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PJMEDIA Performance Measurement
Moved to https://docs.pjsip.org/en/latest/specific-guides/perf_footprint/pjmedia_mips.html
This page attempts to show the typical performance characteristic of various PJMEDIA components, which could be useful to evaluate PJMEDIA performance. Please do not interpret these numbers as an official or definite performance number, as there are many compilation flags in PJMEDIA as well as compiler switches that can be set to increase (or decrease) the performance.
Table of Contents
- Test Method
- Interpreting the Results
-
Results
- PJSIP-0.9.0, Linux, ARM9 (ARM926EJ-S), gcc
- PJSIP-0.9.0, PocketPC 2003, XScale PXA270, embedded Visual C++, Optimized Settings
- PJSIP-0.9.0, PocketPC 2003, XScale PXA270, embedded Visual C++, Default Settings
- PJSIP-0.9.0, Linux, Pentium3, gcc
- PJSIP-0.9.0, Windows 2000, Pentium3, Visual C++ 2005
- PJSIP-0.9.0, Windows XP, Pentium 4, Visual Studio 2005
- PJSIP-0.9.0, Windows Vista 64bit, AMD Phenom 9850, Visual Studio 2005
Test Method
Each test should measure the overall performance for both directions. So for example for resampling, the test shows the total upsample and downsample time in a single test, and for codec it will show the total encoding and decoding time.
The test program depends on correct settings of CPU_MHZ and MIPS value of the processor being set correctly during compilation time. We used the MIPS information in the following links to assume the MIPS value of the processor:
- http://en.wikipedia.org/wiki/Million_instructions_per_second
- http://en.wikipedia.org/wiki/ARM_architecture
To measure the MIPS score of a component, the program calculates the time to process 1 second worth of audio samples using that component, then calculates the MIPS score based on the configured MIPS value of the processor. Because of this, the calculated MIPS shouldn't be interpreted as a real MIPS value since it's purely based on time measurement, and our assumed MIPS value for the processor may be wrong.
The test uses strictly one thread only.
All the results below are done with the default settings that come with PJSIP distribution. The test source code are available in pjmedia/src/test directory (mips_test.c file).
Interpreting the Results
Columns
There are four columns in the result table:
- Clock Rate:
- This shows the sampling rate of the component being tested, in KHz. We test both 8KHz and 16KHz. Most components can work in both 8KHz and 16KHz hence there will be two test result rows for the same component, each with different clock rate. Some components (mostly related codec) can only work in one of the clock rate (e.g. GSM is only shown in 8KHz, while G.722 is only shown in 16KHz) hence there will only be one test result row for these components.
- Time (usec):
- This shows the time elapsed to process 1 second worth of audio samples, in microseconds.
- CPU (%):
- This shows how much CPU usage (in percent) this component will consume when running it in real-time. The value is derived from the time measurement above. For example, if the time elapsed is 1 secondthen this component will take 100% of CPU time when run in real-time. Or if the time elapsed is 0.5 second then this component will take 50% of the CPU time when run in real-time.
The CPU percentage maybe larger than 100% if the time taken to process 1 second worth of audio samples is more than 1 second. It may happen when we perform the test on slower processor.
- MIPS:
- The MIPS (Million Instructions per Second) score roughly means how many instructions will be executed by this component per second when we run this component in real-time. The value is derived from the time measurement above, and calculated based on the assumed MIPS value of the processor. Once again, the score may be incorrect for many reasons so it shouldn't be interpreted as an official/definite score, and especially one MUST NOT use the MIPS score to compare performance of different processor families/architectures.
Rows
The rows show the measurement result of a particular components. The components tested are described below.
- get from memplayer:
- The memory/buffer based player port supplies the audio samples for almost all of the tests, so its time adds as overhead for all tests.
- conference bridge with N call(s):
- This measures the performance of the conference bridge with N calls. Note that we don't use actual call for the test since we only want to measure the conference bridge performance and not codec performance (this will be measured in separate tests). So for this test we use memplayer for each "call" to supply audio to the bridge. During the test all the calls (ports) will be connected to port zero and port zero will be connected to all calls. No connection among calls are created.
- upsample+downsample:
- This measures the performance of the resampling algorithm used. The test gets the audio from the memplayer, upsample it twice the clock rate, then downsample it half the clock rate again so that the clock rate now is the same as originally. This test measures both linear and non-linear resampling using small filter and large filter. Some resampling backend algorithms may not support selecting between linear/non-linear and small/large filter, in that case the results will be equal for all settings.
- WSOLA PLC - N% loss:
- This measures the performance of Waveform Similarity based Overlap and Add (WSOLA) algorithm when it is used to generate/emulate lost packet (a.k.a Packet Lost Concealment/PLC). Timing for various loss percentages are shown.
The WSOLA algorithm is used by both the delay buffer and PLC algorithm in pjmedia. The delay buffer itself is used by the splitcomb, sound port, and the conference bridge to adapt to audio burst and clock drifts.
- WSOLA discard N% excess:
- This measures the performance of Waveform Similarity based Overlap and Add (WSOLA) algorithm when it is used to discard excess audio samples (e.g. caused by clock drifts). Timing for various excess percentages are shown.
- echo canceller Nms tail len:
- This measures the performance of the acoustic echo canceller (AEC) for various echo tail settings. The audio source is taken from memplayer, and there is no acoustic delay in the AEC input.
- tone generator with single/dual freq:
- This measures the performance of the tone generator to continuously generate single or dual frequency tone for 1 second.
- codec encode/decode:
- This measures the time to encode and then decode 1 second worth of audio samples using the specified codec for 1 second.
- stream TX/RX:
- This test is intended to measure the performance/overhead of the stream, which consist of codec, RTP/RTCP processing, and de-jitter buffering. In addition it also tests the performance of Secure RTP (SRTP) for various setting combinations and codec bandwidth. Since the test here also consists of codec processing (encoding and decoding), you need to subtract the result with the result of the corresponding codec to measure the overhead of the stream and SRTP only.
