portelli/Grid
1
0
Fork 0
mirror of https://github.com/paboyle/Grid.git synced 2025-06-16 23:07:05 +01:00
Code Releases Activity

Merge remote-tracking branch 'upstream/master'

Browse Source 
Conflicts:
	lib/math/Grid_math_tensors.h
	lib/simd/Grid_vector_types.h
This commit is contained in:
neo
2015-05-26 13:14:06 +09:00
parent ece86f717b 3a6ff2d7b8
commit 257aa92421
39 changed files with 1091 additions and 439 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
lib/simd/Old/Grid_vRealD.h
View File

@ -210,25 +210,33 @@ namespace Grid {
friend inline RealD Reduce(const vRealD & in)
{
vRealD v1,v2;
union {
dvec v;
double f[sizeof(dvec)/sizeof(double)];
} conv;
#ifdef SSE4
vRealD v1;
permute(v1,in,0); // sse 128; paired real double
v1=v1+in;
return RealD(v1.v[0]);
#endif
#if defined(AVX1) || defined (AVX2)
vRealD v1,v2;
permute(v1,in,0); // avx 256; quad double
v1=v1+in;
permute(v2,v1,1);
v1=v1+v2;
return v1.v[0];
#endif
#ifdef AVX512
return _mm512_reduce_add_pd(in.v);
permute(v1,in,0); // avx 512; octo-double
v1=v1+in;
permute(v2,v1,1);
v1=v1+v2;
permute(v2,v1,2);
v1=v1+v2;
#endif
#ifdef QPX
#endif
conv.v=v1.v;
return conv.f[0];
}
// *=,+=,-= operators