[None][feat] Add NIXL-LIBFABRIC support #9225

zackyoray · 2025-11-17T14:33:12Z

Summary by CodeRabbit

Release Notes

New Features
- Added support for LIBFABRIC backend for NIXL cache operations, complementing the existing UCX backend.
- Backend selection now configurable via environment variable with automatic fallback to UCX if not specified.
Tests
- Added unit test coverage for LIBFABRIC backend functionality.
Chores
- Updated NIXL version and Docker infrastructure to support libfabric installation.

Description

Test Coverage

PR Checklist

Please review the following before submitting your PR:

PR description clearly explains what and why. If using CodeRabbit's summary, please make sure it makes sense.
PR Follows TRT-LLM CODING GUIDELINES to the best of your knowledge.
Test cases are provided for new code paths (see test instructions)
Any new dependencies have been scanned for license and vulnerabilities
CODEOWNERS updated if ownership changes
Documentation updated as needed
Update tava architecture diagram if there is a significant design change in PR.
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Please check this after reviewing the above items as appropriate for this PR.

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coderabbitai · 2025-11-17T14:37:59Z

📝 Walkthrough

Walkthrough

The changes add runtime selection of NIXL KV cache backends via environment variables. A new environment variable getter is introduced in envUtils, the transfer agent is updated to dynamically select and validate backends instead of using hardcoded values, Docker build scripts are enhanced to install libfabric, and NIXL is upgraded from 0.5.0 to 0.7.1. A new unit test validates the LIBFABRIC backend path.

Changes

Cohort / File(s)	Summary
Environment utilities API `cpp/tensorrt_llm/common/envUtils.h`, `cpp/tensorrt_llm/common/envUtils.cpp`	Adds `getEnvNixlBackend()` function to lazily initialize and cache the `TRTLLM_NIXL_KVCACHE_BACKEND` environment variable, defaulting to "UCX". Uses `std::once_flag` and `std::call_once` for thread-safe initialization.
Transfer agent runtime configuration `cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp`	Replaces hardcoded backend strings with dynamic selection via the new environment getter. Adds validation against a static set of supported backends and includes the selected backend in error messages.
Test coverage `cpp/tests/unit_tests/executor/transferAgentTest.cpp`	Adds `LibfabricBackendBasic` unit test that verifies LIBFABRIC backend functionality by saving/restoring environment variable, creating transfer agents, and validating memory transfer operations.
Libfabric installation `docker/common/install_libfabric.sh`	New script that builds and installs libfabric v1.21.0 with verbs, TCP, and rxm support to `/opt/libfabric`, updating `LD_LIBRARY_PATH` accordingly.
Docker build configuration `docker/Dockerfile.multi`, `docker/common/install_nixl.sh`	Integrates libfabric installation into Docker multi-stage build. Updates NIXL version from 0.5.0 to 0.7.1 and passes libfabric path to Meson build configuration via new `-Dlibfabric_path` option.

Sequence Diagram(s)

sequenceDiagram
    participant App as Application
    participant TransferAgent as TransferAgent
    participant Env as getEnvNixlBackend()
    participant BackendFactory as Backend Factory
    
    App->>TransferAgent: Initialize
    TransferAgent->>Env: Read TRTLLM_NIXL_KVCACHE_BACKEND
    Env->>Env: Check cache / Initialize static
    Env-->>TransferAgent: Backend name (e.g., "UCX" or "LIBFABRIC")
    TransferAgent->>BackendFactory: Create backend with selected name
    BackendFactory-->>TransferAgent: Backend instance
    TransferAgent-->>App: Ready

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Environment utility functions: Straightforward lazy initialization pattern using standard C++ concurrency primitives; verify thread-safety semantics and default value correctness.
Transfer agent backend selection logic: Review the supported backends set, validation logic, and error messages; ensure backward compatibility with existing UCX-only deployments.
New libfabric backend test: Verify test isolation (environment variable save/restore), memory operations correctness, and test completeness for the new backend path.
Docker build script changes: Confirm libfabric installation prerequisites, build flags, and path propagation to NIXL build; validate NIXL version upgrade compatibility.

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run `@coderabbitai generate docstrings` to improve docstring coverage.
Description check	⚠️ Warning	The PR description is incomplete—it contains only the template with checklist items but lacks the required Description and Test Coverage sections explaining what changes were made and why.	Fill in the Description section explaining the NIXL-LIBFABRIC integration and the Test Coverage section listing the relevant tests (e.g., LibfabricBackendBasic) that validate the changes.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and specifically describes the main change: adding LIBFABRIC support to NIXL, which aligns with the file changes that introduce libfabric installation, backend selection, and testing.

✨ Finishing touches

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Actionable comments posted: 3

📜 Review details

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 24f5cd7 and abb7e7d.

📒 Files selected for processing (7)

cpp/tensorrt_llm/common/envUtils.cpp (1 hunks)
cpp/tensorrt_llm/common/envUtils.h (1 hunks)
cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp (2 hunks)
cpp/tests/unit_tests/executor/transferAgentTest.cpp (1 hunks)
docker/Dockerfile.multi (2 hunks)
docker/common/install_libfabric.sh (1 hunks)
docker/common/install_nixl.sh (2 hunks)

🧰 Additional context used

🧠 Learnings (4)

📚 Learning: 2025-09-23T15:12:38.312Z

Learnt from: nv-lschneider
Repo: NVIDIA/TensorRT-LLM PR: 7910
File: cpp/tensorrt_llm/thop/allreduceOp.cpp:352-446
Timestamp: 2025-09-23T15:12:38.312Z
Learning: In TensorRT-LLM NCCL device implementation, NCCL version 2.28+ requirements are handled at runtime in the nccl_device/config layer rather than with compile-time guards. This allows the allreduceOp to remain version-agnostic and delegates version compatibility validation to the appropriate lower-level components that can gracefully handle unsupported configurations.

Applied to files:

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp

📚 Learning: 2025-09-23T15:01:00.070Z

Learnt from: nv-lschneider
Repo: NVIDIA/TensorRT-LLM PR: 7910
File: cpp/tensorrt_llm/kernels/nccl_device/config.cu:15-17
Timestamp: 2025-09-23T15:01:00.070Z
Learning: In TensorRT-LLM NCCL device kernels, the <sstream> header is not needed as an explicit include in config.cu because it's provided transitively through other headers. Local compilation testing confirms this works without the explicit include.

Applied to files:

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp

📚 Learning: 2025-11-14T11:22:03.729Z

Learnt from: nzmora-nvidia
Repo: NVIDIA/TensorRT-LLM PR: 9163
File: tensorrt_llm/_torch/auto_deploy/custom_ops/quant.py:107-113
Timestamp: 2025-11-14T11:22:03.729Z
Learning: In TensorRT-LLM AutoDeploy custom ops, when adding hardware capability checks to select between kernel implementations (e.g., cuBLAS vs. CUDA kernel), use descriptive variable names that identify the specific GPU architectures or families being targeted (e.g., `is_blackwell_geforce_or_ada`) rather than generic names like `enable_cuda_core`. This makes it clear that the code is selecting an implementation path based on hardware capabilities, not enabling/disabling hardware features.

