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Trial tracemalloc as memory tracker (replacement v2 PR) #5946

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Trial tracemalloc as memory tracker (replacement v2 PR) #5946

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94494fb
Trial tracemalloc as alternative memory tracker.
pp-mo May 9, 2024
d039ad0
Use more practical nworkers params.
pp-mo May 9, 2024
84ff4ad
Fix task scaling; test WorkersAndBlocks with process-based tasks.
pp-mo May 16, 2024
8f7166e
Investigate repeated ops with simulated memory 'leak'.
pp-mo May 20, 2024
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Investigate repeated ops with simulated memory 'leak'.
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@pp-mo
pp-mo committed May 20, 2024
commit 8f7166e7bfdb5c0efbef1e2b902ac1bbfc9fa2b5
24 changes: 24 additions & 0 deletions benchmarks/benchmarks/memtrace_evaluation/__init__.py
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Expand Up @@ -4,6 +4,8 @@
# See LICENSE in the root of the repository for full licensing details.
"""Benchmarks to evaluate tracemalloc/rss methods of memory measurement."""

import numpy as np

from .. import TrackAddedMemoryAllocation
from .memory_exercising_task import SampleParallelTask

Expand Down Expand Up @@ -126,3 +128,25 @@ def setup(self, nblocks, nworkers):
nblocks=nblocks,
nworkers=nworkers,
)


class MemcheckTaskRepeats(MemcheckCommon):
param_names = ["nreps"]
params = [1, 2, 3, 4]

def setup(self, nreps):
self._extra_allocated_mem = []
self._setup()

def _test_task(self):
odd_array = np.zeros([1000, 1000], dtype=np.float32)
odd_array[1, 1] = 1
self._extra_allocated_mem.extend(odd_array)
self.task.perform()

@memory_units_mib
def track_mem(self, nreps):
with TrackAddedMemoryAllocation() as tracer:
for _ in range(nreps):
self._test_task()
return tracer.addedmem_mb()