bcc370102f
BlasPP by ECP SLATE will fail to install by default (`spack install blaspp`) because: - the default BLAS installation in Spack is OpenBLAS - BlasPP conflicts with `threads=none` for all recent OpenBLAS releases OpenBLAS introduced a threadsafe compile option with 0.3.7+ aka `USE_LOCKING`: ``` 61 # If you want to build a single-threaded OpenBLAS, but expect to call this 62 # from several concurrent threads in some other program, comment this in for 63 # thread safety. (This is done automatically for USE_THREAD=1 , and should not 64 # be necessary when USE_OPENMP=1) 65 # USE_LOCKING = 1 ``` According to tests, with `spack install --test root blaspp`, this exactly addresses the issues in BlasPP tests. It also seems to be a good option to set by default for OpenBLAS and users that do not need this safety net can always disable it. Solve issues with newer OpenBLAS by requiring `+locking` over none-default threading options. |
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