Applied to files:

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp

📚 Learning: 2025-08-20T15:04:42.885Z

Learnt from: dbari
Repo: NVIDIA/TensorRT-LLM PR: 7095
File: docker/Dockerfile.multi:168-168
Timestamp: 2025-08-20T15:04:42.885Z
Learning: In docker/Dockerfile.multi, wildcard COPY for benchmarks (${CPP_BUILD_DIR}/benchmarks/*Benchmark) is intentionally used instead of directory copy because the benchmarks directory contains various other build artifacts during C++ builds, and only specific benchmark executables should be copied to the final image.

Applied to files:

docker/Dockerfile.multi

🧬 Code graph analysis (2)

cpp/tensorrt_llm/common/envUtils.h (1)

cpp/tensorrt_llm/common/envUtils.cpp (2)

getEnvNixlBackend (321-341)

getEnvNixlBackend (321-321)

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp (1)

cpp/tensorrt_llm/common/envUtils.cpp (2)

getEnvNixlBackend (321-341)

getEnvNixlBackend (321-321)

🪛 Shellcheck (0.11.0)

docker/common/install_libfabric.sh

[warning] 22-22: Quote this to prevent word splitting.

(SC2046)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

GitHub Check: Pre-commit Check

🔇 Additional comments (7)

docker/Dockerfile.multi (1)

44-44: LGTM! Proper integration of libfabric installation.

The libfabric installation script is correctly added to the COPY list and executed in the appropriate sequence (after UCX, before NIXL), which aligns with the dependency chain.

Also applies to: 84-86

cpp/tensorrt_llm/common/envUtils.h (1)

91-92: LGTM! Function declaration follows established patterns.

The new getEnvNixlBackend() function is properly placed and consistent with other environment accessors in this header.

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp (1)

31-31: LGTM! Required header for backend validation.

The <set> header is correctly added to support the kSUPPORTED_BACKENDS lookup.

cpp/tensorrt_llm/common/envUtils.cpp (1)

321-341: LGTM! Implementation follows established patterns.

The getEnvNixlBackend() function correctly implements thread-safe lazy initialization with std::call_once, consistent with other environment getters in this file. The default value of "UCX" ensures backward compatibility when the environment variable is not set.

docker/common/install_libfabric.sh (1)

1-27: LGTM! Libfabric installation script is well-structured.

The script properly installs dependencies, builds libfabric v1.21.0 with the necessary providers (verbs, tcp, rxm), and cleans up afterward. The LD_LIBRARY_PATH update ensures the library is discoverable at runtime.

docker/common/install_nixl.sh (2)

7-7: LGTM! Libfabric path correctly propagated to NIXL build.

The LIBFABRIC_INSTALL_PATH variable is properly defined and passed to Meson via -Dlibfabric_path, enabling NIXL to link against the newly installed libfabric library. This aligns with the installation performed by install_libfabric.sh.

Also applies to: 42-42

8-8: NIXL version 0.7.1 compatibility verified—no action needed.

NIXL 0.7.1 is a maintenance and polish release focused on Libfabric stability improvements, and the codebase is already fully compatible. The codebase includes:

Multiple Libfabric fixes (offsets, asymmetrical rails, metadata/partial multi-load transfers), which are supported by the existing backend selection logic (kSUPPORTED_BACKENDS = {"UCX", "LIBFABRIC"})

Dedicated tests for the Libfabric backend (LibfabricBackendBasic test)

Proper handling of the async Device API change where postXferReq returns NIXL_IN_PROG

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp

cpp/tests/unit_tests/executor/transferAgentTest.cpp

docker/common/install_libfabric.sh

Shixiaowei02 · 2025-11-18T09:59:58Z

I have no issues with the code modifications, but as mentioned above, we need to confirm the legal compliance of the third-party library.

cpp/tensorrt_llm/executor/cache_transmission/nixl_utils/transferAgent.cpp

zackyoray · 2025-11-20T09:28:06Z

/bot run --stage-list "Build-Docker-Images"

tensorrt-cicd · 2025-11-20T09:34:09Z

PR_Github #25185 [ run ] triggered by Bot. Commit: cef73bf

zackyoray · 2025-11-20T09:58:21Z

/bot run --stage-list "Build-Docker-Images"

tensorrt-cicd · 2025-11-20T10:04:17Z

PR_Github #25189 [ run ] triggered by Bot. Commit: b49d5ef

tensorrt-cicd · 2025-11-20T10:04:18Z

PR_Github #25185 [ run ] completed with state ABORTED. Commit: cef73bf
LLM/main/L0_MergeRequest_PR #19042 (Blue Ocean) completed with status: ABORTED

zackyoray · 2025-11-20T13:51:47Z

/bot run --stage-list "Build-Docker-Images"

tensorrt-cicd · 2025-11-20T13:57:27Z

PR_Github #25209 [ run ] triggered by Bot. Commit: aa2fe9a

tensorrt-cicd · 2025-11-20T13:57:28Z

PR_Github #25189 [ run ] completed with state ABORTED. Commit: b49d5ef
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tensorrt-cicd · 2025-12-02T08:05:38Z

PR_Github #26565 [ run ] triggered by Bot. Commit: 013b0c5

tensorrt-cicd · 2025-12-02T08:05:41Z

PR_Github #26503 [ run ] completed with state ABORTED. Commit: cca75fa
LLM/main/L0_MergeRequest_PR #20152 (Blue Ocean) completed with status: ABORTED

docker/common/install_nixl.sh

Shixiaowei02 · 2025-12-03T01:21:21Z

/bot run --stage-list "Build-Docker-Images"

tensorrt-cicd · 2025-12-03T01:26:58Z

PR_Github #26677 [ run ] triggered by Bot. Commit: 6945daa

tensorrt-cicd · 2025-12-03T01:27:00Z

PR_Github #26565 [ run ] completed with state ABORTED. Commit: 013b0c5
/LLM/main/L0_MergeRequest_PR pipeline #20204 completed with status: 'FAILURE'

bo-nv · 2025-12-03T01:30:23Z

/bot run --add-multi-gpu-test --disable-fail-fast

tensorrt-cicd · 2025-12-03T01:35:59Z

PR_Github #26678 [ run ] triggered by Bot. Commit: 6945daa

tensorrt-cicd · 2025-12-03T01:36:01Z

PR_Github #26677 [ run ] completed with state ABORTED. Commit: 6945daa

tensorrt-cicd · 2025-12-03T07:58:53Z

PR_Github #26678 [ run ] completed with state SUCCESS. Commit: 6945daa
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bo-nv · 2025-12-03T08:40:00Z

/bot run --add-multi-gpu-test --disable-fail-fast

tensorrt-cicd · 2025-12-03T08:46:03Z

PR_Github #26752 [ run ] triggered by Bot. Commit: 013b0c5

tensorrt-cicd · 2025-12-03T13:34:17Z

PR_Github #26752 [ run ] completed with state FAILURE. Commit: 013b0c5
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chzblych · 2025-12-03T14:21:21Z

