PeerStreamer

/*

 * MMX optimized DSP utils

 * Copyright (c) 2000, 2001, 2002 Fabrice Bellard.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#define TESTCPU_MAIN

#include "avcodec.h"

#include "dsputil.h"

#include "mpegvideo.h"

#include "mpeg12data.h"

#include "mpeg4data.h"

#include "../libavcodec/i386/cputest.c"

#include "../libavcodec/i386/dsputil_mmx.c"

#include "../libavcodec/i386/fdct_mmx.c"

#include "../libavcodec/i386/idct_mmx.c"

#include "../libavcodec/i386/motion_est_mmx.c"

#include "../libavcodec/i386/simple_idct_mmx.c"

#include "../libavcodec/dsputil.c"

#include "../libavcodec/simple_idct.c"

#include "../libavcodec/jfdctfst.c"

#undef TESTCPU_MAIN

#define PAD 0x10000

/*

 * for testing speed of various routine - should be probably extended

 * for a general purpose regression test later

 *

 * currently only for i386 - FIXME

 */

#define PIX_FUNC_C(a) \

    { #a "_c", a ## _c, 0 }, \

    { #a "_mmx", a ## _mmx, MM_MMX }, \

    { #a "_mmx2", a ## _mmx2, MM_MMXEXT | PAD }

#define PIX_FUNC(a) \

    { #a "_mmx", a ## _mmx, MM_MMX }, \

    { #a "_3dnow", a ## _3dnow, MM_3DNOW }, \

    { #a "_mmx2", a ## _mmx2, MM_MMXEXT | PAD }

#define PIX_FUNC_MMX(a) \

    { #a "_mmx", a ## _mmx, MM_MMX | PAD }

/*

    PIX_FUNC_C(pix_abs16x16),

    PIX_FUNC_C(pix_abs16x16_x2),

    PIX_FUNC_C(pix_abs16x16_y2),

    PIX_FUNC_C(pix_abs16x16_xy2),

    PIX_FUNC_C(pix_abs8x8),

    PIX_FUNC_C(pix_abs8x8_x2),

    PIX_FUNC_C(pix_abs8x8_y2),

    PIX_FUNC_C(pix_abs8x8_xy2),

*/

static const struct pix_func {

    char* name;

    op_pixels_func func;

    int mm_flags;

} pix_func[] = {

    PIX_FUNC_MMX(put_pixels),

    //PIX_FUNC_MMX(get_pixels),

    //PIX_FUNC_MMX(put_pixels_clamped),

#if 1

    PIX_FUNC(put_pixels_x2),

    PIX_FUNC(put_pixels_y2),

    PIX_FUNC_MMX(put_pixels_xy2),

    PIX_FUNC(put_no_rnd_pixels_x2),

    PIX_FUNC(put_no_rnd_pixels_y2),

    PIX_FUNC_MMX(put_no_rnd_pixels_xy2),

    PIX_FUNC(avg_pixels),

    PIX_FUNC(avg_pixels_x2),

    PIX_FUNC(avg_pixels_y2),

    PIX_FUNC(avg_pixels_xy2),

    PIX_FUNC_MMX(avg_no_rnd_pixels),

    PIX_FUNC_MMX(avg_no_rnd_pixels_x2),

    PIX_FUNC_MMX(avg_no_rnd_pixels_y2),

    PIX_FUNC_MMX(avg_no_rnd_pixels_xy2),

#endif

    { 0, 0 }

};

static inline long long rdtsc()

{

    long long l;

    asm volatile(   "rdtsc\n\t"

                    : "=A" (l)

                );

    return l;

}

static test_speed(int step)

{

    const struct pix_func* pix = pix_func;

    const int linesize = 720;

    char empty[32768];

    char* bu =(char*)(((long)empty + 32) & ~0xf);

    int sum = 0;

    while (pix->name)

    {

        int i;

        uint64_t te, ts;

        op_pixels_func func = pix->func;

        char* im = bu;

        if (pix->mm_flags & mm_flags)

        {

            printf("%30s... ", pix->name);

            fflush(stdout);

            ts = rdtsc();

            for(i=0; i<100000; i++){

                func(im, im + 1000, linesize, 16);

                im += step;

                if (im > bu + 20000)

                    im = bu;

            }

            te = rdtsc();

            emms();

            printf("% 9d\n", (int)(te - ts));

            sum += (te - ts) / 100000;

            if (pix->mm_flags & PAD)

                puts("");

        }

        pix++;

    }

    printf("Total sum: %d\n", sum);

}

int main(int argc, char* argv[])

{

    int step = 16;

    if (argc > 1)

    {

        // something simple for now

        if (argc > 2 && (strcmp("-s", argv[1]) == 0

                         || strcmp("-step", argv[1]) == 0))

            step = atoi(argv[2]);

    }

    mm_flags = mm_support();

    printf("%s: detected CPU flags:", argv[0]);

    if (mm_flags & MM_MMX)

        printf(" mmx");

    if (mm_flags & MM_MMXEXT)

        printf(" mmxext");

    if (mm_flags & MM_3DNOW)

        printf(" 3dnow");

    if (mm_flags & MM_SSE)

        printf(" sse");

    if (mm_flags & MM_SSE2)

        printf(" sse2");

    printf("\n");

    printf("Using step: %d\n", step);

    test_speed(step);

}