Hi, I'm trying to figure out why I get a 20% Haswell slowdown porting some C++ IIR filter loops from AVX128 to AVX256. Advisor's no help as both Check Dependencies and Check Memory Access Patterns
I have been making a practice of setting -debug:inline-debug-info when building for Advisor. Today I noticed a case where Advisor 17 update 2 misses a vectorized loop in a C function called from F
For command line
Hi, Intel technician,
HI, Intel technician,
when I ran 2017 intel advisor XE under Linux, the following error occurred
Apparently, Advisor cannot analyze results for display in Survey Report where cilk_for is in use. The "Why no vectorization?" field shows this comment. The times are quoted as 0.
A colleague teaches a parallel programming course at the University of New Mexico. He'd like to introduce his spring semester class to Roofline.
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