/bot run --add-multi-gpu-test --disable-fail-fast

tensorrt-cicd · 2025-12-03T14:27:04Z

PR_Github #26793 [ run ] triggered by Bot. Commit: 013b0c5

tensorrt-cicd · 2025-12-03T23:13:09Z

PR_Github #26793 [ run ] completed with state SUCCESS. Commit: 013b0c5
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Signed-off-by: Yoray Zack <[email protected]>

bo-nv · 2025-12-04T06:48:35Z

/bot skip --comment "Just re-tag images, failed cases in https://nv/trt-llm-cicd/job/helpers/job/PR_Github/26793/ is not related to the PR"

tensorrt-cicd · 2025-12-04T06:57:19Z

PR_Github #26901 [ skip ] triggered by Bot. Commit: a856485

tensorrt-cicd · 2025-12-04T07:36:00Z

PR_Github #26901 [ skip ] completed with state SUCCESS. Commit: a856485
Skipping testing for commit a856485

…VIDIA#8779) The performance results of some kernels could be easily affected by the warm/cold L2 cache status. To achieve more precise profiling results, the L2 cache is cleared for every execution by the circular buffer method for better benchmarking during autotuning. Signed-off-by: Yukun He <[email protected]> [None][infra] Waive failed cases for main branch on 11/25 (NVIDIA#9429) Signed-off-by: qqiao <[email protected]> [NVIDIA#8391][chore] test_perf.py to lock clocks read from gpu_configs.yml instead of max freq (NVIDIA#9409) Signed-off-by: Eran Geva <[email protected]> [None][ci] Move more test stages to use OCI machines (NVIDIA#9395) Signed-off-by: Yanchao Lu <[email protected]> Co-authored-by: Matt Lefebvre <[email protected]> [None][feat] Improve TRTLLM MoE in small hidden size throughput cases (NVIDIA#9377) Signed-off-by: Anthony Chang <[email protected]> [https://nvbugs/5537996][fix] Let KV cache manager block initialization be aware whether it is doing a dry run or not (NVIDIA#9093) Before this commit, the kv cache manager does the same regardless, which causes a mis-calculation in free memory available to allocate for the KV cache manager, hence causing a crash. This commit fixes this by letting KV cache manager initialization be aware whether it is doing the dry run or not. If it is a dry run, use the max_tokens setting that is already pre-calculated and filled into kv_cache_config.max_tokens. Signed-off-by: eopXD <[email protected]> [https://nvbugs/5667922][fix] Update long context evaluation config (NVIDIA#9426) Signed-off-by: mni <[email protected]> [None][fix] Mitigate test timeout issues (NVIDIA#9445) Signed-off-by: Shixiaowei02 <[email protected]> [None][chore] Fix trtllm-eval for PyTorchLLM (NVIDIA#9427) Signed-off-by: Fanrong Li <[email protected]> [None][feat] Add a parser to layer-wise benchmarks (NVIDIA#9440) Signed-off-by: Tailing Yuan <[email protected]> [None][feat] Support custom chat template for tool calling (NVIDIA#9297) Signed-off-by: Pengyun Lin <[email protected]> [TRTLLM-8160][feat] Add draft token tree runtime on CDL (NVIDIA#8586) Signed-off-by: Yue Weng <[email protected]> [None][ci] waive a test (NVIDIA#9458) Signed-off-by: Yan Chunwei <[email protected]> [https://nvbugs/5680905][fix] Relax the MMLU accuracy requirement for DS-v3.2 (NVIDIA#9439) Signed-off-by: Fanrong Li <[email protected]> [TRTLLM-8376][feat] top-p optimization (removes redundant softmax) (NVIDIA#9411) Signed-off-by: ixlmar <[email protected]> [TRTLLM-9490][feat] use FlashInfer's top_k_sampling_from_probs (NVIDIA#9457) Signed-off-by: ixlmar <[email protected]> [https://nvbugs/5647400] [fix] Enlarged the AllReduce workspace size to 64MB. Added AllReduce strategy to AD config. (NVIDIA#9145) Signed-off-by: Eran Geva <[email protected]> [TRTLLM-909][feat] Overlap context chunks in pipeline parallel mode (NVIDIA#9308) Signed-off-by: Robin Kobus <[email protected]> [None][chore] AutoDeploy add multi stream moe pass to default.yaml (NVIDIA#9430) Signed-off-by: Suyog Gupta <[email protected]> [https://nvbugs/5685143][fix] avoid cudaFree overlap with cuda graph (NVIDIA#9438) Signed-off-by: Chuang Zhu <[email protected]> [None][chore] Bump version to 1.2.0rc5 (NVIDIA#9455) Signed-off-by: Yiqing Yan <[email protected]> [TRTLLM-8936][test] Add disagg and wideep multi-node multi-gpu test cases (NVIDIA#9356) Signed-off-by: FredricZ-2007 <[email protected]> [None][ci] move some slow test cases of DGX-B200 to post merge (NVIDIA#9467) Signed-off-by: junq <[email protected]> [TRTLLM-9293][feat] Enable partial weight loading to support streaming update weights (NVIDIA#9224) Signed-off-by: shuyix <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [TRTLLM-9264][fix] Add accuracy/unit tests/doc for phi4mm (NVIDIA#9246) Signed-off-by: Wanli Jiang <[email protected]> [https://nvbugs/5580099][fix] Cherry pick IMA issue fix from release/1.1 (NVIDIA#9032) Signed-off-by: Junyi Xu <[email protected]> [None][chore] Upgrade CuteDSL to 4.3.0 (NVIDIA#9444) Signed-off-by: Enwei Zhu <[email protected]> [None][feat] Support MLA chunked prefill for DeepSeek V3.2 model (NVIDIA#9376) Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> [None][feat] Add environment variable to force spec-dec number of accepted tokens (NVIDIA#9371) Signed-off-by: Aurelien Chartier <[email protected]> [None][infra] Update allowed list 2025.11.25 (NVIDIA#9468) Signed-off-by: Yuanjing Xue <[email protected]> [None][infra] Fail the pipeline when slurm ssh dropped (NVIDIA#9157) Signed-off-by: Yuanjing Xue <[email protected]> [None][feat] AutoDeploy: Remove redundant copies in mamba layers (NVIDIA#9461) Signed-off-by: Chenghao Zhang <[email protected]> Co-authored-by: Suyog Gupta <[email protected]> [None][feat] AutoDeploy: Add A_log fusion for Mamba layers (NVIDIA#9422) Signed-off-by: Chenghao Zhang <[email protected]> [None][ci] Waive blackwell test on spec gate. (NVIDIA#9502) Signed-off-by: Zheyu Fu <[email protected]> [https://nvbugs/5608930][fix] Fix a typo (NVIDIA#9487) Signed-off-by: Shixiaowei02 <[email protected]> [NVIDIA#9463][feat] Add revision option to trtllm commands (NVIDIA#9498) Signed-off-by: Aurelien Chartier <[email protected]> [TRTLLM-9085][doc] fix math formula rendering issues (NVIDIA#9481) Signed-off-by: junq <[email protected]> [None][chore] update comments in llm_args.py (NVIDIA#9472) Signed-off-by: junq <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [https://nvbugs/5680310][fix] Fix ctx only timed out test (NVIDIA#9410) Signed-off-by: Patrice Castonguay <[email protected]> [https://nvbugs/5547414][fix] enable case after using local cache model (NVIDIA#9473) Signed-off-by: Hui Gao <[email protected]> [None][fix] Replace PYTORCH_CUDA_ALLOC_CONF with PYTORCH_ALLOC_CONF to fix deprecation warning (NVIDIA#9294) Signed-off-by: Jiagan Cheng <[email protected]> [https://nvbugs/5698581][fix] Init draft tokens for CUDA graph dummy request (NVIDIA#9505) Signed-off-by: ziyixiong-nv <[email protected]> [None][infra] Waive failed case in pre-merge on 11/27 (NVIDIA#9507) Signed-off-by: qqiao <[email protected]> [TRTLLM-9513][docs] Qwen3 deployment guide (NVIDIA#9488) Signed-off-by: Lanyu Liao <[email protected]> Co-authored-by: Lanyu Liao <[email protected]> [None][chore] revert batch_size=1 to prevent timeout and lower accuracy reference by 0.12% as a WAR (NVIDIA#9447) Signed-off-by: Lizhi Zhou <[email