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Speedup and reduced memory usage for lmmse demosaic, Issue 2665

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Ingo
2015-02-22 22:00:06 +01:00
parent 9dd4da2547
commit 4e8a326645
4 changed files with 382 additions and 213 deletions
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32
rtengine/helpersse2.h
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@@ -9,11 +9,7 @@
#define INLINE inline
#endif
#if defined( WIN32 ) && defined(__x86_64__)
#include <intrin.h>
#else
#include <emmintrin.h>
#endif
#include <x86intrin.h>
#include <stdint.h>
@@ -40,7 +36,33 @@ typedef __m128i vint2;
#define LVFU(x) _mm_loadu_ps(&x)
#define STVF(x,y) _mm_store_ps(&x,y)
#endif
// Load 8 floats from a and combine a[0],a[2],a[4] and a[6] into a vector of 4 floats
#define LC2VFU(a) _mm_shuffle_ps( LVFU(a), _mm_loadu_ps( (&a) + 4 ), _MM_SHUFFLE( 2,0,2,0 ) )
// Store a vector of 4 floats in a[0],a[2],a[4] and a[6]
#if defined(__x86_64__) && defined(__SSE4_1__)
// SSE4.1 => use _mm_blend_ps instead of _mm_set_epi32 and vself
#define STC2VFU(a,v) {\
__m128 TST1V = _mm_loadu_ps(&a);\
__m128 TST2V = _mm_shuffle_ps(v,v,_MM_SHUFFLE( 1,1,0,0 ));\
_mm_storeu_ps(&a, _mm_blend_ps(TST1V,TST2V,5));\
TST1V = _mm_loadu_ps((&a)+4);\
TST2V = _mm_shuffle_ps(v,v,_MM_SHUFFLE( 3,3,2,2 ));\
_mm_storeu_ps((&a)+4, _mm_blend_ps(TST1V,TST2V,5));\
}
#else
#define STC2VFU(a,v) {\
__m128 TST1V = _mm_loadu_ps(&a);\
__m128 TST2V = _mm_shuffle_ps(v,v,_MM_SHUFFLE( 1,1,0,0 ));\
vmask cmask = _mm_set_epi32(0xffffffff,0,0xffffffff,0);\
_mm_storeu_ps(&a, vself(cmask,TST1V,TST2V));\
TST1V = _mm_loadu_ps((&a)+4);\
TST2V = _mm_shuffle_ps(v,v,_MM_SHUFFLE( 3,3,2,2 ));\
_mm_storeu_ps((&a)+4, vself(cmask,TST1V,TST2V));\
}
#endif
#define ZEROV _mm_setzero_ps()
static INLINE vint vrint_vi_vd(vdouble vd) { return _mm_cvtpd_epi32(vd); }