Testing SGEMM function in BLAS-Tester

[shivra...@imgtec.com]

Hello,

To check the correctness of SGEMM I am using BLAS-Tester (xsl3blastst).

$./bin/xsl3blastst


./bin/xsl3blastst

--------------------------------- GEMM ----------------------------------
TST# A B    M    N    K ALPHA  LDA  LDB  BETA  LDC  TIME MFLOP SpUp  TEST
==== = = ==== ==== ==== ===== ==== ==== ===== ==== ===== ===== ==== =====
qemu: Unsupported syscall: 4268
   0 N N  100  100  100   1.0 1000 1000   1.0 1000  0.04  50.3 1.00 -----
   0 N N  100  100  100   1.0 1000 1000   1.0 1000  0.01 312.4 6.21 PASS
   1 N N  200  200  200   1.0 1000 1000   1.0 1000  0.32  50.5 1.00 -----
   1 N N  200  200  200   1.0 1000 1000   1.0 1000  0.00 12039.6 238.44 PASS

In case of xsl3blastst, 'TEST' column always show 'PASS', even for expected failure in SGEMM functionality.

Am I missing something to test xsl3blastst?

I have observed similar behaviour in case of xcl3blastst.

Note : For xdl3blastst/xzl3blastst, I have observed expected output (PASS/FAIL) behaviour, unlike xsl3blastst/xcl3blastst.

Regards,

shivraj

[Zhang Xianyi]

I think you need check the threshold. We may set it too large.

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