protected]> Co-authored-by: Shi Xiaowei <[email protected]> [TRTLLM-9279][infra] Use flexcache for gh200 nodes since they locate in Austin (NVIDIA#9405) Signed-off-by: qqiao <[email protected]> Signed-off-by: Emma Qiao <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> [cherry-pick][https://nvbugs/5670793][fix] Solve trtllm-serve launch_disaggregated issue (NVIDIA#9346) Signed-off-by: xxi <[email protected]> [None][infra] Fix Slurm job script (NVIDIA#9508) Signed-off-by: Yuanjing Xue <[email protected]> [None][fix] change allreduce workspace dtype to torch.int64 to avoid overflow (NVIDIA#9479) Signed-off-by: Zhenhuan Chen <[email protected]> [None][feat] add qwen3-next CI test of accuracy on BF16 and NVFP4 (NVIDIA#9330) Signed-off-by: jiant <[email protected]> [None][fix] fix TP support for DeepSeek-V3.2 on hopper (NVIDIA#9484) Signed-off-by: Fanrong Li <[email protected]> [TRTLLM-9389][chore] Refactor AlltoallMethodType. (NVIDIA#9388) Signed-off-by: Bo Li <[email protected]> [https://nvbugs/5674665][chore] Add test coverage for https://nvbugspro.nvidia.com/bug/5674665 (NVIDIA#9518) Signed-off-by: eopXD <[email protected]> [TRTLLM-7288][infra] Download merged waive list in slurm script (NVIDIA#8999) Signed-off-by: Yiqing Yan <[email protected]> Signed-off-by: Yanchao Lu <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> [https://nvbugs/5687820][fix] Remove self.abort() in DetokenizedGenerationResult (NVIDIA#9449) Signed-off-by: Enwei Zhu <[email protected]> [NVIDIA#9150][feat] AutoDeploy Nemotron-Flash support (NVIDIA#9504) Signed-off-by: Lucas Liebenwein <[email protected]> [None] [chore] Update to cutlass 4.3 (NVIDIA#8637) Signed-off-by: Kaiyu Xie <[email protected]> [https://nvbugs/5637037][chore] Update waive lists. (NVIDIA#9386) Signed-off-by: Bo Li <[email protected]> Signed-off-by: Enwei Zhu <[email protected]> Co-authored-by: Enwei Zhu <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [TRTLLM-8970][infra] Fix generate report when has isolation test result (NVIDIA#8861) Signed-off-by: qqiao <[email protected]> Signed-off-by: Emma Qiao <[email protected]> [https://nvbugs/5685015][fix] Update invalid max_token test (NVIDIA#9435) Signed-off-by: Junyi Xu <[email protected]> [None][fix] Fix on-disk cache and revise logger/statistics for AutoTuner. (NVIDIA#9211) Signed-off-by: Yukun He <[email protected]> [https://nvbugs/5689658][test] Fix gpu lock issue running on cluster (NVIDIA#9441) Signed-off-by: yufeiwu <[email protected]> [None][chore] add spec_decoding configs in perf benchmark scripts and fix typos (NVIDIA#9533) Signed-off-by: Lanyu Liao <[email protected]> Co-authored-by: Lanyu Liao <[email protected]> [None][fix] Remove FP8 K/V buffer from TRTLLM sparse MLA attention kernel (NVIDIA#9529) Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> [None] [chore] Enhancements and clean up to slurm scripts (NVIDIA#9493) Signed-off-by: Kaiyu Xie <[email protected]> [None][chore] Revert "[None][fix] change allreduce workspace dtype to torch.int64 t… (NVIDIA#9538) Signed-off-by: Zhenhuan Chen <[email protected]> [None][infra] Waive failed cases for main branch on 11/28 (NVIDIA#9539) Signed-off-by: qqiao <[email protected]> [None][fix] Pass checkpoint_format to create_input_processor (NVIDIA#9521) Signed-off-by: Robin Kobus <[email protected]> [TRTLLM-9541][infra] Use artifactory mirror for download.pytorch.org (NVIDIA#9477) Signed-off-by: ZhanruiSunCh <[email protected]> Signed-off-by: Zhanrui Sun <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> [TRTLLM-9488][feat] add 'disable_flashinfer_sampling' config option (NVIDIA#9454) Signed-off-by: ixlmar <[email protected]> [None][infra] Waive failed case in pre-merge on 11/28 (NVIDIA#9537) Signed-off-by: Wangshanshan <[email protected]> [None][perf] Helix: improve all-to-all perf for large CP size (NVIDIA#9494) Signed-off-by: Matthias Jouanneaux <[email protected]> Signed-off-by: Zheyu Fu <[email protected]> Co-authored-by: Zheyu Fu <[email protected]> [None][feat] support for more accurate AR calculation (NVIDIA#9323) Signed-off-by: binghanc <[email protected]> [TRTLLM-9488][fix] llmapi references (NVIDIA#9547) Signed-off-by: ixlmar <[email protected]> [NVIDIA#8948][feat] Support custom sharding config (NVIDIA#9143) Signed-off-by: greg-kwasniewski1 <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None][chore] Weekly mass integration of release/1.1 -- rebase (NVIDIA#9522) Signed-off-by: yunruis <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Wangshanshan <[email protected]> Signed-off-by: qgai <[email protected]> Signed-off-by: Balaram Buddharaju <[email protected]> Signed-off-by: Yan Chunwei <[email protected]> Signed-off-by: Junyi Xu <[email protected]> Signed-off-by: Simeng Liu <[email protected]> Signed-off-by: nv-guomingz <[email protected]> Signed-off-by: Jin Li <[email protected]> Signed-off-by: Ivy Zhang <[email protected]> Signed-off-by: Vincent Zhang <[email protected]> Signed-off-by: peaceh <[email protected]> Signed-off-by: Michal Guzek <[email protected]> Signed-off-by: Michal Guzek <[email protected]> Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> Signed-off-by: leslie-fang25 <[email protected]> Signed-off-by: Shunkang <[email protected]> Signed-off-by: junq <[email protected]> Co-authored-by: yunruis <[email protected]> Co-authored-by: sunnyqgg <[email protected]> Co-authored-by: brb-nv <[email protected]> Co-authored-by: Yan Chunwei <[email protected]> Co-authored-by: JunyiXu-nv <[email protected]> Co-authored-by: Simeng Liu <[email protected]> Co-authored-by: Guoming Zhang <[email protected]> Co-authored-by: Jin Li <[email protected]> Co-authored-by: Ivy Zhang <[email protected]> Co-authored-by: Vincent Zhang <[email protected]> Co-authored-by: peaceh-nv <[email protected]> Co-authored-by: Michal Guzek <[email protected]> Co-authored-by: Chang Liu <[email protected]> Co-authored-by: Leslie Fang <[email protected]> Co-authored-by: Shunkangz <[email protected]> Co-authored-by: Shunkang <[email protected]> Co-authored-by: QI JUN <[email protected]> [TRTLLM-5971][feat] Integrate helix parallelism (NVIDIA#9342) Signed-off-by: Balaram Buddharaju <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None][infra] - Request idle time exemption for OCI jobs (NVIDIA#9528) Signed-off-by: Yanchao Lu <[email protected]> [None][infra] Wiave failed tests for main branch on 11/30 (NVIDIA#9555) Signed-off-by: qqiao <[email protected]> [None][fix] Fix port conflict in disagg tests (NVIDIA#9474) Signed-off-by: Junyi Xu <[email protected]> [None][ci] Split H100_PCIe-PyTorch-Post-Merge test stage (NVIDIA#9558) Signed-off-by: Yanchao Lu <[email protected]> [None][ci] Split H100_PCIe-PyTorch-Post-Merge test stage (NVIDIA#9559) Signed-off-by: Yanchao Lu <[email protected]> [TRTLLM-8958][feat] and [TRTLLM-8960]: create ConfigurableMoE and support TRTLLMGenFusedMoE as backend (NVIDIA#9486) [None] [feat] Optimize the algorithm part of RocketKV (NVIDIA#9333) Signed-off-by: yuhangh <[email protected]> [https://nvbugs/5690172][fix] Fix Qwen3-235B ATP accuracy issue with PDL (NVIDIA#9530) Signed-off-by: Enwei Zhu <[email protected]> [TRTLLM-6222][feat] Extend cute_dsl_nvfp4_gemm to