Sabertooth
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- Sep 8, 2007
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The upcoming version of CloneBD will support various GPU acceleration modes.
I've run some benchmarks with an internal test version, that Elby provided us with:
- Test bed: Intel i7-6700 with integrated Intel HD 530 GPU
- Source and destination both SSD to reduce I/O impact on speed
- AVC 1080p to MKV 1080p (compressed down to ~75%), 1:59h video duration
- "conventional" transcoding in software mode:
92 fps average @ 90% CPU, total duration: 31 min
- acceleration with on-board Intel HD530:
209 fps @ 24% CPU, total duration: 13 min
- acceleration with nVidia GeForce GT 740:
123 fps @ 7% CPU, total duration: 23 min
- acceleration with nVidia GeForce GTX 950:
308 fps @ 17% CPU, total duration: 9 minutes!
I'm looking forward to testing between my Intel Broadwell i7-6950x and Zotac nVidia Geforce GTX 1080 Amp Edition. I just hope the HEVC crash I'm having gets fixed also. Here's some conversion data for the Broadwell with 20 threads for comparison:
- Test bed: Intel 17-6950x with no integrated graphics, Zotac Geforce GTX 1080 Amp Edition
- Source and destination: Samsung 950 Pro NVMe m.2 512 GB OS/Boot SSD
- AVC 1080p/TrueHD to MKV 1080p .264/AAC vbr target 3.40 mbps, 31.81 GB to 2.77 GB. 1:37:23 duration, 140093 frames total
- conventional transcoding
316.24 frames/sec @81% CPU, total duration: 7:23, peak frames conversion rate in content to 336 fps and in titles to 377 fps
Edit: I may be running in to a bottleneck with the SSD not keeping up, a limitation in the software or some other issue as I can't seem to get a better rate no matter from what SSD to what SSD I use including the considerably slower Mushkin Eco SATA 3 to Intel SATA 3 non-OS/boot SSD's that completed in 7:24 also at 81% CPU utilization. Wish I had another m.2 non-OS/Boot SSD to test.
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