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[https://nvbugs/5628952][fix] avoid cudaFree overlap with cuda graph #8903

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Merged
MartinMarciniszyn merged 4 commits into from
Nov 12, 2025
Merged

[https://nvbugs/5628952][fix] avoid cudaFree overlap with cuda graph #8903

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6e7cb4a
avoid cudaFree overlap with cuda graph
chuangz0 Nov 4, 2025
a050d1d
Merge branch 'release/1.1' into fix_kv_cache_transceiver
chuangz0 Nov 7, 2025
ec8f7cc
update
chuangz0 Nov 11, 2025
bd4f9a3
Merge branch 'release/1.1' into fix_kv_cache_transceiver
chuangz0 Nov 11, 2025
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3 changes: 3 additions & 0 deletions tensorrt_llm/_torch/pyexecutor/py_executor_creator.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import copy
import enum
import gc
import importlib
import os
from concurrent.futures import ThreadPoolExecutor
Expand Down Expand Up @@ -657,6 +658,8 @@ def drafting_loop_wrapper(model):

with mem_monitor.observe_creation_stage(
_ExecutorCreationStage.EXTRA_RESOURCES):
# run gc.collect() to free memory of the previous py_executor, avoid cudaFree overlap with cuda graph capture
gc.collect()
py_executor = create_py_executor_instance(
dist=dist,
resources=resources,
Expand Down
4 changes: 0 additions & 4 deletions tests/integration/test_lists/waives.txt
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Expand Up @@ -341,11 +341,7 @@ cpp/test_e2e.py::test_benchmarks[gpt-80] SKIP (https://nvbugs/5601670)
disaggregated/test_disaggregated.py::test_disaggregated_benchmark_on_diff_backends[llama-v3-8b-hf] SKIP (https://nvbugs/5587574)
accuracy/test_cli_flow.py::TestMinitron4BBase::test_fp8 SKIP (https://nvbugs/5606233)
examples/test_gpt.py::test_llm_minitron_fp8_with_pseudo_loras[4b] SKIP (https://nvbugs/5606233)
disaggregated/test_disaggregated_single_gpu.py::test_disaggregated_simple_deepseek[True-False-DeepSeek-V3-Lite-fp8/fp8] SKIP (https://nvbugs/5626197)
disaggregated/test_disaggregated_single_gpu.py::test_disaggregated_simple_deepseek[True-True-DeepSeek-V3-Lite-fp8/fp8] SKIP (https://nvbugs/5628952)
cpp/test_e2e.py::test_benchmarks[t5-90] SKIP (https://nvbugs/5630196)
accuracy/test_disaggregated_serving.py::TestQwen3_8B::test_nixl_backend SKIP (https://nvbugs/5628952)
accuracy/test_disaggregated_serving.py::TestDeepSeekV3Lite::test_guided_decoding[xgrammar-mtp_nextn=2] SKIP (https://nvbugs/5628952)
full:RTX_PRO_6000_Blackwell_Server_Edition/accuracy/test_llm_api_pytorch.py::TestGemma3_1BInstruct::test_auto_dtype SKIP (https://nvbugs/5569696)
accuracy/test_cli_flow.py::TestGpt2::test_attention_ootb SKIP (https://nvbugs/5640940)
llmapi/test_llm_examples.py::test_llmapi_speculative_decoding_mtp SKIP (https://nvbugs/5461796)