sm103. (NVIDIA#9543) Signed-off-by: Mindy Li <[email protected]> [None][fix] Correct virtual memory allocation alignment (NVIDIA#9491) Signed-off-by: Yuan Tong <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [https://nvbugs/5684703][fix] Unwaive disagg guided decoding test (NVIDIA#9466) Signed-off-by: Enwei Zhu <[email protected]> [https://nvbugs/5503479][fix] Temporarily lower reference accuracy to stabilize CI (NVIDIA#9398) Signed-off-by: Pengbo Wang <[email protected]> [None][chore] remove qwen3-next accuracy tests (NVIDIA#9534) Signed-off-by: jiant <[email protected]> [None][doc] fix mtp.py typo (NVIDIA#9307) Signed-off-by: liugaoji <[email protected]> [None][feat] add chat template kwargs support to longbench-v2 (NVIDIA#9544) Signed-off-by: Fanrong Li <[email protected]> [NVIDIA#9496][fix] AutoDeploy: remove auto-tuner from nvfp4_gemm forward (NVIDIA#9497) Signed-off-by: Neta Zmora <[email protected]> [None][fix] Replace hash method with unique_id for cutedsl MoE runners. (NVIDIA#9569) Signed-off-by: Yukun He <[email protected]> [None][chore] refactor disaggregated scripts to use named arguments (NVIDIA#9581) Signed-off-by: Zhenhuan Chen <[email protected]> [TRTLLM-6222][feat] Several perf opt for cuteDSL nvf4 gemm (NVIDIA#9428) Signed-off-by: Yuhan Li <[email protected]> [None][chore] reduce the layers of the `devel` docker image (NVIDIA#9077) Signed-off-by: Martin Marciniszyn Mehringer <[email protected]> [https://nvbugs/5651854][infra] Enable perf metrics during accuracy testing (NVIDIA#9140) [None][fix] Skip Allreduce init for Attention DP (NVIDIA#9542) Signed-off-by: Enwei Zhu <[email protected]> [None][test] [None][test] Waive main branch test failures 12/1 (NVIDIA#9566) Signed-off-by: Yanchao Lu <[email protected]> [None][ci] Minor change for Slurm scripts (NVIDIA#9561) Signed-off-by: Yanchao Lu <[email protected]> [TRTLLM-6768][infra] Fix params for not updating github status (NVIDIA#6747) Signed-off-by: Yiqing Yan <[email protected]> [None][infra] Update the pytest options after MI (NVIDIA#9579) Signed-off-by: qqiao <[email protected]> [TRTLLM-6756][feat] Add Beam Search to TorchSampler (NVIDIA#8509) Signed-off-by: Stefan Niebler <[email protected]> [None][chore] Defer exposing context parallel configs (NVIDIA#9552) Signed-off-by: Balaram Buddharaju <[email protected]> [TRTC-1943][feat] Env vars override support in LLM API (NVIDIA#9104) Signed-off-by: Venky Ganesh <[email protected]> [None][feat] AutoDeploy: Use the router gemm op for nemotron MOE (NVIDIA#9500) Signed-off-by: Chenghao Zhang <[email protected]> [NVIDIA#9198][feat] Refactor dist ops in AutoDeploy (NVIDIA#9301) Signed-off-by: Eran Geva <[email protected]> [None][fix] Prevent YAML partial kv_cache_config from incorrectly overriding the complete kv_cache_config (NVIDIA#9262) Signed-off-by: Yuening Li <[email protected]> [TRTLLM-9085][doc] fix math formula rendering issues in github (NVIDIA#9605) Signed-off-by: junq <[email protected]> [None][feat] Unify nvfp4 gemm backend (NVIDIA#8963) Signed-off-by: Shijie Wang <[email protected]> Signed-off-by: Yukun He <[email protected]> Signed-off-by: Shijie <[email protected]> Co-authored-by: Yukun He <[email protected]> [None][feat] Add support for KVCache reuse for DSv32 (NVIDIA#9383) Signed-off-by: Iman Tabrizian <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None][chroe] Polish qwen3-next modeling code. (NVIDIA#8902) Signed-off-by: nv-guomingz <[email protected]> [https://nvbugs/5703953][fix] Use random port for disagg tests (NVIDIA#9582) Signed-off-by: Junyi Xu <[email protected]> [None][fix] Waive gb200 (NVIDIA#9580) Signed-off-by: Xin He (SW-GPU) <[email protected]> [FMDL-1328][feat] Add support for nano-v3 and super-v3 with pytorch backend (NVIDIA#9261) Signed-off-by: Wanli Jiang <[email protected]> [https://nvbugs/5582091][test] increase warmup times in testing for multi-gpu cases (NVIDIA#9578) Signed-off-by: Ruodi Lu <[email protected]> Co-authored-by: Ruodi Lu <[email protected]> [None][chore] Add failed cases into waives.txt (NVIDIA#9588) Signed-off-by: xinhe-nv <[email protected]> [https://nvbugs/5702793][fix] Fix uncontiguous tensor view (NVIDIA#9576) Signed-off-by: shuyix <[email protected]> [None][infra] Waive failed cases for main branch (NVIDIA#9615) Signed-off-by: qqiao <[email protected]> [TRTLLM-9488][feat] use FlashInfer.sampling by default (NVIDIA#9545) Signed-off-by: ixlmar <[email protected]> [None][infra] Update allowlist 2025/12/01 (NVIDIA#9616) Signed-off-by: Yuanjing Xue <[email protected]> [None][infra] Remove an invalid test name in waives.txt (NVIDIA#9620) Signed-off-by: qqiao <[email protected]> Lock the gpu clocks in L0 perf tests (NVIDIA#9585) Signed-off-by: Eran Geva <[email protected]> [TRTLLM-9466][test] Evaluate helix parallelism with DSV3 Lite (NVIDIA#9597) Signed-off-by: Balaram Buddharaju <[email protected]> [None][fix] Extract GPU count from single-node stage names (NVIDIA#9599) Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> [https://nvbugs/5667774][fix] Refine Piecewise Cuda Graph Condition for DP (NVIDIA#9393) Signed-off-by: Jin Li <[email protected]> [TRTLLM-9144][fix] enhance RPC robustness (NVIDIA#8711) Signed-off-by: Superjomn <[email protected]> Signed-off-by: Erin Ho <[email protected]> Signed-off-by: Yan Chunwei <[email protected]> Co-authored-by: Erin Ho <[email protected]> [https://nvbugs/5627710][fix] Fix synchronization bugs in KvCacheTransferManager that can cause corrupted blocks (NVIDIA#9056) Signed-off-by: thorjohnsen <[email protected]> Signed-off-by: Thor Johnsen <[email protected]> Co-authored-by: Iman Tabrizian <[email protected]> Co-authored-by: Robin Kobus <[email protected]> [TRTLLM-8980][test] Clean up spec dec tests in test_llm_api_pytorch (NVIDIA#8889) Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [NVIDIA#9150][feat] Add code for nano v3 to custom implementation in AD (NVIDIA#9465) * Why? We would like to show an alternative to monkey-patching in AutoDeploy. * What? This commit builds on the existing custom model implementation for NemotronH and adds the bits relevant for MoE layers. Part of NVIDIA#9150. Signed-off-by: William Zhang <[email protected]> [NVIDIA#9150][feat] AutoDeploy: reviewer comments for NVIDIA#9150 (NVIDIA#9527) Signed-off-by: Lucas Liebenwein <[email protected]> [https://nvbugs/5651854][fix] Fix dist-serving perf by clearing CPU affinity (NVIDIA#9549) Signed-off-by: Shixiaowei02 <[email protected]> [NVIDIA#9550][feat] AutoDeploy: Add NVFP4 Cutlass MoE kernels (NVIDIA#9551) Signed-off-by: Neta Zmora <[email protected]> [https://nvbugs/5688388][fix] fix: Reducing num request in disagg test to speed up (NVIDIA#9598) Signed-off-by: Patrice Castonguay <[email protected]> [TRTLLM-8946][feat] Improved heuristics to detect shardable regions (NVIDIA#9200) Signed-off-by: Lucas Liebenwein <[email protected]> Signed-off-by: greg-kwasniewski1 <[email protected]> Co-authored-by: Lucas Liebenwein <[email protected]> [NVIDIA#9632][feat] Support EXTRA_WHEEL_BUILD_ARGS during wheel build (NVIDIA#9633) Signed-off-by: Yu Chi Li <[email protected]> [None][chore] Waive test failing on pre-merge (NVIDIA#9638) Signed-off-by: Balaram