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DRAFT Bench 26156 - #26844

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DRAFT Bench 26156#26844
kosiew wants to merge 2 commits into
apache:mainfrom
kosiew:bench-26156

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@kosiew kosiew commented Oct 28, 2026

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BENCH 26156

kosiew and others added 2 commits October 28, 2026 18:17
@kosiew
Add nested alias bench for expr_schema with metadata
635e7b5 
- Add new bench for expr_schema that tests nested alias behavior with metadata
- Update Cargo.toml to include bench for expr_schema
- Implement bench in Rust to test nested alias generation with metadata
@osipovartem @kosiew
Avoid resolving aliased expression fields twice
544e2c9
@kosiew

kosiew commented Oct 28, 2026

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run benchmark expr_schema

baseline:
  ref: "635e7b55bc"

@kosiew kosiew changed the title Bench 26156 DRAFT Bench 26156 Oct 28, 2026
@adriangbot

adriangbot commented Oct 28, 2026

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🤖 Benchmark running (GKE) | trigger
Instance: c4a-highmem-16 (12 vCPU / 65 GiB) | Linux bench-c6466430171-4026-bgnnc 6.12.105+ #1 SMP Sat Sep 19 07:55:25 UTC 2026 aarch64 GNU/Linux

CPU Details (lscpu) 
Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected

Comparing bench-26156 (544e2c9) to 635e7b5 diff

Run configuration 
run benchmark expr_schema
baseline:
  ref: "635e7b55bc"

Results will be posted here when complete

File an issue against this benchmark runner

@adriangbot

adriangbot commented Oct 28, 2026

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🤖 Benchmark completed (GKE) | trigger

Instance: c4a-highmem-16 (12 vCPU / 65 GiB)

Comparing bench-26156 (544e2c9) to 635e7b5 diff

Run configuration 
run benchmark expr_schema
baseline:
  ref: "635e7b55bc"
CPU Details (lscpu) 
Architecture:                            aarch64
CPU op-mode(s):                          64-bit
Byte Order:                              Little Endian
CPU(s):                                  16
On-line CPU(s) list:                     0-15
Vendor ID:                               ARM
Model name:                              Neoverse-V2
Model:                                   1
Thread(s) per core:                      1
Core(s) per cluster:                     16
Socket(s):                               -
Cluster(s):                              1
Stepping:                                r0p1
BogoMIPS:                                2000.00
Flags:                                   fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm sb paca pacg dcpodp sve2 sveaes svepmull svebitperm svesha3 svesm4 flagm2 frint svei8mm svebf16 i8mm bf16 dgh rng bti
L1d cache:                               1 MiB (16 instances)
L1i cache:                               1 MiB (16 instances)
L2 cache:                                32 MiB (16 instances)
L3 cache:                                80 MiB (1 instance)
NUMA node(s):                            1
NUMA node0 CPU(s):                       0-15
Vulnerability Gather data sampling:      Not affected
Vulnerability Indirect target selection: Not affected
Vulnerability Itlb multihit:             Not affected
Vulnerability L1tf:                      Not affected
Vulnerability Mds:                       Not affected
Vulnerability Meltdown:                  Not affected
Vulnerability Mmio stale data:           Not affected
Vulnerability Reg file data sampling:    Not affected
Vulnerability Retbleed:                  Not affected
Vulnerability Spec rstack overflow:      Not affected
Vulnerability Spec store bypass:         Mitigation; Speculative Store Bypass disabled via prctl
Vulnerability Spectre v1:                Mitigation; __user pointer sanitization
Vulnerability Spectre v2:                Mitigation; CSV2, BHB
Vulnerability Srbds:                     Not affected
Vulnerability Tsa:                       Not affected
Vulnerability Tsx async abort:           Not affected
Vulnerability Vmscape:                   Not affected
Details 

group                                HEAD                                    bench-26156
-----                                ----                                    -----------
nested_alias_to_field/metadata/0     1.00     46.3±0.24ns        ? ?/sec     1.02     47.2±1.51ns        ? ?/sec
nested_alias_to_field/metadata/1     1.15    402.6±3.30ns        ? ?/sec     1.00    350.6±4.02ns        ? ?/sec
nested_alias_to_field/metadata/12    397.05  1305.0±7.20µs        ? ?/sec    1.00      3.3±0.01µs        ? ?/sec
nested_alias_to_field/metadata/4     3.97      4.8±0.02µs        ? ?/sec     1.00   1216.8±2.12ns        ? ?/sec
nested_alias_to_field/metadata/8     35.06    81.7±0.27µs        ? ?/sec     1.00      2.3±0.01µs        ? ?/sec
nested_alias_to_field/plain/0        1.00     46.1±0.20ns        ? ?/sec     1.02     47.1±1.56ns        ? ?/sec
nested_alias_to_field/plain/1        1.23    217.6±2.72ns        ? ?/sec     1.00    177.1±2.50ns        ? ?/sec
nested_alias_to_field/plain/12       536.42   586.7±3.34µs        ? ?/sec    1.00   1093.8±3.97ns        ? ?/sec
nested_alias_to_field/plain/4        5.62      2.2±0.01µs        ? ?/sec     1.00    388.7±5.05ns        ? ?/sec
nested_alias_to_field/plain/8        45.46    36.7±0.18µs        ? ?/sec     1.00    806.3±4.76ns        ? ?/sec

Resource Usage

expr_schema — base (merge-base)

Metric Value
Wall time 195.0s
Peak memory 33.4 MiB
Avg memory 14.5 MiB
CPU user 120.3s
CPU sys 0.1s
Peak spill 0 B

expr_schema — branch

Metric Value
Wall time 180.0s
Peak memory 28.4 MiB
Avg memory 12.2 MiB
CPU user 110.4s
CPU sys 0.1s
Peak spill 0 B

File an issue against this benchmark runner

@kosiew kosiew mentioned this pull request Oct 28, 2026
Merged
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3 participants

@kosiew @adriangbot @osipovartem