Results
PJSIP-0.9.0, Linux, ARM9 (ARM926EJ-S), gcc
| Hardware: | Olimex SAM9-L9260 board |
| Platform: | Linux 2.6.23 |
| Processor: | ARM926EJ-S rev 5 (v5l) |
| Speed: | 180 MHz |
| Assumed MIPS: | 198 MIPS |
| BogoMIPS: | 98.91 |
| Compilation: | arm-926-linux-gnu-gcc -O2 -msoft-float -DNDEBUG -DPJ_HAS_FLOATING_POINT=0 |
| gcc: | version 4.2.1 --with-cpu=arm926ej-s -march=armv5te -msoft-float --with-float=soft |
Result:
00:59:38.531 os_core_unix.c pjlib 0.9.0-trunk for POSIX initialized MIPS test, with CPU=180Mhz, 198.0 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 181 0.018 0.04 8KHz conference bridge with 1 call 6682 0.668 1.32 8KHz conference bridge with 2 calls 11943 1.194 2.36 8KHz conference bridge with 4 calls 22402 2.240 4.44 8KHz conference bridge with 8 calls 42969 4.297 8.51 8KHz conference bridge with 16 calls 83328 8.333 16.50 8KHz upsample+downsample - linear 5815 0.581 1.15 8KHz upsample+downsample - small filter 66786 6.679 13.22 8KHz upsample+downsample - large filter 870754 87.075 172.41 8KHz WSOLA PLC - 0% loss 605 0.060 0.12 8KHz WSOLA PLC - 2% loss 1004 0.100 0.20 8KHz WSOLA PLC - 5% loss 1541 0.154 0.31 8KHz WSOLA PLC - 10% loss 1803 0.180 0.36 8KHz WSOLA PLC - 20% loss 3102 0.310 0.61 8KHz WSOLA PLC - 50% loss 8431 0.843 1.67 8KHz WSOLA discard 2% excess 214 0.021 0.04 8KHz WSOLA discard 5% excess 488 0.049 0.10 8KHz WSOLA discard 10% excess 1178 0.118 0.23 8KHz WSOLA discard 20% excess 2009 0.201 0.40 8KHz WSOLA discard 50% excess 6432 0.643 1.27 8KHz echo canceller 100ms tail len 335870 33.587 66.50 8KHz echo canceller 128ms tail len 336225 33.623 66.57 8KHz echo canceller 200ms tail len 349240 34.924 69.15 8KHz echo canceller 256ms tail len 363206 36.321 71.91 8KHz echo canceller 400ms tail len 400026 40.003 79.21 8KHz echo canceller 500ms tail len 426646 42.665 84.48 8KHz echo canceller 512ms tail len 432291 43.229 85.59 8KHz echo canceller 600ms tail len 454965 45.496 90.08 8KHz echo canceller 800ms tail len 516487 51.649 102.26 8KHz tone generator with single freq 920 0.092 0.18 8KHz tone generator with dual freq 1428 0.143 0.28 8KHz codec encode/decode - G.711 2701 0.270 0.53 8KHz codec encode/decode - GSM 75750 7.575 15.00 8KHz codec encode/decode - iLBC 2856203 285.620 565.53 8KHz codec encode/decode - Speex 8Khz 436162 43.616 86.36 8KHz codec encode/decode - L16/8000/1 1704 0.170 0.34 8KHz stream TX/RX - G.711 6786 0.679 1.34 8KHz stream TX/RX - G.711 SRTP 32bit 21688 2.169 4.29 8KHz stream TX/RX - G.711 SRTP 32bit +auth 33501 3.350 6.63 8KHz stream TX/RX - G.711 SRTP 80bit 21725 2.172 4.30 8KHz stream TX/RX - G.711 SRTP 80bit +auth 33551 3.355 6.64 8KHz stream TX/RX - GSM 82035 8.203 16.24 8KHz stream TX/RX - GSM SRTP 32bit 90890 9.089 18.00 8KHz stream TX/RX - GSM SRTP 32bit + auth 99334 9.933 19.67 8KHz stream TX/RX - GSM SRTP 80bit 90893 9.089 18.00 8KHz stream TX/RX - GSM SRTP 80bit + auth 99356 9.936 19.67 16KHz get from memplayer 239 0.024 0.05 16KHz conference bridge with 1 call 12780 1.278 2.53 16KHz conference bridge with 2 calls 23052 2.305 4.56 16KHz conference bridge with 4 calls 43174 4.317 8.55 16KHz conference bridge with 8 calls 82096 8.210 16.26 16KHz conference bridge with 16 calls 158565 15.856 31.40 16KHz upsample+downsample - linear 11469 1.147 2.27 16KHz upsample+downsample - small filter 133088 13.309 26.35 16KHz upsample+downsample - large filter 1739742 173.974 344.47 16KHz WSOLA PLC - 0% loss 980 0.098 0.19 16KHz WSOLA PLC - 2% loss 1910 0.191 0.38 16KHz WSOLA PLC - 5% loss 3734 0.373 0.74 16KHz WSOLA PLC - 10% loss 7867 0.787 1.56 16KHz WSOLA PLC - 20% loss 13007 1.301 2.58 16KHz WSOLA PLC - 50% loss 29022 2.902 5.75 16KHz WSOLA discard 2% excess 551 0.055 0.11 16KHz WSOLA discard 5% excess 1027 0.103 0.20 16KHz WSOLA discard 10% excess 1973 0.197 0.39 16KHz WSOLA discard 20% excess 10454 1.045 2.07 16KHz WSOLA discard 50% excess 22276 2.228 4.41 16KHz echo canceller 100ms tail len 664649 66.465 131.60 16KHz echo canceller 128ms tail len 682686 68.269 135.17 16KHz echo canceller 200ms tail len 720924 72.092 142.74 16KHz echo canceller 256ms tail len 752928 75.293 149.08 16KHz echo canceller 400ms tail len 877528 87.753 173.75 16KHz echo canceller 500ms tail len 970559 97.056 192.17 16KHz echo canceller 512ms tail len 989839 98.984 195.99 16KHz echo canceller 600ms tail len 1065465 106.547 210.96 16KHz echo canceller 800ms tail len 1285075 128.508 254.44 16KHz tone generator with single freq 1617 0.162 0.32 16KHz tone generator with dual freq 2632 0.263 0.52 16KHz codec encode/decode - G.722 148080 14.808 29.32 16KHz codec encode/decode - Speex 16Khz 979202 97.920 193.88 16KHz codec encode/decode - L16/16000/1 3244 0.324 0.64 16KHz stream TX/RX - G.722 155685 15.568 30.83
PJSIP-0.9.0, PocketPC 2003, XScale PXA270, embedded Visual C++, Optimized Settings
| Hardware: | Dell Axim X30 PDA |
| Platform: | PocketPC 2003 |
| Processor: | Intel XScale PXA270 |
| Speed: | 312 MHz |
| Assumed MIPS: | 400 MIPS |
| BogoMIPS: | - |
| Compilation switches: | /Oxt /QRarch5T /QRdsp /QRxscale |
| Compiler: | Embedded Visual C++ 4 (v4.00.1610.0) |
| Settings: | PJ_HAS_FLOATING_POINT=0 |
- Note:
- All PJMEDIA features are enabled for this test, which normally is not the case for typical use (e.g. normally we would replace AEC with the simpler echo suppressor).
