<div dir="ltr">CPU time of this pipeline<div>gst-launch-1.0 -e ximagesrc display-name=:0 use-damage=0 ! multiqueue ! video/x-raw,format=BGRx ! videoconvert ! video/x-raw,format=I420,framerate=30/1 ! multiqueue ! vaapiencode_h264 ! vaapiparse_h264 ! multiqueue ! matroskamux name=muxer muxer. ! progressreport name=Rec_time ! filesink location=/disk/tmp//rec_2014-10-05_123757.mkv</div><div>and then</div><div><div>perf stat -p `pidof gst-launch-1.0`</div></div><div> </div><div> </div></div><div class="gmail_extra"> <div class="gmail_quote">2014-10-05 16:18 GMT+03:00 Tim Müller <<a href="mailto:tim@centricular.com" target="_blank">tim@centricular.com</a>>: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Sun, 2014-10-05 at 12:04 +0300, Yaroslav Andrusyak wrote: Hi, I'm a bit confused by these numbers. What exactly did you measure here? Cheers -Tim <div class="HOEnZb"><div class="h5"> > Now i finished testing new ORC verison > of videoconvert_convert_matrix8. > gst 1.4.3 > Performance counter stats for process id '1899': > > > 15064.538253 task-clock (msec) # 0.548 CPUs > utilized [100.00%] > 13,397 context-switches # 0.889 K/sec > [100.00%] > 1,841 cpu-migrations # 0.122 K/sec > [100.00%] > 15 page-faults # 0.001 K/sec > > 47,656,623,006 cycles # 3.163 GHz > [100.00%] > 13,852,194,083 stalled-cycles-frontend # 29.07% frontend > cycles idle [100.00%] > <not supported> stalled-cycles-backend > 128,121,252,488 instructions # 2.69 insns per > cycle > # 0.11 stalled > cycles per insn [100.00%] > 9,185,407,626 branches # 609.737 M/sec > [100.00%] > 14,321,378 branch-misses # 0.16% of all > branches > > > 27.470107935 seconds time elapsed > > > > > > > gst 1.4.3 + SSE patch > Performance counter stats for process id '1816': 6684.168028 > task-clock (msec) # 0.222 CPUs utilized 12,919 context-switches # > 0.002 M/sec 994 cpu-migrations # 0.149 K/sec 15 page-faults # 0.002 > K/sec 21,026,251,117 cycles # 3.146 GHz 6,601,947,003 > stalled-cycles-frontend # 31.40% frontend cycles idle <not supported> > stalled-cycles-backend 50,980,515,172 instructions # 2.42 insns per > cycle # 0.13 stalled cycles per insn 2,629,078,867 branches # 393.329 > M/sec 14,069,001 branch-misses # 0.54% of all branches 30.173457857 > seconds time elapsed > > > > gst 1.5 ORC > Performance counter stats for process id '31045': > > > 13233.834604 task-clock (msec) # 0.297 CPUs > utilized > 25,289 context-switches # 0.002 M/sec > > 2,173 cpu-migrations # 0.164 K/sec > > 22 page-faults # 0.002 K/sec > > 41,150,975,897 cycles # 3.110 GHz > > 13,982,410,478 stalled-cycles-frontend # 33.98% frontend > cycles idle > <not supported> stalled-cycles-backend > 101,877,265,752 instructions # 2.48 insns per > cycle > # 0.14 stalled > cycles per insn > 5,199,227,991 branches # 392.874 M/sec > > 22,454,841 branch-misses # 0.43% of all > branches > > > 44.537258699 seconds time elapsed > > > > > > > Good job > > 2014-06-23 8:49 GMT+03:00 Yaroslav Andrusyak <<a href="mailto:pontostroy@gmail.com">pontostroy@gmail.com</a>>: > Other multi-platform version use tables instead of multipl > and all components in one 64-bit number > > > static int op=0; > static int64_t t_r3[256], t_g3[256], t_b3[256]; > > static void > videoconvert_convert_matrix8 (VideoConvert * convert, gpointer p) > { > while (op<2) { > int i, j; > int k_r[] = { convert->cmatrix[0][0], convert->cmatrix[1][0], convert->cmatrix[2][0] }; > int