Here is an output of something similar with 4 vCPUs: OSv v0.55.0-121-g3e898f4d eth0: 192.168.122.15 Booted up in 170.53 ms Cmdline: /ffmpeg.so -i http://clips.vorwaerts-gmbh.de/VfE_html5.mp4 -c:v libx265 -crf 28 -an -f mpegts tcp://192.168.122.1:12345 ffmpeg version 4.2 Copyright (c) 2000-2019 the FFmpeg developers built with gcc 8 (Ubuntu 8.3.0-6ubuntu1) configuration: --disable-all --enable-ffmpeg --enable-small --enable-avcodec --enable-avformat --enable-avfilter --enable-swresample --enable-swscale --enable-decoder='h264,h265' --enable-encoder='rawvideo,libx264,libx265,png' --enable-parser='h264,h265' --enable-protocol='file,http' --enable-demuxer=mov --enable-muxer='rawvideo,mp4,mpegts,image2' --enable-filter=scale --enable-libx264 --enable-libx265 --enable-gpl libavutil 56. 31.100 / 56. 31.100 libavcodec 58. 54.100 / 58. 54.100 libavformat 58. 29.100 / 58. 29.100 libavfilter 7. 57.100 / 7. 57.100 libswscale 5. 5.100 / 5. 5.100 libswresample 3. 5.100 / 3. 5.100 Guessed Channel Layout for Input Stream #0.1 : mono Input #0, mov,mp4,m4a,3gp,3g2,mj2, from ' http://clips.vorwaerts-gmbh.de/VfE_html5.mp4': Metadata: major_brand : mp42 minor_version : 1 compatible_brands: mp42avc1 creation_time : 2011-03-16T10:41:51.000000Z Duration: 00:01:00.08, start: 0.000000, bitrate: 699 kb/s Stream #0:0(eng): Video: h264 (avc1 / 0x31637661), yuv420p(tv, smpte170m/smpte170m/bt709), 640x360, 633 kb/s, 24.04 fps, 24.04 tbr, 2500 tbn, 5k tbc (default) Metadata: creation_time : 2011-03-16T10:41:52.000000Z handler_name : Apple Video Media Handler Stream #0:1(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, 62 kb/s (default) Metadata: creation_time : 2011-03-16T10:41:53.000000Z handler_name : Apple Sound Media Handler Stream mapping: Stream #0:0 -> #0:0 (h264 (native) -> hevc (libx265)) Press [q] to stop, [?] for help x265 [info]: HEVC encoder version 2.9 x265 [info]: build info [Linux][GCC 8.2.0][64 bit] 8bit+10bit+12bit x265 [info]: using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX FMA3 BMI2 AVX2 x265 [info]: Main profile, Level-2.1 (Main tier) x265 [info]: Thread pool created using 4 threads x265 [info]: Slices : 1 x265 [info]: frame threads / pool features : 2 / wpp(6 rows) x265 [warning]: Source height < 720p; disabling lookahead-slices x265 [info]: Coding QT: max CU size, min CU size : 64 / 8 x265 [info]: Residual QT: max TU size, max depth : 32 / 1 inter / 1 intra x265 [info]: ME / range / subpel / merge : hex / 57 / 2 / 2 x265 [info]: Keyframe min / max / scenecut / bias: 24 / 250 / 40 / 5.00 x265 [info]: Lookahead / bframes / badapt : 20 / 4 / 2 x265 [info]: b-pyramid / weightp / weightb : 1 / 1 / 0 x265 [info]: References / ref-limit cu / depth : 3 / on / on x265 [info]: AQ: mode / str / qg-size / cu-tree : 1 / 1.0 / 32 / 1 x265 [info]: Rate Control / qCompress : CRF-28.0 / 0.60 x265 [info]: tools: rd=3 psy-rd=2.00 rskip signhide tmvp strong-intra-smoothing x265 [info]: tools: deblock sao Output #0, mpegts, to 'tcp://192.168.122.1:12345': Metadata: major_brand : mp42 minor_version : 1 compatible_brands: mp42avc1 encoder : Lavf58.29.100 Stream #0:0(eng): Video: hevc (libx265), yuv420p, 640x360, q=2-31, 24.04 fps, 90k tbn, 24.04 tbc (default) Metadata: creation_time : 2011-03-16T10:41:52.000000Z handler_name : Apple Video Media Handler encoder : Lavc58.54.100 libx265 Side data: cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1 Input #0, mpegts, from 'tcp://0.0.0.0:12345?listen': Duration: N/A, start: 1.483200, bitrate: N/A Program 1 Metadata: service_name : Service01 service_provider: FFmpeg Stream #0:0[0x100]: Video: hevc (Main) (HEVC / 0x43564548), yuv420p(tv), 640x360, 24 fps, 24.04 tbr, 90k tbn, 24.04 tbc Output #0, mp4, to '/tmp/test.mp4': Metadata: encoder : Lavf58.45.100 Stream #0:0: Video: hevc (Main) (hev1 / 0x31766568), yuv420p(tv), 640x360, q=2-31, 24 fps, 24.04 tbr, 90k tbn, 90k tbc Stream mapping: Stream #0:0 -> #0:0 (copy) Press [q] to stop, [?] for help frame= 1445 fps=102 q=-0.0 Lsize= 2120kB time=00:00:59.98 bitrate= 289.5kbits/s speed=4.22x video:1797kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 17.960039% frame= 1445 fps=116 q=-1.0 Lsize= 1825kB time=00:00:59.98 bitrate= 249.2kbits/s speed=4.81x video:1807kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.998210% x265 [info]: frame I: 10, Avg QP:26.05 kb/s: 3621.02 x265 [info]: frame P: 480, Avg QP:28.24 kb/s: 562.45 x265 [info]: frame B: 955, Avg QP:35.16 kb/s: 45.17 x265 [info]: Weighted P-Frames: Y:5.0% UV:3.3% x265 [info]: consecutive B-frames: 31.8% 6.5% 9.4% 39.4% 12.9%
encoded 1445 frames in 14.19s (101.84 fps), 241.74 kb/s, Avg QP:32.80 Please note a line about a thread pool with 4 threads. Can you show us yours? As Dor suggested, it would be nice to start with 1 vCPU and see a difference and then move on from that. Waldek On Fri, Feb 12, 2021 at 6:45 AM Vincent de vries <[email protected]> wrote: > > Hi, > > I performed some benchmarks comparing OSv to containers and general > purpose OSs running under a hypervisor. Particularly, I carried out an > ffmpeg benchmark that re-encodes a 30mb video from h.264 to h.265 using 16 > threads with 16vCPUs. The results show that roughly all platforms perform > equal, the exception being OSv (which takes ~1.4x longer). > > I also performed another CPU-bound benchmark that simply checks whether > numbers are prime -- in this case, OSv performs equal to the other > platforms. > > What could be the reason for the slowdown with ffmpeg? I can think of > either something thread related, or perhaps OSv is not able to use special > CPU instructions to its full potential (e.g. AVX). Or maybe OSv simply does > not fare that well with 16 vCPUs? > > Best regards, > Vincent > > -- > You received this message because you are subscribed to the Google Groups > "OSv Development" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/osv-dev/e8b49bf2-b4a4-4b91-a2b1-1f6348f4735bn%40googlegroups.com > <https://groups.google.com/d/msgid/osv-dev/e8b49bf2-b4a4-4b91-a2b1-1f6348f4735bn%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "OSv Development" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/osv-dev/CAL9cFfOpOE67s7r0Q%2BCyc0%3DC3iuVZVDpR9MhzfbYLUgxJyTgkQ%40mail.gmail.com.