Result:
06:19:52.000 os_core_win32. pjlib 0.9.0-trunk for win32 initialized MIPS test, with CPU=312Mhz, 400.0 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 154 0.015 0.06 8KHz conference bridge with 1 call 7499 0.750 3.00 8KHz conference bridge with 2 calls 13244 1.324 5.30 8KHz conference bridge with 4 calls 23570 2.357 9.43 8KHz conference bridge with 8 calls 37377 3.738 14.95 8KHz conference bridge with 16 calls 60895 6.089 24.36 8KHz upsample+downsample - linear 3695 0.370 1.48 8KHz upsample+downsample - small filter 43537 4.354 17.41 8KHz upsample+downsample - large filter 393547 39.355 157.41 8KHz WSOLA PLC - 0% loss 501 0.050 0.20 8KHz WSOLA PLC - 2% loss 542 0.054 0.22 8KHz WSOLA PLC - 5% loss 568 0.057 0.23 8KHz WSOLA PLC - 10% loss 960 0.096 0.38 8KHz WSOLA PLC - 20% loss 1656 0.166 0.66 8KHz WSOLA PLC - 50% loss 4464 0.446 1.79 8KHz WSOLA discard 2% excess 157 0.016 0.06 8KHz WSOLA discard 5% excess 296 0.030 0.12 8KHz WSOLA discard 10% excess 621 0.062 0.25 8KHz WSOLA discard 20% excess 931 0.093 0.37 8KHz WSOLA discard 50% excess 3237 0.324 1.29 8KHz echo canceller 100ms tail len 298351 29.835 119.34 8KHz echo canceller 128ms tail len 296880 29.688 118.75 8KHz echo canceller 200ms tail len 324207 32.421 129.68 8KHz echo canceller 256ms tail len 316040 31.604 126.41 8KHz echo canceller 400ms tail len 346520 34.652 138.60 8KHz echo canceller 500ms tail len 363378 36.338 145.35 8KHz echo canceller 512ms tail len 363101 36.310 145.23 8KHz echo canceller 600ms tail len 382216 38.222 152.88 8KHz echo canceller 800ms tail len 410368 41.037 164.14 8KHz tone generator with single freq 1400 0.140 0.56 8KHz tone generator with dual freq 2554 0.255 1.02 8KHz codec encode/decode - G.711 1536 0.154 0.61 8KHz codec encode/decode - GSM 68559 6.856 27.42 8KHz codec encode/decode - iLBC 6337042 633.704 2534.72 8KHz codec encode/decode - Speex 8Khz 318969 31.897 127.58 8KHz codec encode/decode - L16/8000/1 2607 0.261 1.04 8KHz stream TX/RX - G.711 5022 0.502 2.01 8KHz stream TX/RX - G.711 SRTP 32bit 12869 1.287 5.15 8KHz stream TX/RX - G.711 SRTP 32bit +auth 21636 2.164 8.65 8KHz stream TX/RX - G.711 SRTP 80bit 12905 1.291 5.16 8KHz stream TX/RX - G.711 SRTP 80bit +auth 21558 2.156 8.62 8KHz stream TX/RX - GSM 86629 8.663 34.65 8KHz stream TX/RX - GSM SRTP 32bit 95385 9.538 38.15 8KHz stream TX/RX - GSM SRTP 32bit + auth 104510 10.451 41.80 8KHz stream TX/RX - GSM SRTP 80bit 96748 9.675 38.70 8KHz stream TX/RX - GSM SRTP 80bit + auth 109251 10.925 43.70 16KHz get from memplayer 134 0.013 0.05 16KHz conference bridge with 1 call 9107 0.911 3.64 16KHz conference bridge with 2 calls 16020 1.602 6.41 16KHz conference bridge with 4 calls 30208 3.021 12.08 16KHz conference bridge with 8 calls 56875 5.688 22.75 16KHz conference bridge with 16 calls 124328 12.433 49.73 16KHz upsample+downsample - linear 6994 0.699 2.80 16KHz upsample+downsample - small filter 87700 8.770 35.08 16KHz upsample+downsample - large filter 823986 82.399 329.58 16KHz WSOLA PLC - 0% loss 639 0.064 0.26 16KHz WSOLA PLC - 2% loss 1119 0.112 0.45 16KHz WSOLA PLC - 5% loss 1372 0.137 0.55 16KHz WSOLA PLC - 10% loss 5312 0.531 2.12 16KHz WSOLA PLC - 20% loss 7274 0.727 2.91 16KHz WSOLA PLC - 50% loss 13206 1.321 5.28 16KHz WSOLA discard 2% excess 80 0.008 0.03 16KHz WSOLA discard 5% excess 342 0.034 0.14 16KHz WSOLA discard 10% excess 2084 0.208 0.83 16KHz WSOLA discard 20% excess 3286 0.329 1.31 16KHz WSOLA discard 50% excess 10756 1.076 4.30 16KHz echo canceller 100ms tail len 567743 56.774 227.09 16KHz echo canceller 128ms tail len 580722 58.072 232.28 16KHz echo canceller 200ms tail len 637630 63.763 255.04 16KHz echo canceller 256ms tail len 627308 62.731 250.91 16KHz echo canceller 400ms tail len 709140 70.914 283.64 16KHz echo canceller 500ms tail len 744817 74.482 297.91 16KHz echo canceller 512ms tail len 741073 74.107 296.42 16KHz echo canceller 600ms tail len 760064 76.006 304.01 16KHz echo canceller 800ms tail len 1231781 123.178 492.69 16KHz tone generator with single freq 2372 0.237 0.95 16KHz tone generator with dual freq 4679 0.468 1.87 16KHz codec encode/decode - G.722 91761 9.176 36.70 16KHz codec encode/decode - Speex 16Khz 642039 64.204 256.81 16KHz codec encode/decode - L16/16000/1 5077 0.508 2.03 16KHz stream TX/RX - G.722 106951 10.695 42.78
PJSIP-0.9.0, PocketPC 2003, XScale PXA270, embedded Visual C++, Default Settings
| Hardware: | Dell Axim X30 PDA |
| Platform: | PocketPC 2003 |
| Processor: | Intel XScale PXA270 |
| Speed: | 312 MHz |
| Assumed MIPS: | 400 MIPS |
| BogoMIPS: | - |
| Compilation switches: | /O2 |
| Compiler: | Embedded Visual C++ 4 (v4.00.1610.0) |
| Settings: | PJ_HAS_FLOATING_POINT=0 |
- Note:
-
- All PJMEDIA features are enabled for this test, which normally is not the case for typical use (e.g. normally we would replace AEC with the simpler echo suppressor).
