Alexander Grund 60005eb47b Don't overwrite blas_thread_buffer if already set ...

After a fork it is possible that blas_thread_buffer has already
allocated memory buffers: goto_set_num_threads does allocate those
already and it may be called by num_cpu_avail in case the OpenBLAS
NUM_THREADS differ from the OMP num threads.
This leads to a memory leak which can cause subsequent execution of BLAS
kernels to fail.

Fixes #2993

2020-11-19 14:51:51 +01:00

13 KiB

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