mirror of https://github.com/FFmpeg/FFmpeg.git
Originally committed as revision 9120 to svn://svn.ffmpeg.org/ffmpeg/trunkpull/126/head
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/*
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* MMX optimized DSP utils |
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with this library; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#define TESTCPU_MAIN |
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#include "avcodec.h" |
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#include "dsputil.h" |
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#include "mpegvideo.h" |
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#include "mpeg12data.h" |
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#include "mpeg4data.h" |
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#include "cputest.c" |
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#include "dsputil_mmx.c" |
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#include "fdct_mmx.c" |
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#include "idct_mmx.c" |
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#include "motion_est_mmx.c" |
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#include "simple_idct_mmx.c" |
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#include "dsputil.c" |
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#include "simple_idct.c" |
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#include "jfdctfst.c" |
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#undef TESTCPU_MAIN |
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#define PAD 0x10000 |
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/*
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* for testing speed of various routine - should be probably extended |
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* for a general purpose regression test later |
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* |
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* currently only for i386 - FIXME |
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*/ |
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#define PIX_FUNC_C(a) \ |
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{ #a "_c", a ## _c, 0 }, \
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{ #a "_mmx", a ## _mmx, MM_MMX }, \
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{ #a "_mmx2", a ## _mmx2, MM_MMXEXT | PAD } |
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#define PIX_FUNC(a) \ |
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{ #a "_mmx", a ## _mmx, MM_MMX }, \
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{ #a "_3dnow", a ## _3dnow, MM_3DNOW }, \
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{ #a "_mmx2", a ## _mmx2, MM_MMXEXT | PAD } |
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#define PIX_FUNC_MMX(a) \ |
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{ #a "_mmx", a ## _mmx, MM_MMX | PAD } |
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/*
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PIX_FUNC_C(pix_abs16x16), |
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PIX_FUNC_C(pix_abs16x16_x2), |
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PIX_FUNC_C(pix_abs16x16_y2), |
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PIX_FUNC_C(pix_abs16x16_xy2), |
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PIX_FUNC_C(pix_abs8x8), |
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PIX_FUNC_C(pix_abs8x8_x2), |
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PIX_FUNC_C(pix_abs8x8_y2), |
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PIX_FUNC_C(pix_abs8x8_xy2), |
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*/ |
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static const struct pix_func { |
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char* name; |
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op_pixels_func func; |
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int mm_flags; |
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} pix_func[] = { |
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PIX_FUNC_MMX(put_pixels), |
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//PIX_FUNC_MMX(get_pixels),
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//PIX_FUNC_MMX(put_pixels_clamped),
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#if 1 |
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PIX_FUNC(put_pixels_x2), |
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PIX_FUNC(put_pixels_y2), |
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PIX_FUNC_MMX(put_pixels_xy2), |
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PIX_FUNC(put_no_rnd_pixels_x2), |
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PIX_FUNC(put_no_rnd_pixels_y2), |
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PIX_FUNC_MMX(put_no_rnd_pixels_xy2), |
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PIX_FUNC(avg_pixels), |
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PIX_FUNC(avg_pixels_x2), |
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PIX_FUNC(avg_pixels_y2), |
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PIX_FUNC(avg_pixels_xy2), |
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PIX_FUNC_MMX(avg_no_rnd_pixels), |
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PIX_FUNC_MMX(avg_no_rnd_pixels_x2), |
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PIX_FUNC_MMX(avg_no_rnd_pixels_y2), |
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PIX_FUNC_MMX(avg_no_rnd_pixels_xy2), |
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#endif |
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{ 0, 0 } |
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}; |
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static inline long long rdtsc() |
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{ |
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long long l; |
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asm volatile( "rdtsc\n\t" |
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: "=A" (l) |
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); |
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return l; |
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} |
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static test_speed(int step) |
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{ |
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const struct pix_func* pix = pix_func; |
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const int linesize = 720; |
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char empty[32768]; |
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char* bu =(char*)(((long)empty + 32) & ~0xf); |
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int sum = 0; |
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while (pix->name) |
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{ |
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int i; |
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uint64_t te, ts; |
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op_pixels_func func = pix->func; |
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char* im = bu; |
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if (pix->mm_flags & mm_flags) |
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{ |
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printf("%30s... ", pix->name); |
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fflush(stdout); |
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ts = rdtsc(); |
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for(i=0; i<100000; i++){ |
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func(im, im + 1000, linesize, 16); |
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im += step; |
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if (im > bu + 20000) |
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im = bu; |
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} |
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te = rdtsc(); |
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emms(); |
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printf("% 9d\n", (int)(te - ts)); |
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sum += (te - ts) / 100000; |
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if (pix->mm_flags & PAD) |
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puts(""); |
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} |
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pix++; |
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} |
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printf("Total sum: %d\n", sum); |
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} |
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int main(int argc, char* argv[]) |
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{ |
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int step = 16; |
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if (argc > 1) |
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{ |
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// something simple for now
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if (argc > 2 && (strcmp("-s", argv[1]) == 0 |
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|| strcmp("-step", argv[1]) == 0)) |
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step = atoi(argv[2]); |
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} |
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mm_flags = mm_support(); |
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printf("%s: detected CPU flags:", argv[0]); |
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if (mm_flags & MM_MMX) |
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printf(" mmx"); |
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if (mm_flags & MM_MMXEXT) |
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printf(" mmxext"); |
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if (mm_flags & MM_3DNOW) |
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printf(" 3dnow"); |
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if (mm_flags & MM_SSE) |
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printf(" sse"); |
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if (mm_flags & MM_SSE2) |
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printf(" sse2"); |
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printf("\n"); |
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printf("Using step: %d\n", step); |
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test_speed(step); |
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} |
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