- This test is the same as PocketPC test before (on the same device etc.), except it uses default compilation switch ("/O2"). As you can see some components are actually running faster in this test (e.g. resample with large filter).
Result:
05:54:44.000 os_core_win32. pjlib 0.9.0-trunk for win32 initialized MIPS test, with CPU=312Mhz, 400.0 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 223 0.022 0.09 8KHz conference bridge with 1 call 7645 0.765 3.06 8KHz conference bridge with 2 calls 13513 1.351 5.40 8KHz conference bridge with 4 calls 23714 2.371 9.49 8KHz conference bridge with 8 calls 43852 4.385 17.54 8KHz conference bridge with 16 calls 62205 6.220 24.88 8KHz upsample+downsample - linear 3706 0.371 1.48 8KHz upsample+downsample - small filter 45347 4.535 18.14 8KHz upsample+downsample - large filter 295105 29.510 118.04 8KHz WSOLA PLC - 0% loss 477 0.048 0.19 8KHz WSOLA PLC - 2% loss 557 0.056 0.22 8KHz WSOLA PLC - 5% loss 563 0.056 0.23 8KHz WSOLA PLC - 10% loss 894 0.089 0.36 8KHz WSOLA PLC - 20% loss 1653 0.165 0.66 8KHz WSOLA PLC - 50% loss 4591 0.459 1.84 8KHz WSOLA discard 2% excess 157 0.016 0.06 8KHz WSOLA discard 5% excess 410 0.041 0.16 8KHz WSOLA discard 10% excess 587 0.059 0.23 8KHz WSOLA discard 20% excess 953 0.095 0.38 8KHz WSOLA discard 50% excess 3309 0.331 1.32 8KHz echo canceller 100ms tail len 304226 30.423 121.69 8KHz echo canceller 128ms tail len 303622 30.362 121.44 8KHz echo canceller 200ms tail len 311213 31.121 124.48 8KHz echo canceller 256ms tail len 328946 32.895 131.57 8KHz echo canceller 400ms tail len 349967 34.997 139.98 8KHz echo canceller 500ms tail len 380970 38.097 152.38 8KHz echo canceller 512ms tail len 391733 39.173 156.69 8KHz echo canceller 600ms tail len 409381 40.938 163.75 8KHz echo canceller 800ms tail len 440756 44.076 176.30 8KHz tone generator with single freq 1420 0.142 0.57 8KHz tone generator with dual freq 2576 0.258 1.03 8KHz codec encode/decode - G.711 1549 0.155 0.62 8KHz codec encode/decode - GSM 64635 6.464 25.85 8KHz codec encode/decode - iLBC 6389367 638.937 2555.64 8KHz codec encode/decode - Speex 8Khz 349407 34.941 139.76 8KHz codec encode/decode - L16/8000/1 2610 0.261 1.04 8KHz stream TX/RX - G.711 5131 0.513 2.05 8KHz stream TX/RX - G.711 SRTP 32bit 12962 1.296 5.18 8KHz stream TX/RX - G.711 SRTP 32bit +auth 21958 2.196 8.78 8KHz stream TX/RX - G.711 SRTP 80bit 13017 1.302 5.21 8KHz stream TX/RX - G.711 SRTP 80bit +auth 22050 2.205 8.82 8KHz stream TX/RX - GSM 91707 9.171 36.68 8KHz stream TX/RX - GSM SRTP 32bit 98428 9.843 39.37 8KHz stream TX/RX - GSM SRTP 32bit + auth 105968 10.597 42.39 8KHz stream TX/RX - GSM SRTP 80bit 98289 9.829 39.31 8KHz stream TX/RX - GSM SRTP 80bit + auth 106072 10.607 42.43 16KHz get from memplayer 128 0.013 0.05 16KHz conference bridge with 1 call 8802 0.880 3.52 16KHz conference bridge with 2 calls 15742 1.574 6.30 16KHz conference bridge with 4 calls 29302 2.930 11.72 16KHz conference bridge with 8 calls 59364 5.936 23.74 16KHz conference bridge with 16 calls 127470 12.747 50.99 16KHz upsample+downsample - linear 7160 0.716 2.86 16KHz upsample+downsample - small filter 94963 9.496 37.98 16KHz upsample+downsample - large filter 587947 58.795 235.17 16KHz WSOLA PLC - 0% loss 630 0.063 0.25 16KHz WSOLA PLC - 2% loss 1115 0.112 0.45 16KHz WSOLA PLC - 5% loss 1367 0.137 0.55 16KHz WSOLA PLC - 10% loss 5167 0.517 2.07 16KHz WSOLA PLC - 20% loss 7275 0.728 2.91 16KHz WSOLA PLC - 50% loss 12988 1.299 5.19 16KHz WSOLA discard 2% excess 71 0.007 0.03 16KHz WSOLA discard 5% excess 333 0.033 0.13 16KHz WSOLA discard 10% excess 2094 0.209 0.84 16KHz WSOLA discard 20% excess 4164 0.416 1.67 16KHz WSOLA discard 50% excess 11057 1.106 4.42 16KHz echo canceller 100ms tail len 584349 58.435 233.73 16KHz echo canceller 128ms tail len 613118 61.312 245.24 16KHz echo canceller 200ms tail len 622998 62.300 249.19 16KHz echo canceller 256ms tail len 677070 67.707 270.82 16KHz echo canceller 400ms tail len 726984 72.698 290.78 16KHz echo canceller 500ms tail len 743772 74.377 297.50 16KHz echo canceller 512ms tail len 762680 76.268 305.06 16KHz echo canceller 600ms tail len 767136 76.714 306.84 16KHz echo canceller 800ms tail len 1244816 124.482 497.91 16KHz tone generator with single freq 2416 0.242 0.97 16KHz tone generator with dual freq 4819 0.482 1.93 16KHz codec encode/decode - G.722 98258 9.826 39.30 16KHz codec encode/decode - Speex 16Khz 680165 68.017 272.06 16KHz codec encode/decode - L16/16000/1 4994 0.499 2.00 16KHz stream TX/RX - G.722 102490 10.249 40.99
PJSIP-0.9.0, Linux, Pentium3, gcc