Buddharaju <[email protected]> [None][chore] Remove traceback dump for multimodal input processor (NVIDIA#9634) Signed-off-by: Chang Liu (Enterprise Products) <[email protected]> [None][chore] Fix trtllm-eval and move GroupedGemmInputsHelper (NVIDIA#9612) Signed-off-by: Enwei Zhu <[email protected]> [https://nvbugs/5698434][fix] Use separate weight mapper for draft (NVIDIA#9607) Signed-off-by: Anurag Mukkara <[email protected]> [TRTLLM-7101][infra] Reuse passed tests (NVIDIA#6894) Signed-off-by: Yiqing Yan <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> [None][test] Remove duplicate test cases (NVIDIA#9623) Signed-off-by: yufeiwu <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None][feat] Add RocketKV usage doc and e2e accuracy test on LongBenchV2 (NVIDIA#9572) Signed-off-by: yuhangh <[email protected]> [TRTLLM-9242][doc] Add examples showcasing openai compatible APIs (NVIDIA#9520) Signed-off-by: Junyi Xu <[email protected]> [None][chore] AutoDeploy update cuda stream manager for multi-device (NVIDIA#9575) Signed-off-by: Suyog Gupta <[email protected]> [TRTLLM-9391][chore] Automatically estimate required workspace. (NVIDIA#9535) Signed-off-by: Bo Li <[email protected]> [https://nvbugs/5708475][fix] Fix e2e eval accuracy for helix parallelism (NVIDIA#9647) Signed-off-by: Balaram Buddharaju <[email protected]> [https://nvbugs/5561153][test] Fix log error for perf test (NVIDIA#9622) Signed-off-by: FredricZ-2007 <[email protected]> [TRTLLM-8241][feat] Aliasing to comply to LlmArgs (NVIDIA#9586) Signed-off-by: Pengyun Lin <[email protected]> [None][chore] Add failed cases into waives.txt (NVIDIA#9593) Signed-off-by: Jie Li <[email protected]> Co-authored-by: Jie Li <[email protected]> [TRTLLM-6842][feat] Support Response API for general purpose (NVIDIA#9392) Signed-off-by: Junyi Xu <[email protected]> [None][test] Update Qwen3-next accuracy testing by setting the cuda … (NVIDIA#9613) Signed-off-by: nv-guomingz <[email protected]> [None][feat] update trtllm-gen nvfp4 kernels with better performance (NVIDIA#9510) Signed-off-by: Perkz Zheng <[email protected]> [None][doc] Replace the tensorrt icon with torch icon on overview.md (NVIDIA#9644) Signed-off-by: nv-guomingz <[email protected]> [https://nvbugs/5705197][chore] Unwaive timeout disagg tests (NVIDIA#9637) Signed-off-by: Patrice Castonguay <[email protected]> [https://nvbugs/5552132][fix] Enable LoRa for GPT OSS Torch (NVIDIA#8253) Signed-off-by: Michal Guzek <[email protected]> [None][fix] Fix wide ep MoE error (NVIDIA#9642) Signed-off-by: Iman Tabrizian <[email protected]> [https://nvbugs/5702795][fix] Remove the warning message for aten.log. (NVIDIA#9665) Signed-off-by: nv-guomingz <[email protected]> [https://nvbugs/5693853][fix] Fix error handling when querying machin… (NVIDIA#9483) Signed-off-by: Gal Hubara Agam <[email protected]> [OMNIML-2932] [feat] nvfp4 awq support (NVIDIA#8698) Signed-off-by: weimingc <[email protected]> [NVIDIA#9643][fix] AutoDeploy: fix nano sharding config (NVIDIA#9668) Signed-off-by: Lucas Liebenwein <[email protected]> [NVIDIA#9147][feat] AutoDeploy: Draft Target Speculative Decoding (NVIDIA#9275) Signed-off-by: Govind Ramnarayan <[email protected]> [None][feat] Update Qwen3CodeToolParser to align tool-calling parameters (NVIDIA#9540) Signed-off-by: Wanli Jiang <[email protected]> [TRTLLM-7181][infra] Generate test results when pytest timeout happens (NVIDIA#9396) Signed-off-by: Yiqing Yan <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [TRTLLM-9522][fix] restore `trtllm-serve mm_embedding_serve` (NVIDIA#9669) [TRTLLM-5093][infra] Write env variables to a file in the interactive debug session (NVIDIA#6792) Signed-off-by: Yiqing Yan <[email protected]> [None][fix] fix error when processing batches containing both text and mm data (NVIDIA#8381) Signed-off-by: Nekofish-L <[email protected]> [TRTLLM-7073][feat] Support torch compile for PP for Llama and DeepSeekV3 (NVIDIA#7838) Signed-off-by: Jin Li <[email protected]> [None][feat] Add weights initialization and context phase parser to layer-wise benchmarks (NVIDIA#9667) Signed-off-by: Tailing Yuan <[email protected]> [TRTLLM-8274][feat] Check if executor is shutdown in /health entrypoint (NVIDIA#9057) Signed-off-by: Junyi Xu <[email protected]> [NVIDIA#8733][feat] Add Llama4 MoE handling to AutoDeploy (NVIDIA#9556) Signed-off-by: Tal Cherckez <[email protected]> Signed-off-by: tcherckez-nvidia <[email protected]> Co-authored-by: Neta Zmora <[email protected]> [None][ci] unwaive tests (NVIDIA#9651) Signed-off-by: Yan Chunwei <[email protected]> [None][feat] Add NIXL-LIBFABRIC support (NVIDIA#9225) Signed-off-by: Yoray Zack <[email protected]> Signed-off-by: zackyoray <[email protected]> [None][test] rename wide ep and disagg metric name in perf test (NVIDIA#9704) Signed-off-by: Ruodi Lu <[email protected]> Co-authored-by: Ruodi Lu <[email protected]> [https://nvbugs/5467531][fix] Unwaive fused_moe all to all test with … (NVIDIA#9617) Signed-off-by: Jin Li <[email protected]> [None][fix] Recover TRTLLM MoE Perf for DEP (NVIDIA#9562) Signed-off-by: Anthony Chang <[email protected]> [None][chore] Add failed cases into waives.txt (NVIDIA#9662) Signed-off-by: Xin He (SW-GPU) <[email protected]> Signed-off-by: xinhe-nv <[email protected]> Signed-off-by: Yanchao Lu <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> [None][fix] Fix TLLM_SPEC_DECODE_FORCE_NUM_ACCEPTED_TOKENS for MTP/EAGLE (NVIDIA#9608) Signed-off-by: Aurelien Chartier <[email protected]> [None][infra] Add container notices and documentation (NVIDIA#9185) Signed-off-by: Parker Drake <[email protected]> [TRTLLM-5312][infra] Add triton trigger rules (NVIDIA#6440) Signed-off-by: Yiqing Yan <[email protected]> [None][doc] Add feature docs for helix parallelism (NVIDIA#9684) Signed-off-by: Balaram Buddharaju <[email protected]> [TRTLLM-9579][infra] Set mergeWaiveList stage UNSTABLE when there is any issue (NVIDIA#9692) Signed-off-by: Yiqing Yan <[email protected]> [None][doc] Added line about partial reuse (NVIDIA#7846) Signed-off-by: thorjohnsen <[email protected]> [TRTLLM-8920][feat] decouple disagg service from fastapi (NVIDIA#8714) Signed-off-by: Lizhi Zhou <[email protected]> [https://nvbugs/5633340][fix] start disagg workers and servers on free ports (NVIDIA#9694) Signed-off-by: Lizhi Zhou <[email protected]> [TRTLLM-9562] [doc] Add Deployment Guide for Kimi K2 Thinking on TensorRT LLM - Blackwell (NVIDIA#9711) Signed-off-by: Kaiyu Xie <[email protected]> [NVIDIA#9602][feat] AutoDeploy: Support TRTLLM Sampler (NVIDIA#9641) Signed-off-by: Govind Ramnarayan <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None] [tests] Unwaive EPLB tests (NVIDIA#9625) Signed-off-by: Kaiyu Xie <[email protected]> [https://nvbugs/5518713][test] Refactor core test lists by merging with llm_perf_cluster.yml (NVIDIA#9714) Signed-off-by: yufeiwu <[email protected]> [TRTLLM-7136][feat] Update load_weights method to include mapping parameter in checkpoint loaders (NVIDIA#9583) Signed-off-by: Robin Kobus <[email protected]> [None][refactor] Improve request processing function in sampler (NVIDIA#9671) Signed-off-by: Robin Kobus <[email protected]> [https://nvbugs/5670672][fix] Fix