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Destroy OpenMP

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This commit is contained in:
Jasper St. Pierre
2014-11-05 12:26:08 -08:00
parent a1b44a9027
commit 44b879dac2
5 changed files with 0 additions and 68 deletions
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46
Source/Core/VideoCommon/TextureDecoder_x64.cpp
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@ -13,12 +13,6 @@
#include "VideoCommon/TextureDecoder.h"
#include "VideoCommon/VideoConfig.h"
#ifdef _OPENMP
#include <omp.h>
#elif defined __GNUC__
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#endif
#if _M_SSE >= 0x401
#include <smmintrin.h>
#include <emmintrin.h>
@ -234,22 +228,6 @@ static void DecodeDXTBlock(u32 *dst, const DXTBlock *src, int pitch)
}
#endif
static inline void SetOpenMPThreadCount(int width, int height)
{
#ifdef _OPENMP
// Don't use multithreading in small Textures
if (g_ActiveConfig.bOMPDecoder && width > 127 && height > 127)
{
// don't span to many threads they will kill the rest of the emu :)
omp_set_num_threads((omp_get_num_procs() + 2) / 3);
}
else
{
omp_set_num_threads(1);
}
#endif
}
// JSD 01/06/11:
// TODO: we really should ensure BOTH the source and destination addresses are aligned to 16-byte boundaries to
// squeeze out a little more performance. _mm_loadu_si128/_mm_storeu_si128 is slower than _mm_load_si128/_mm_store_si128
@ -260,8 +238,6 @@ static inline void SetOpenMPThreadCount(int width, int height)
PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int height, int texformat, const u8* tlut, TlutFormat tlutfmt)
{
SetOpenMPThreadCount(width, height);
const int Wsteps4 = (width + 3) / 4;
const int Wsteps8 = (width + 7) / 8;
@ -270,7 +246,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
case GX_TF_C4:
if (tlutfmt == GX_TL_RGB5A3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
for (int x = 0, yStep = (y / 8) * Wsteps8; x < width; x += 8,yStep++)
for (int iy = 0, xStep = 8 * yStep; iy < 8; iy++,xStep++)
@ -278,7 +253,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_IA8)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
for (int x = 0, yStep = (y / 8) * Wsteps8; x < width; x += 8,yStep++)
for (int iy = 0, xStep = 8 * yStep; iy < 8; iy++,xStep++)
@ -287,7 +261,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_RGB565)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
for (int x = 0, yStep = (y / 8) * Wsteps8; x < width; x += 8,yStep++)
for (int iy = 0, xStep = 8 * yStep; iy < 8; iy++,xStep++)
@ -307,7 +280,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
const __m128i maskB3A2 = _mm_set_epi8(11,11,11,11,3,3,3,3,10,10,10,10,2,2,2,2);
const __m128i maskD5C4 = _mm_set_epi8(13,13,13,13,5,5,5,5,12,12,12,12,4,4,4,4);
const __m128i maskF7E6 = _mm_set_epi8(15,15,15,15,7,7,7,7,14,14,14,14,6,6,6,6);
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
for (int x = 0, yStep = (y / 8) * Wsteps8; x < width; x += 8,yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 8; iy += 2,xStep++)
@ -343,7 +315,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// JSD optimized with SSE2 intrinsics.
// Produces a ~76% speed improvement over reference C implementation.
{
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
for (int x = 0, yStep = (y / 8) * Wsteps8 ; x < width; x += 8, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 8; iy += 2, xStep++)
@ -415,7 +386,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// Produces a ~10% speed improvement over SSE2 implementation
if (cpu_info.bSSSE3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8,yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; ++iy, xStep++)
@ -441,7 +411,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// JSD optimized with SSE2 intrinsics.
// Produces an ~86% speed improvement over reference C implementation.
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8,yStep++)
{
@ -527,7 +496,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
case GX_TF_C8:
if (tlutfmt == GX_TL_RGB5A3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -535,7 +503,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_IA8)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -544,7 +511,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_RGB565)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -554,7 +520,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
break;
case GX_TF_IA4:
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps8; x < width; x += 8, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -568,7 +533,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// Produces an ~50% speed improvement over SSE2 implementation.
if (cpu_info.bSSSE3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -590,7 +554,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
const __m128i kMask_x0f = _mm_set_epi32(0x00000000L, 0x00000000L, 0x00ff00ffL, 0x00ff00ffL);
const __m128i kMask_xf000 = _mm_set_epi32(0xff000000L, 0xff000000L, 0xff000000L, 0xff000000L);
const __m128i kMask_x0fff = _mm_set_epi32(0x00ffffffL, 0x00ffffffL, 0x00ffffffL, 0x00ffffffL);
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -639,7 +602,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
case GX_TF_C14X2:
if (tlutfmt == GX_TL_RGB5A3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -647,7 +609,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_IA8)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -655,7 +616,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
}
else if (tlutfmt == GX_TL_RGB565)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -671,7 +631,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
const __m128i kMaskG1 = _mm_set1_epi32(0x00000300);
const __m128i kMaskB0 = _mm_set1_epi32(0x00F80000);
const __m128i kAlpha = _mm_set1_epi32(0xFF000000);
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -748,7 +707,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// Produces a ~10% speed improvement over SSE2 implementation
if (cpu_info.bSSSE3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -841,7 +799,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// JSD optimized with SSE2 intrinsics (2 in 4 cases)
// Produces a ~25% speed improvement over reference C implementation.
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
for (int iy = 0, xStep = 4 * yStep; iy < 4; iy++, xStep++)
@ -955,7 +912,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// Produces a ~30% speed improvement over SSE2 implementation
if (cpu_info.bSSSE3)
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
{
@ -987,7 +943,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// JSD optimized with SSE2 intrinsics
// Produces a ~68% speed improvement over reference C implementation.
{
#pragma omp parallel for
for (int y = 0; y < height; y += 4)
for (int x = 0, yStep = (y / 4) * Wsteps4; x < width; x += 4, yStep++)
{
@ -1091,7 +1046,6 @@ PC_TexFormat _TexDecoder_DecodeImpl(u32 * dst, const u8 * src, int width, int he
// Produces a ~50% improvement for x86 and a ~40% improvement for x64 in speed over reference C implementation.
// The x64 compiled reference C code is faster than the x86 compiled reference C code, but the SSE2 is
// faster than both.
#pragma omp parallel for
for (int y = 0; y < height; y += 8)
{
for (int x = 0, yStep = (y / 8) * Wsteps8; x < width; x += 8,yStep++)