| Hardware: | IBM X21 Notebook |
| Platform: | Linux 2.6.23 |
| Processor: | Pentium III |
| Speed: | 700 MHz |
| Assumed MIPS: | 1895.6 MIPS |
| BogoMIPS: | 1395.36 |
| Compilation: | -O3 -march=pentium3 -fomit-frame-pointer -DNDEBUG |
| gcc: | version 4.2.3 |
Result:
02:01:45.561 os_core_unix.c pjlib 0.9.0-trunk for POSIX initialized MIPS test, with CPU=700Mhz, 1895.6 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 23 0.002 0.04 8KHz conference bridge with 1 call 800 0.080 1.52 8KHz conference bridge with 2 calls 1395 0.140 2.64 8KHz conference bridge with 4 calls 2522 0.252 4.78 8KHz conference bridge with 8 calls 4704 0.470 8.92 8KHz conference bridge with 16 calls 9146 0.915 17.34 8KHz upsample+downsample - linear 589 0.059 1.12 8KHz upsample+downsample - small filter 9563 0.956 18.13 8KHz upsample+downsample - large filter 46644 4.664 88.42 8KHz WSOLA PLC - 0% loss 107 0.011 0.20 8KHz WSOLA PLC - 2% loss 240 0.024 0.45 8KHz WSOLA PLC - 5% loss 466 0.047 0.88 8KHz WSOLA PLC - 10% loss 524 0.052 0.99 8KHz WSOLA PLC - 20% loss 958 0.096 1.82 8KHz WSOLA PLC - 50% loss 2667 0.267 5.06 8KHz WSOLA discard 2% excess 57 0.006 0.11 8KHz WSOLA discard 5% excess 142 0.014 0.27 8KHz WSOLA discard 10% excess 364 0.036 0.69 8KHz WSOLA discard 20% excess 631 0.063 1.20 8KHz WSOLA discard 50% excess 2081 0.208 3.94 8KHz echo canceller 100ms tail len 40050 4.005 75.92 8KHz echo canceller 128ms tail len 33179 3.318 62.89 8KHz echo canceller 200ms tail len 35161 3.516 66.65 8KHz echo canceller 256ms tail len 37470 3.747 71.03 8KHz echo canceller 400ms tail len 45104 4.510 85.50 8KHz echo canceller 500ms tail len 50504 5.050 95.74 8KHz echo canceller 512ms tail len 50940 5.094 96.56 8KHz echo canceller 600ms tail len 56113 5.611 106.37 8KHz echo canceller 800ms tail len 71677 7.168 135.87 8KHz tone generator with single freq 1758 0.176 3.33 8KHz tone generator with dual freq 3506 0.351 6.65 8KHz codec encode/decode - G.711 357 0.036 0.68 8KHz codec encode/decode - GSM 11382 1.138 21.58 8KHz codec encode/decode - iLBC 46894 4.689 88.89 8KHz codec encode/decode - Speex 8Khz 64428 6.443 122.13 8KHz codec encode/decode - L16/8000/1 248 0.025 0.47 8KHz stream TX/RX - G.711 617 0.062 1.17 8KHz stream TX/RX - G.711 SRTP 32bit 1751 0.175 3.32 8KHz stream TX/RX - G.711 SRTP 32bit +auth 3161 0.316 5.99 8KHz stream TX/RX - G.711 SRTP 80bit 1773 0.177 3.36 8KHz stream TX/RX - G.711 SRTP 80bit +auth 3108 0.311 5.89 8KHz stream TX/RX - GSM 11755 1.176 22.28 8KHz stream TX/RX - GSM SRTP 32bit 12439 1.244 23.58 8KHz stream TX/RX - GSM SRTP 32bit + auth 13285 1.329 25.18 8KHz stream TX/RX - GSM SRTP 80bit 12270 1.227 23.26 8KHz stream TX/RX - GSM SRTP 80bit + auth 13358 1.336 25.32 16KHz get from memplayer 27 0.003 0.05 16KHz conference bridge with 1 call 1522 0.152 2.89 16KHz conference bridge with 2 calls 2711 0.271 5.14 16KHz conference bridge with 4 calls 4772 0.477 9.05 16KHz conference bridge with 8 calls 8913 0.891 16.90 16KHz conference bridge with 16 calls 18759 1.876 35.56 16KHz upsample+downsample - linear 1136 0.114 2.15 16KHz upsample+downsample - small filter 19231 1.923 36.45 16KHz upsample+downsample - large filter 93066 9.307 176.42 16KHz WSOLA PLC - 0% loss 177 0.018 0.34 16KHz WSOLA PLC - 2% loss 534 0.053 1.01 16KHz WSOLA PLC - 5% loss 1165 0.116 2.21 16KHz WSOLA PLC - 10% loss 2796 0.280 5.30 16KHz WSOLA PLC - 20% loss 4515 0.451 8.56 16KHz WSOLA PLC - 50% loss 10482 1.048 19.87 16KHz WSOLA discard 2% excess 168 0.017 0.32 16KHz WSOLA discard 5% excess 326 0.033 0.62 16KHz WSOLA discard 10% excess 654 0.065 1.24 16KHz WSOLA discard 20% excess 3526 0.353 6.68 16KHz WSOLA discard 50% excess 7507 0.751 14.23 16KHz echo canceller 100ms tail len 68547 6.855 129.94 16KHz echo canceller 128ms tail len 72619 7.262 137.66 16KHz echo canceller 200ms tail len 78054 7.805 147.96 16KHz echo canceller 256ms tail len 84739 8.474 160.63 16KHz echo canceller 400ms tail len 107738 10.774 204.23 16KHz echo canceller 500ms tail len 129879 12.988 246.20 16KHz echo canceller 512ms tail len 133796 13.380 253.62 16KHz echo canceller 600ms tail len 152166 15.217 288.45 16KHz echo canceller 800ms tail len 205415 20.542 389.38 16KHz tone generator with single freq 3489 0.349 6.61 16KHz tone generator with dual freq 6996 0.700 13.26 16KHz codec encode/decode - G.722 32803 3.280 62.18 16KHz codec encode/decode - Speex 16Khz 156629 15.663 296.91 16KHz codec encode/decode - L16/16000/1 434 0.043 0.82 16KHz stream TX/RX - G.722 20959 2.096 39.73
PJSIP-0.9.0, Windows 2000, Pentium3, Visual C++ 2005