k_g[] = { convert->cmatrix[0][1], convert->cmatrix[1][1], convert->cmatrix[2][1] }; > int k_b[] = { convert->cmatrix[0][2], convert->cmatrix[1][2], convert->cmatrix[2][2] }; > > > for (i = 0; i <= 255; i++) > { > int64_t r = 0, g = 0, b = 0; > for (j = 0; j <= 2; j++) > { > r = (r << 16) + k_r[j] * i; > g = (g << 16) + k_g[j] * i; > b = (b << 16) + k_b[j] * i; > } > t_r3[i] = r; > t_g3[i] = g; > t_b3[i] = b; > op=2; > } > } > int t; > uint8_t r, g, b; > guint8 *pixels = p; > int64_t c = ((int64_t) convert->cmatrix[0][3] << 32) > + ((int64_t) convert->cmatrix[1][3] << 16) > + ((int64_t) convert->cmatrix[2][3] << 0); > > for (t = 0; t < convert->width * 4; t += 4) > { > r = pixels[t + 1]; > g = pixels[t + 2]; > b = pixels[t + 3]; > > int64_t x3 = t_r3[r] + t_g3[g] + t_b3[b] + c; > > pixels[t + 1] = x3 >> 40; > pixels[t + 2] = x3 >> 24; > pixels[t + 3] = x3 >> 8; > } > } > > > and result on i5-3330 3GHz > > > x86 stock\table64 > > Performance counter stats for process id '2427': > > 24441.388683 task-clock # 0.555 CPUs > utilized > 16,117 context-switches # 0.659 K/sec > > 219 cpu-migrations # 0.009 K/sec > > 5,233 page-faults # 0.214 K/sec > > 77,409,381,175 cycles # 3.167 GHz > > 26,292,718,337 stalled-cycles-frontend # 33.97% > frontend cycles idle > <not supported> stalled-cycles-backend > 197,607,036,204 instructions # 2.55 insns > per cycle > # 0.13 > stalled cycles per insn > 12,292,242,916 branches # 502.927 M/sec > > 21,693,862 branch-misses # 0.18% of all > branches > <not supported> L1-dcache-loads:HG > 481,143,745 L1-dcache-load-misses:HG # 0.00% of all > L1-dcache hits > 239,777,528 LLC-loads:HG # 9.810 M/sec > > <not supported> LLC-load-misses:HG > > 44.023759316 seconds time elapsed > > > > Performance counter stats for process id '2822': > > 16221.909026 task-clock # 0.339 CPUs > utilized > 15,932 context-switches # 0.982 K/sec > > 1,189 cpu-migrations # 0.073 K/sec > > 3,315 page-faults # 0.204 K/sec > > 51,320,206,381 cycles # 3.164 GHz > > 13,246,360,560 stalled-cycles-frontend # 25.81% > frontend cycles idle > <not supported> stalled-cycles-backend > 127,814,464,535 instructions # 2.49 insns > per cycle > # 0.10 > stalled cycles per insn > 5,902,096,929 branches # 363.835 M/sec > > 21,703,222 branch-misses # 0.37% of all > branches > <not supported> L1-dcache-loads:HG > 608,012,138 L1-dcache-load-misses:HG # 0.00% of all > L1-dcache hits > 250,741,676 LLC-loads:HG # 15.457 M/sec > > <not supported> LLC-load-misses:HG > > 47.831511910 seconds time elapsed > > > x86_64 stock\table64 > > Performance counter stats for process id '3506': > > 23258.800974 task-clock # 0.455 CPUs > utilized > 18,130 context-switches # 0.779 K/sec > > 2,288 cpu-migrations # 0.098 K/sec > > 1,331 page-faults # 0.057 K/sec > > 73,692,193,376 cycles # 3.168 GHz > > 21,218,974,690 stalled-cycles-frontend # 28.79% > frontend cycles idle > <not supported> stalled-cycles-backend > 198,710,985,363 instructions # 2.70 insns > per cycle > # 0.11 > stalled cycles per insn > 14,252,859,241 branches # 612.794 M/sec > > 22,748,214 branch-misses # 0.16% of all > branches > <not supported> L1-dcache-loads:HG > 566,065,245 L1-dcache-load-misses:HG # 0.00% of all > L1-dcache hits > 267,280,364 LLC-loads:HG # 11.492 M/sec > > <not supported> LLC-load-misses:HG > > 51.148678220 seconds time