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fixup! Fix load explosion: use subprocess for binary data plots to avoid thread conflict

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* Seems we don't have to set so many variables, `OMP_NUM_THREADS` is enough.

Test: Annotate the code for setting other environment variables. It runs normally.
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ianchb
2026-02-09 22:57:17 +08:00
parent dd2443c926
commit 8b68b5d782
1 changed files with 2 additions and 6 deletions
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8
plot_binary_data.py
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@@ -8,16 +8,12 @@
##
#################################################
## Restrict BLAS/OpenMP to one thread per process so that running
## Restrict OpenMP to one thread per process so that running
## many workers in parallel does not create an O(workers * BLAS_threads)
## thread explosion. These variables MUST be set before numpy/scipy
## thread explosion. The variable MUST be set before numpy/scipy
## are imported, because the BLAS library reads them only at load time.
import os
os.environ.setdefault("OMP_NUM_THREADS", "1")
os.environ.setdefault("OPENBLAS_NUM_THREADS", "1")
os.environ.setdefault("MKL_NUM_THREADS", "1")
os.environ.setdefault("VECLIB_MAXIMUM_THREADS", "1")
os.environ.setdefault("NUMEXPR_NUM_THREADS", "1")
import numpy
import scipy