| Hardware: | IBM X21 Notebook |
| Platform: | Windows 2000 SP3 |
| Processor: | Pentium III |
| Speed: | 700 MHz |
| Assumed MIPS: | 1895.6 MIPS |
| BogoMIPS: | - |
| Compilation: | Default Release mode |
| Compiler: | Visual C++ 2005 |
Result:
15:18:06.721 os_core_win32. pjlib 0.9.0-trunk for win32 initialized MIPS test, with CPU=700Mhz, 1895.6 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 32 0.003 0.06 8KHz conference bridge with 1 call 1358 0.136 2.57 8KHz conference bridge with 2 calls 2164 0.216 4.10 8KHz conference bridge with 4 calls 3887 0.389 7.37 8KHz conference bridge with 8 calls 7291 0.729 13.82 8KHz conference bridge with 16 calls 14098 1.410 26.72 8KHz upsample+downsample - linear 1194 0.119 2.26 8KHz upsample+downsample - small filter 22243 2.224 42.16 8KHz upsample+downsample - large filter 101072 10.107 191.59 8KHz WSOLA PLC - 0% loss 187 0.019 0.35 8KHz WSOLA PLC - 2% loss 304 0.030 0.58 8KHz WSOLA PLC - 5% loss 647 0.065 1.23 8KHz WSOLA PLC - 10% loss 1125 0.112 2.13 8KHz WSOLA PLC - 20% loss 1452 0.145 2.75 8KHz WSOLA PLC - 50% loss 4230 0.423 8.02 8KHz WSOLA discard 2% excess 27 0.003 0.05 8KHz WSOLA discard 5% excess 161 0.016 0.31 8KHz WSOLA discard 10% excess 567 0.057 1.07 8KHz WSOLA discard 20% excess 903 0.090 1.71 8KHz WSOLA discard 50% excess 2931 0.293 5.56 8KHz echo canceller 100ms tail len 56454 5.645 107.01 8KHz echo canceller 128ms tail len 57805 5.780 109.58 8KHz echo canceller 200ms tail len 60698 6.070 115.06 8KHz echo canceller 256ms tail len 63832 6.383 121.00 8KHz echo canceller 400ms tail len 71578 7.158 135.68 8KHz echo canceller 500ms tail len 76887 7.689 145.75 8KHz echo canceller 512ms tail len 78265 7.826 148.36 8KHz echo canceller 600ms tail len 82767 8.277 156.89 8KHz echo canceller 800ms tail len 96976 9.698 183.83 8KHz tone generator with single freq 3151 0.315 5.97 8KHz tone generator with dual freq 5812 0.581 11.02 8KHz codec encode/decode - G.711 497 0.050 0.94 8KHz codec encode/decode - GSM 20364 2.036 38.60 8KHz codec encode/decode - iLBC 94382 9.438 178.91 8KHz codec encode/decode - Speex 8Khz 119001 11.900 225.58 8KHz codec encode/decode - L16/8000/1 944 0.094 1.79 8KHz stream TX/RX - G.711 928 0.093 1.76 8KHz stream TX/RX - G.711 SRTP 32bit 2372 0.237 4.50 8KHz stream TX/RX - G.711 SRTP 32bit +auth 4181 0.418 7.93 8KHz stream TX/RX - G.711 SRTP 80bit 2380 0.238 4.51 8KHz stream TX/RX - G.711 SRTP 80bit +auth 4186 0.419 7.93 8KHz stream TX/RX - GSM 21365 2.136 40.50 8KHz stream TX/RX - GSM SRTP 32bit 22069 2.207 41.83 8KHz stream TX/RX - GSM SRTP 32bit + auth 23227 2.323 44.03 8KHz stream TX/RX - GSM SRTP 80bit 22077 2.208 41.85 8KHz stream TX/RX - GSM SRTP 80bit + auth 23223 2.322 44.02 16KHz get from memplayer 39 0.004 0.07 16KHz conference bridge with 1 call 2692 0.269 5.10 16KHz conference bridge with 2 calls 4222 0.422 8.00 16KHz conference bridge with 4 calls 7487 0.749 14.19 16KHz conference bridge with 8 calls 13969 1.397 26.48 16KHz conference bridge with 16 calls 27026 2.703 51.23 16KHz upsample+downsample - linear 2323 0.232 4.40 16KHz upsample+downsample - small filter 44385 4.438 84.14 16KHz upsample+downsample - large filter 202334 20.233 383.54 16KHz WSOLA PLC - 0% loss 257 0.026 0.49 16KHz WSOLA PLC - 2% loss 2253 0.225 4.27 16KHz WSOLA PLC - 5% loss 763 0.076 1.45 16KHz WSOLA PLC - 10% loss 3265 0.326 6.19 16KHz WSOLA PLC - 20% loss 5994 0.599 11.36 16KHz WSOLA PLC - 50% loss 14935 1.493 28.31 16KHz WSOLA discard 2% excess 27 0.003 0.05 16KHz WSOLA discard 5% excess 520 0.052 0.99 16KHz WSOLA discard 10% excess 1765 0.176 3.35 16KHz WSOLA discard 20% excess 3255 0.326 6.17 16KHz WSOLA discard 50% excess 10756 1.076 20.39 16KHz echo canceller 100ms tail len 115632 11.563 219.19 16KHz echo canceller 128ms tail len 119961 11.996 227.40 16KHz echo canceller 200ms tail len 126901 12.690 240.55 16KHz echo canceller 256ms tail len 133028 13.303 252.17 16KHz echo canceller 400ms tail len 157148 15.715 297.89 16KHz echo canceller 500ms tail len 182438 18.244 345.83 16KHz echo canceller 512ms tail len 186894 18.689 354.28 16KHz echo canceller 600ms tail len 212014 21.201 401.89 16KHz echo canceller 800ms tail len 267639 26.764 507.34 16KHz tone generator with single freq 6209 0.621 11.77 16KHz tone generator with dual freq 11484 1.148 21.77 16KHz codec encode/decode - G.722 36735 3.674 69.63 16KHz codec encode/decode - Speex 16Khz 271141 27.114 513.97 16KHz codec encode/decode - L16/16000/1 1817 0.182 3.44 16KHz stream TX/RX - G.722 38036 3.804 72.10
PJSIP-0.9.0, Windows XP, Pentium 4, Visual Studio 2005