flaky KV connector tests (NVIDIA#9676) Signed-off-by: jthomson04 <[email protected]> [None][infra] Update allowed list 20251204 (NVIDIA#9718) Signed-off-by: Yuanjing Xue <[email protected]> [None][feat] AutoDeploy: Perf optimization for Attention and rmsnorm (NVIDIA#9719) Signed-off-by: Chenghao Zhang <[email protected]> [None][chore] Waive flakey disagg tests (NVIDIA#9749) Signed-off-by: Mike Iovine <[email protected]> [https://nvbugs/5601682][fix] Fix cacheTransceiver hang (NVIDIA#9311) Signed-off-by: Iman Tabrizian <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9199][docs] KV Connector Docs (NVIDIA#9325) Signed-off-by: jthomson04 <[email protected]> Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9160][doc] add doc to llm_runtime.py (NVIDIA#9482) Signed-off-by: Yan Chunwei <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [None][doc] VDR 1.0 trtllm-serve doc enhancement (NVIDIA#9443) Signed-off-by: Pengyun Lin <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9086][doc] Clean up TODOs in documentation (NVIDIA#9292) Signed-off-by: junq <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9157][doc] Guided decoding doc improvement (NVIDIA#9359) Signed-off-by: Enwei Zhu <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [None][infra] Updated Linux installation guide (NVIDIA#9485) Signed-off-by: Yiqing Yan <[email protected]> Co-authored-by: Yanchao Lu <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9075][doc] refine the slurm examples (NVIDIA#9548) Signed-off-by: Yan Chunwei <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9093][doc] update hyper links in overview (NVIDIA#9568) Signed-off-by: junq <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [TRTLLM-9092][doc] link to modelopt checkpoints in quick start guide (NVIDIA#9571) Signed-off-by: junq <[email protected]> Signed-off-by: Mike Iovine <[email protected]> Signed-off-by: Mike Iovine <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [None][fix] Fix triton moe load_weight (NVIDIA#9649) Signed-off-by: shuyix <[email protected]> [None][fix] fix a bug: deepseek_fp8_block_scales in TRTLLMGEN-MoE use 2D x_sf instead of 1D (NVIDIA#9658) Signed-off-by: xxi <[email protected]> [TRTLLM-9372][feat] Enable CuteDSL MoE with Large EP (NVIDIA#9592) Signed-off-by: Enwei Zhu <[email protected]> [TRTLLM-9522][chore] implement default `attach_multimodal_embeddings` (NVIDIA#9664) Signed-off-by: ixlmar <[email protected]> [TRTLLM-9660][feat] Convert cuteDSL GEMM to opt-in feature (NVIDIA#9682) Signed-off-by: Jonas Li <[email protected]> Co-authored-by: Kaiyu Xie <[email protected]> [None][fix] enable hmac in RPC (NVIDIA#9745) Signed-off-by: Superjomn <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [https://nvbugs/5703953][fix] Preserving ip:port for trtllm-serve before initializing llm (NVIDIA#9646) Signed-off-by: Junyi Xu <[email protected]> [None][infra] Waive failed cases for main branch on 12/07 (NVIDIA#9769) Signed-off-by: qqiao <[email protected]> [None][fix] Several minor fixes to CI setting (NVIDIA#9765) Signed-off-by: Yanchao Lu <[email protected]> [OMNIML-3036][doc] Re-branding TensorRT-Model-Optimizer as Nvidia Model-Optimizer (NVIDIA#9679) Signed-off-by: Chenjie Luo <[email protected]> [None][feat] Enable NCCL_SYMMETRIC as default fallback for AllReduce (NVIDIA#9314) Signed-off-by: Ludwig Schneider <[email protected]> [TRTLLM-9000][feat] Add multi-node Perf Tests into CI (NVIDIA#8800) Signed-off-by: Chenfei Zhang <[email protected]> [None][test] add ntp tolerance in time metrics verification (NVIDIA#9741) Signed-off-by: zhengd-nv <[email protected]> [TRTLLM-9603][feat] Enable ConfigurableMoE test in the CI (NVIDIA#9645) [https://nvbugs/5422621][test] Add GB 200 WIDEEP test case for RCCA 5422621 (NVIDIA#9506) Signed-off-by: FredricZ-2007 <[email protected]> [None][fix] Fix two tuning cache miss issues. (NVIDIA#9743) Signed-off-by: Yukun He <[email protected]> [None][infra] Check in most recent lock file from nightly pipeline Signed-off-by: TensorRT LLM <[email protected]> [TRTLLM-9706] [doc] Update wide EP documents (NVIDIA#9724) Signed-off-by: Kaiyu Xie <[email protected]> [https://nvbugs/5666804][test] only adding sampler config for limited models (NVIDIA#9512) Signed-off-by: Ruodi Lu <[email protected]> Co-authored-by: Ruodi Lu <[email protected]> Co-authored-by: yufeiwu-nv <[email protected]> Co-authored-by: Larry Xu <[email protected]> [None][infra] Waive failed cases for main on 12/08 (NVIDIA#9773) Signed-off-by: qqiao <[email protected]> [None][chore] Move the rocketkv e2e test to post-merge (NVIDIA#9768) Signed-off-by: Fanrong Li <[email protected]> [None][chore] Enable tvm_ffi for cute dsl nvfp4_gemm to reduce host overhead. (NVIDIA#9690) Signed-off-by: Mindy Li <[email protected]> [TRTLLM-9431][perf] Enable multistream for Linear Attention in Qwen3-… (NVIDIA#9696) Signed-off-by: nv-guomingz <[email protected]> [None][chore] Remove closed bugs (NVIDIA#9770) Signed-off-by: xinhe-nv <[email protected]> [None][infra] update mooncake in docker images (NVIDIA#9584) Signed-off-by: zhengd-nv <[email protected]> Signed-off-by: Zheng Duan <[email protected]> [None][test] Add Kimi k2 WIDEEP perf and accuracy cases (NVIDIA#9686) Signed-off-by: FredricZ-2007 <[email protected]> Signed-off-by: Kaiyu Xie <[email protected]> Co-authored-by: Kaiyu Xie <[email protected]> [https://nvbugs/5527655][test] Add test case for RCCA 5527655 (NVIDIA#9511) Signed-off-by: FredricZ-2007 <[email protected]> [http://nvbugs/5649010][fix] fix test_auto_scaling.py::test_worker_restart timeout (NVIDIA#9775) Signed-off-by: Lizhi Zhou <[email protected]> [None][fix] Switch AutoDeploy's default allreduce strategy to NCCL (NVIDIA#9666) Signed-off-by: Eran Geva <[email protected]> [TRTLLM-9506][fix] Fix AR for DeepSeek-R1 2 model path (NVIDIA#9661) Signed-off-by: qgai <[email protected]> ray + updatew works trtllm works in async env trtllm works in sync and async env ray + updatew works rebase to the updated verl server mode still cherry pick still cherry pick still cherry pick integrated http interface hang at RyExecutor create workers ray.remote clean code use tensorrt_llm.rlhf_utils Signed-off-by: Liwei Ma <[email protected]> placement, asyncllm, and basic tests Signed-off-by: Erin Ho <[email protected]> connect sleep and wakeup; Add support to pass None to update_weights Signed-off-by: Erin Ho <[email protected]> Batching ctx for IFB scheduler Signed-off-by: Yuan Tong <[email protected]> accuracy WAR for TP>1: always use AllReduceStrategy.NCCL, refactored Signed-off-by: Erin Ho <[email protected]> fix e2e integration Signed-off-by: Superjomn <[email protected]> update asyncllm, other nits Signed-off-by: Erin Ho <[email protected]> fix init setup Signed-off-by: Erin Ho <[email protected]> Fix TRTLLMSampler logprobs perf Signed-off-by: Yuan Tong <[email protected]> fix and cleanup Signed-off-by: Erin Ho <[email protected]> fix server Signed-off-by: Erin Ho <[email protected]> Revert "Batching ctx for IFB scheduler" This reverts commit b51aac0 Signed-off-by: Yuan Tong <[email protected]> update & address comments Signed-off-by: Erin Ho <[email protected]>