elapsed > > Performance counter stats for process id '3379': > > > > > > 12461.157685 task-clock # 0.250 CPUs > utilized > 5,485 context-switches # 0.001 M/sec > > 238 cpu-migrations # 0.019 K/sec > > > 8,634 page-faults # 0.693 K/sec > > > 39,284,950,355 cycles # 3.153 GHz > > > 8,891,423,340 stalled-cycles-frontend # 22.63% > frontend cycles idle > > <not supported> stalled-cycles-backend > > > 105,668,751,265 instructions # 2.69 insns > per cycle > > # 0.08 > stalled cycles per insn > 6,123,961,551 branches # 491.444 M/sec > > 20,472,272 branch-misses # 0.33% of all > branches > <not supported> L1-dcache-loads:HG > 608,576,686 L1-dcache-load-misses:HG # 0.00% of all > L1-dcache hits > 259,895,252 LLC-loads:HG # 20.856 M/sec > > <not supported> LLC-load-misses:HG > > 49.792876350 seconds time elapsed > > > > > > > 2014-06-21 20:30 GMT+00:00 Yaroslav Andrusyak > <<a href="mailto:pontostroy@gmail.com">pontostroy@gmail.com</a>>: > One good man gave me a sse3 version > of videoconvert_convert_matrix8 (4-7 times faster) > > Samples: 198K of event 'cycles', Event count > (approx.): 112390215455 > > > 31.71% libx264.so.142 [.] > x264_add8x8_idct_avx2.skip_prologue > 19.26% libx264.so.142 [.] > 0x00000000000951bc > 10.58% libx264.so.142 [.] > x264_add8x8_idct_avx.skip_prologue > 3.71% libgstvideoconvert.so [.] > videoconvert_convert_matrix8 (3.71% vs 23.51% > ) > 2.83% libx264.so.142 [.] > x264_me_search_ref > 2.82% orcexec.eWcXD2 [.] > 0x0000000000000284 > 2.64% <a href="http://libc-2.18.so" target="_blank">libc-2.18.so</a> [.] > __memcpy_sse2_unaligned > 2.24% libgstvideo-1.0.so.0.204.0 [.] > video_chroma_down_v2_guint8 > 2.22% libgstvideo-1.0.so.0.204.0 [.] > video_chroma_down_h2_guint8 > 2.20% libx264.so.142 [.] > x264_macroblock_cache_load_progressive > 1.95% libx264.so.142 [.] > x264_sub8x8_dct_avx.skip_prologue > 1.55% libx264.so.142 [.] > x264_macroblock_analyse > 0.97% libx264.so.142 [.] > x264_macroblock_encode > 0.94% libx264.so.142 [.] > x264_macroblock_cache_save > 0.90% libx264.so.142 [.] > x264_mb_predict_mv_direct16x16 > 0.83% libx264.so.142 [.] > x264_mb_predict_mv_ref16x16 > 0.62% perf [.] > 0x0000000000067844 > 0.59% libx264.so.142 [.] > x264_mb_encode_chroma > 0.39% libx264.so.142 [.] > x264_macroblock_probe_skip > > > > > it is possible add videoconvert_convert_matrix8_sse in > upstream? > > > static void > videoconvert_convert_matrix8 (VideoConvert * convert, > gpointer pixels) > { > > int i,j; > guint8 *p = pixels; > > __m128i v_byte1 = _mm_set1_epi32(0x000000ff); > __m128i v_byte3 = _mm_set1_epi32(0x00ff0000); > __m128i v_mat_00 = _mm_set1_epi16((short > int)convert->cmatrix[0][0]); > __m128i v_mat_01 = _mm_set1_epi16((short > int)convert->cmatrix[0][1]); > __m128i v_mat_02 = _mm_set1_epi16((short > int)convert->cmatrix[0][2]); > __m128i v_mat_03 = _mm_set1_epi16((short > int)convert->cmatrix[0][3]); > __m128i v_mat_04 = _mm_set1_epi16((short > int)convert->cmatrix[1][0]); > __m128i v_mat_05 = _mm_set1_epi16((short > int)convert->cmatrix[1][1]); > __m128i v_mat_06 = _mm_set1_epi16((short > int)convert->cmatrix[1][2]); > __m128i v_mat_07 = _mm_set1_epi16((short > int)convert->cmatrix[1][3]); > __m128i v_mat_08 = _mm_set1_epi16((short > int)convert->cmatrix[2][0]); > __m128i v_mat_09 = _mm_set1_epi16((short > int)convert->cmatrix[2][1]); > __m128i v_mat_10 = _mm_set1_epi16((short > int)convert->cmatrix[2][2]); > __m128i v_mat_11 = _mm_set1_epi16((short > int)convert->cmatrix[2][3]); > > __m128i mask2 = _mm_set1_epi32(0x00ff00ff); > > __m128i mask_y1 = _mm_set_epi8((char)128, > (char)128, 12, (char)128, (char)128, (char)128, 8, > (char)128, > (char)128, > (char)128, 4, (char)128, (char)128, (char)128, 0, > (char)128); > > __m128i mask_y2 = _mm_set_epi8((char)128, > (char)128, 14, (char)128, (char)128, (char)128, 10, > (char)128, > (char)128, > (char)128, 6, (char)128, (char)128, (char)128, 2, > (char)128); > > __m128i mask_u1 = _mm_set_epi8((char)128, 12, > (char)128, (char)128, (char)128, 8, (char)128, > (char)128, > (char)128, 4, > (char)128, (char)128, (char)128, 0, (char)128, > (char)128); > > __m128i mask_u2 = _mm_set_epi8((char)128, 14, > (char)128, (char)128, (char)128, 10, (char)128, > (char)128, > (char)128, 6, > (char)128, (char)128, (char)128, 2, (char)128, > (char)128); > > __m128i mask_v1 = _mm_set_epi8(12, (char)128, > (char)128, (char)128, 8, (char)128, (char)128, > (char)128, > 4, (char)128, > (char)128, (char)128, 0, (char)128, (char)128, > (char)128); > > __m128i mask_v2 = _mm_set_epi8(14, (char)128, > (char)128, (char)128, 10, (char)128, (char)128, > (char)128, > 6, (char)128, > (char)128, (char)128, 2, (char)128, (char)128, > (char)128); > > > for (i=0; i<convert->width / 8; i++) { > __m128i a1, a2, r, g, b, y, u, v, res; > > a1 = _mm_loadu_si128((__m128i > *)&p[i*32]); > a2 = _mm_loadu_si128((__m128i > *)&p[i*32 + 16]); > > r = > _mm_or_si128(_mm_and_si128(_mm_srli_si128(a1, 1), > v_byte1), _mm_and_si128(_mm_slli_si128(a2, 1), > v_byte3)); > g = > _mm_or_si128(_mm_and_si128(_mm_srli_si128(a1, 2), > v_byte1), _mm_and_si128(a2, v_byte3)); > b = > _mm_or_si128(_mm_and_si128(_mm_srli_si128(a1, 3), > v_byte1), _mm_and_si128(_mm_srli_si128(a2, 1), > v_byte3)); > > > y = _mm_add_epi16( > _mm_add_epi16( > _mm_mullo_epi16(r, > v_mat_00), > _mm_mullo_epi16(g, > v_mat_01)), > _mm_add_epi16( > _mm_mullo_epi16(b, > v_mat_02), > v_mat_03)); > > y = _mm_and_si128(_mm_srai_epi16(y, > 8), mask2); > > u = _mm_add_epi16( > _mm_add_epi16( > _mm_mullo_epi16(r, > v_mat_04), > _mm_mullo_epi16(g, > v_mat_05)), > _mm_add_epi16( > _mm_mullo_epi16(b, > v_mat_06), > v_mat_07)); > > u = _mm_and_si128(_mm_srai_epi16(u, > 8), mask2); > > v = _mm_add_epi16( > _mm_add_epi16( > _mm_mullo_epi16(r, > v_mat_08), > _mm_mullo_epi16(g, > v_mat_09)), > _mm_add_epi16( > _mm_mullo_epi16(b, > v_mat_10), > v_mat_11)); > > v = _mm_and_si128(_mm_srai_epi16(v, > 8), mask2); > > > res = _mm_or_si128(_mm_shuffle_epi8(y, > mask_y1), _mm_shuffle_epi8(u, mask_u1)); > res = _mm_or_si128(res, > _mm_shuffle_epi8(v, mask_v1)); > > _mm_storeu_si128((__m128i *)&p[i*32], > res); > > res = _mm_or_si128(_mm_shuffle_epi8(y, > mask_y2), _mm_shuffle_epi8(u, mask_u2)); > res = _mm_or_si128(res, > _mm_shuffle_epi8(v, mask_v2)); > > _mm_storeu_si128((__m128i *)&p[i*32 + > 16], res); > } > } > > > > > </div></div>> _______________________________________________ > gstreamer-devel mailing list > <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> > <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> -- Tim Müller, Centricular Ltd - <a href="http://www.centricular.com" target="_blank">http://www.centricular.com</a> <div class="HOEnZb"><div class="h5"> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </div></div></blockquote></div> </div>