| Hardware: | HP PC |
| Platform: | Windows XP SP2 |
| Processor: | Pentium 4 (single core, no Hyper-Threading) |
| Speed: | 2.6 GHz |
| Assumed MIPS: | 8102 MIPS |
| BogoMIPS: | - |
| Compilation: | Default Release settings (/O2) |
| Compiler: | Visual Studio 2005 |
Result:
09:46:14.571 os_core_win32. pjlib 0.9.0-trunk for win32 initialized MIPS test, with CPU=2666Mhz, 8102.0 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 11 0.001 0.09 8KHz conference bridge with 1 call 337 0.034 2.73 8KHz conference bridge with 2 calls 512 0.051 4.15 8KHz conference bridge with 4 calls 919 0.092 7.45 8KHz conference bridge with 8 calls 1658 0.166 13.43 8KHz conference bridge with 16 calls 3180 0.318 25.76 8KHz upsample+downsample - linear 288 0.029 2.33 8KHz upsample+downsample - small filter 7822 0.782 63.37 8KHz upsample+downsample - large filter 38386 3.839 311.00 8KHz WSOLA PLC - 0% loss 53 0.005 0.43 8KHz WSOLA PLC - 2% loss 61 0.006 0.49 8KHz WSOLA PLC - 5% loss 103 0.010 0.83 8KHz WSOLA PLC - 10% loss 152 0.015 1.23 8KHz WSOLA PLC - 20% loss 195 0.020 1.58 8KHz WSOLA PLC - 50% loss 520 0.052 4.21 8KHz WSOLA discard 2% excess 8 0.001 0.06 8KHz WSOLA discard 5% excess 27 0.003 0.22 8KHz WSOLA discard 10% excess 74 0.007 0.60 8KHz WSOLA discard 20% excess 117 0.012 0.95 8KHz WSOLA discard 50% excess 370 0.037 3.00 8KHz echo canceller 100ms tail len 20945 2.095 169.70 8KHz echo canceller 128ms tail len 20484 2.048 165.96 8KHz echo canceller 200ms tail len 21017 2.102 170.28 8KHz echo canceller 256ms tail len 21562 2.156 174.69 8KHz echo canceller 400ms tail len 23030 2.303 186.59 8KHz echo canceller 500ms tail len 24102 2.410 195.27 8KHz echo canceller 512ms tail len 24441 2.444 198.02 8KHz echo canceller 600ms tail len 25380 2.538 205.63 8KHz echo canceller 800ms tail len 28751 2.875 232.94 8KHz tone generator with single freq 84 0.008 0.68 8KHz tone generator with dual freq 125 0.013 1.01 8KHz codec encode/decode - G.711 135 0.014 1.09 8KHz codec encode/decode - GSM 6898 0.690 55.89 8KHz codec encode/decode - iLBC 39783 3.978 322.32 8KHz codec encode/decode - Speex 8Khz 24543 2.454 198.85 8KHz codec encode/decode - L16/8000/1 161 0.016 1.30 8KHz stream TX/RX - G.711 298 0.030 2.41 8KHz stream TX/RX - G.711 SRTP 32bit 633 0.063 5.13 8KHz stream TX/RX - G.711 SRTP 32bit +auth 1063 0.106 8.61 8KHz stream TX/RX - G.711 SRTP 80bit 634 0.063 5.14 8KHz stream TX/RX - G.711 SRTP 80bit +auth 1066 0.107 8.64 8KHz stream TX/RX - GSM 7182 0.718 58.19 8KHz stream TX/RX - GSM SRTP 32bit 7353 0.735 59.57 8KHz stream TX/RX - GSM SRTP 32bit + auth 7693 0.769 62.33 8KHz stream TX/RX - GSM SRTP 80bit 7313 0.731 59.25 8KHz stream TX/RX - GSM SRTP 80bit + auth 7673 0.767 62.17 16KHz get from memplayer 8 0.001 0.06 16KHz conference bridge with 1 call 592 0.059 4.80 16KHz conference bridge with 2 calls 907 0.091 7.35 16KHz conference bridge with 4 calls 1620 0.162 13.13 16KHz conference bridge with 8 calls 3055 0.306 24.75 16KHz conference bridge with 16 calls 5799 0.580 46.98 16KHz upsample+downsample - linear 560 0.056 4.54 16KHz upsample+downsample - small filter 15505 1.551 125.62 16KHz upsample+downsample - large filter 76944 7.694 623.40 16KHz WSOLA PLC - 0% loss 52 0.005 0.42 16KHz WSOLA PLC - 2% loss 263 0.026 2.13 16KHz WSOLA PLC - 5% loss 113 0.011 0.92 16KHz WSOLA PLC - 10% loss 383 0.038 3.10 16KHz WSOLA PLC - 20% loss 742 0.074 6.01 16KHz WSOLA PLC - 50% loss 1757 0.176 14.24 16KHz WSOLA discard 2% excess 9 0.001 0.07 16KHz WSOLA discard 5% excess 69 0.007 0.56 16KHz WSOLA discard 10% excess 220 0.022 1.78 16KHz WSOLA discard 20% excess 403 0.040 3.27 16KHz WSOLA discard 50% excess 1301 0.130 10.54 16KHz echo canceller 100ms tail len 42084 4.208 340.96 16KHz echo canceller 128ms tail len 42697 4.270 345.93 16KHz echo canceller 200ms tail len 43782 4.378 354.72 16KHz echo canceller 256ms tail len 45008 4.501 364.65 16KHz echo canceller 400ms tail len 49519 4.952 401.20 16KHz echo canceller 500ms tail len 51945 5.194 420.86 16KHz echo canceller 512ms tail len 52492 5.249 425.29 16KHz echo canceller 600ms tail len 54984 5.498 445.48 16KHz echo canceller 800ms tail len 60065 6.006 486.65 16KHz tone generator with single freq 161 0.016 1.30 16KHz tone generator with dual freq 239 0.024 1.94 16KHz codec encode/decode - G.722 9354 0.935 75.79 16KHz codec encode/decode - Speex 16Khz 51086 5.109 413.90 16KHz codec encode/decode - L16/16000/1 304 0.030 2.46 16KHz stream TX/RX - G.722 9570 0.957 77.54
PJSIP-0.9.0, Windows Vista 64bit, AMD Phenom 9850, Visual Studio 2005
| Hardware: | Self-assembled |