Signed-off-by: Yoray Zack <[email protected]> Signed-off-by: zackyoray <[email protected]>

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zackyoray changed the title ~~[None][feat] Add NIXL-LIBFABRIC~~ [None][feat] Add NIXL-LIBFABRIC support Nov 17, 2025

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retag current_image_tags.properties

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Signed-off-by: Yoray Zack <[email protected]>

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[None] Change NIXL build type to release #8818

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[None][feat] Add NIXL-LIBFABRIC support (NVIDIA#9225)

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Signed-off-by: Yoray Zack <[email protected]> Signed-off-by: zackyoray <[email protected]>

codego7250 pushed a commit to codego7250/TensorRT-LLM that referenced this pull request Dec 11, 2025

[None][feat] Add NIXL-LIBFABRIC support (NVIDIA#9225)

f9e5520

Signed-off-by: Yoray Zack <[email protected]> Signed-off-by: zackyoray <[email protected]>

This was referenced Dec 15, 2025

[Documentation] AWS EFA/LIBFABRIC deployment guide for disaggregated inference #10014

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[Bug] fused_qk_norm_rope API breaking change between rc4 and rc5 (15 vs 16 arguments) #10015

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[None][feat] Add NIXL-LIBFABRIC support #9225

[None][feat] Add NIXL-LIBFABRIC support #9225

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