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Fix on EPYC machine for multi instance performance issue,

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Issue: For the default values of mc, kc and nc with multi instance mode the performance across the cores dip drastically.
Fix: After experimentation found different set of values (mc, kc and nc) which fits in the cache size, and performance across the remains same across all the cores.

Change-Id: I98265e3b7e61cd7602a0cc5596240e86c08c03fe
This commit is contained in:
sraut
2018-12-18 14:39:16 +05:30
committed by dzambare
parent ea64906393
commit e082fc2b1f
1 changed files with 1 additions and 0 deletions
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config/zen/bli_cntx_init_zen.c
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@@ -117,6 +117,7 @@ void bli_cntx_init_zen( cntx_t* cntx )
bli_blksz_init_easy( &blkszs[ BLIS_NR ], 16, 8, 8, 4 );
/*
<<<<<<< HEAD
Multi Instance performance improvement of DGEMM when binded to a CCX
In Multi instance each thread runs a sequential DGEMM.