| Platform: | Windows Vista 64bit SP1 |
| Processor: | AMD Phenom 9850 (quad core, with Hyper-Threading) |
| Speed: | 2.5 GHz |
| Assumed MIPS: | 8783.3 MIPS (per core) |
| BogoMIPS: | - |
| Compilation: | Default Release settings (/O2) |
| Compiler: | Visual Studio 2005 |
Result:
18:42:52.441 os_core_win32. pjlib 0.9.0-trunk for win32 initialized MIPS test, with CPU=2500Mhz, 8783.3 MIPS Clock Item Time CPU MIPS Rate (usec) (%) ---------------------------------------------------------------------- 8KHz get from memplayer 9 0.001 0.08 8KHz conference bridge with 1 call 452 0.045 3.97 8KHz conference bridge with 2 calls 780 0.078 6.85 8KHz conference bridge with 4 calls 1551 0.155 13.62 8KHz conference bridge with 8 calls 3117 0.312 27.38 8KHz conference bridge with 16 calls 6184 0.618 54.32 8KHz upsample+downsample - linear 348 0.035 3.06 8KHz upsample+downsample - small filter 7888 0.789 69.28 8KHz upsample+downsample - large filter 34632 3.463 304.18 8KHz WSOLA PLC - 0% loss 46 0.005 0.40 8KHz WSOLA PLC - 2% loss 79 0.008 0.69 8KHz WSOLA PLC - 5% loss 179 0.018 1.57 8KHz WSOLA PLC - 10% loss 316 0.032 2.78 8KHz WSOLA PLC - 20% loss 416 0.042 3.65 8KHz WSOLA PLC - 50% loss 1230 0.123 10.80 8KHz WSOLA discard 2% excess 10 0.001 0.09 8KHz WSOLA discard 5% excess 49 0.005 0.43 8KHz WSOLA discard 10% excess 166 0.017 1.46 8KHz WSOLA discard 20% excess 263 0.026 2.31 8KHz WSOLA discard 50% excess 849 0.085 7.46 8KHz echo canceller 100ms tail len 15281 1.528 134.22 8KHz echo canceller 128ms tail len 16319 1.632 143.33 8KHz echo canceller 200ms tail len 17098 1.710 150.18 8KHz echo canceller 256ms tail len 18079 1.808 158.79 8KHz echo canceller 400ms tail len 20356 2.036 178.79 8KHz echo canceller 500ms tail len 21685 2.168 190.46 8KHz echo canceller 512ms tail len 21992 2.199 193.16 8KHz echo canceller 600ms tail len 23288 2.329 204.54 8KHz echo canceller 800ms tail len 26313 2.631 231.11 8KHz tone generator with single freq 675 0.068 5.93 8KHz tone generator with dual freq 1320 0.132 11.59 8KHz codec encode/decode - G.711 161 0.016 1.41 8KHz codec encode/decode - GSM 6462 0.646 56.76 8KHz codec encode/decode - iLBC 40037 4.004 351.65 8KHz codec encode/decode - Speex 8Khz 23053 2.305 202.48 8KHz codec encode/decode - L16/8000/1 87 0.009 0.76 8KHz stream TX/RX - G.711 172 0.017 1.51 8KHz stream TX/RX - G.711 SRTP 32bit 461 0.046 4.05 8KHz stream TX/RX - G.711 SRTP 32bit +auth 701 0.070 6.16 8KHz stream TX/RX - G.711 SRTP 80bit 461 0.046 4.05 8KHz stream TX/RX - G.711 SRTP 80bit +auth 1342 0.134 11.79 8KHz stream TX/RX - GSM 6729 0.673 59.10 8KHz stream TX/RX - GSM SRTP 32bit 6965 0.697 61.18 8KHz stream TX/RX - GSM SRTP 32bit + auth 7320 0.732 64.29 8KHz stream TX/RX - GSM SRTP 80bit 6966 0.697 61.18 8KHz stream TX/RX - GSM SRTP 80bit + auth 7323 0.732 64.32 16KHz get from memplayer 7 0.001 0.06 16KHz conference bridge with 1 call 882 0.088 7.75 16KHz conference bridge with 2 calls 1514 0.151 13.30 16KHz conference bridge with 4 calls 2943 0.294 25.85 16KHz conference bridge with 8 calls 5747 0.575 50.48 16KHz conference bridge with 16 calls 11432 1.143 100.41 16KHz upsample+downsample - linear 672 0.067 5.90 16KHz upsample+downsample - small filter 15662 1.566 137.56 16KHz upsample+downsample - large filter 34666 3.467 304.48 16KHz WSOLA PLC - 0% loss 26 0.003 0.23 16KHz WSOLA PLC - 2% loss 315 0.032 2.77 16KHz WSOLA PLC - 5% loss 183 0.018 1.61 16KHz WSOLA PLC - 10% loss 927 0.093 8.14 16KHz WSOLA PLC - 20% loss 1716 0.172 15.07 16KHz WSOLA PLC - 50% loss 4321 0.432 37.95 16KHz WSOLA discard 2% excess 11 0.001 0.10 16KHz WSOLA discard 5% excess 156 0.016 1.37 16KHz WSOLA discard 10% excess 518 0.052 4.55 16KHz WSOLA discard 20% excess 952 0.095 8.36 16KHz WSOLA discard 50% excess 3117 0.312 27.38 16KHz echo canceller 100ms tail len 33300 3.330 292.48 16KHz echo canceller 128ms tail len 17047 1.705 149.73 16KHz echo canceller 200ms tail len 17643 1.764 154.96 16KHz echo canceller 256ms tail len 37227 3.723 326.97 16KHz echo canceller 400ms tail len 40963 4.096 359.79 16KHz echo canceller 500ms tail len 43948 4.395 386.01 16KHz echo canceller 512ms tail len 26078 2.608 229.05 16KHz echo canceller 600ms tail len 23438 2.344 205.86 16KHz echo canceller 800ms tail len 26229 2.623 230.38 16KHz tone generator with single freq 669 0.067 5.88 16KHz tone generator with dual freq 1323 0.132 11.62 16KHz codec encode/decode - G.722 10382 1.038 91.19 16KHz codec encode/decode - Speex 16Khz 55105 5.510 484.00 16KHz codec encode/decode - L16/16000/1 161 0.016 1.41 16KHz stream TX/RX - G.722 10755 1.076 94.46
