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28th April 2020, 00:15 | #1421 | Link |
Join Date: Mar 2006
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Maybe it's my oldish mobo (P8P67) with PCI Express 2.0 slot.
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28th April 2020, 00:42 | #1423 | Link |
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Decoding 4K HEVC (SonyCamp4K) I get 155 fps with DGDecNV. 1080p H.264 is ~ 500 fps. That seems pretty fast.
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28th April 2020, 01:05 | #1424 | Link | |
47.952fps@71.928Hz
Join Date: Mar 2011
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Quote:
The 1060 is a nice upgrade over my 750ti.
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Win10 (x64) build 19041 NVIDIA GeForce GTX 1060 3GB (GP106) 3071MB/GDDR5 | (r435_95-4) NTSC | DVD: R1 | BD: A AMD Ryzen 5 2600 @3.4GHz (6c/12th, I'm on AVX2 now!)
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28th April 2020, 02:31 | #1426 | Link |
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Which is 6-7 times the price of the 1660.
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28th April 2020, 08:15 | #1429 | Link | |
Pig on the wing
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Location: Finland
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Quote:
RAM is not too expensive either, the speed won't matter much when encoding.
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And if the band you're in starts playing different tunes I'll see you on the dark side of the Moon... |
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28th April 2020, 09:07 | #1432 | Link | |
Pig on the wing
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Quote:
https://forum.doom9.org/showthread.php?t=174393&page=2 shows nicely how big the difference is. A 32-thread 1950X scored 4.26 for AVX2 and a stock 3900X (24 threads) got 5.51.
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And if the band you're in starts playing different tunes I'll see you on the dark side of the Moon... |
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28th April 2020, 10:06 | #1434 | Link | |
Acid fr0g
Join Date: May 2002
Location: Italy
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Quote:
By SIMDjson benchmark, it was shown that Intel has more AVX2 IPC than Zen2. Apart from that, the higher core count could nullify that penalty. Zen3 should come across that and introduce AVX512 too.
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@turment on Telegram Last edited by tormento; 28th April 2020 at 10:08. |
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28th April 2020, 10:33 | #1435 | Link | |
結城有紀
Join Date: Dec 2003
Location: NJ; OR; Shanghai
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Quote:
CPU pipelines, instruction order, cache size, even picking one instruction over another, can make a lot difference. |
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28th April 2020, 10:44 | #1437 | Link |
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Conversation is getting a bit off-topic...
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28th April 2020, 23:14 | #1438 | Link |
結城有紀
Join Date: Dec 2003
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A highly optimized library wouldn't use a neutral flag. Also there's no neutral flag. If you have Intel CPU then all you can do is make sure your program runs fastest on that Intel CPU. If later AMD CPU appears and has different characteristics, likely some of the previous optimization won't make it as fast as on Intel CPU.
One example would be Intel has avx down clocking. So to reduce the chance of that you can carefully reduce the amount of heavy avx computing, and let CPU stay on light load frequency (higher frequency). But AMD doesn't have avx down clocking so the best thing to do is give it all the heavy lifting as much as possible. Intel compiler for example when compiling avx 512, will take the down clocking in to account, and emit code that is not too hard for the CPU, so it won't run too fast to run slow (lol) but if AMD comes with 512 some day and it does not clock down, then when it runs the same binary it would not use its 100% potential. |
27th May 2020, 12:58 | #1440 | Link |
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Join Date: Nov 2019
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After I updated some filters (yadifmod2-0.2.4,SangNom2-0.5.0,DCTFilter-0.5.1,vsMSharpen-2.0.0,MatchHistogram-2.1.0,TMM2-0.1.4,CombMask-2.0.0 and MPEG2DecPlus-0.1.2),my QTGMC 3.364 got error and warned me that "KNLMeans.dll cannot be used as a plugin for Avisynth".
I don't know which filter caused it. |
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