Forum topic

AVX Power consumption (on i5)

Dear all,

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

Loops inside transactional regions in RTM (TSX)

Hi everyone,

I have a question about loops in TSX. Can I put loops inside a transactional region?

Example

xbegin();

...

   while(cond) i++;

..

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

There are something wrong with using svml in inline ASM

     I try using __svml_sin2 in inline ASM like the way compiler does.  A code snippet as following,

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

ippGetCpuFeatures for AVX2 support

I'm relying at the moment on inline ASM to check for AVX2 support, but use the IPP function ippGetCpuFeatures to check for AVX and SSEx features.

Authored by bronxzv Last updated on 01/04/2019 - 14:10
Forum topic

FMA Support

Hello guys, sorry for a basic question. I've been looking for architectures which supports FMA. I know Sandy Bridge doesn't support, and Haswel supports it. But, what about Ivy Bridge?

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

Disabling AVX

Hi all,

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

SDE produces unstable behavior

Hi,

Authored by andysem Last updated on 01/04/2019 - 14:10
Forum topic

asm blocks

Hello,

I am writing AVX code inside asm blocks (don"t want to use avx intrinsics).

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

BUG: Poor hybrid SSE/AVX code generated

Hi,

I have a piece of code that I cannot disclose right now (I will try to reproduce it in a shorter example), the thing is when I compile it with /QAVX, it generate this code:

Authored by Last updated on 01/04/2019 - 14:10
Forum topic

Bug in SDE emulation of AVX-512 _mm512_permutevar_ps() ?

Hello,

Authored by Romain D. Last updated on 01/04/2019 - 14:10