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27th November 2002, 02:30 | #1 | Link |
anime DVD nut
Join Date: Oct 2001
Location: Ohio, USA
Posts: 86
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New VirtualDub (1.4.12) HT/SMP Tests
Okay, I just ran my standard encode twice with each version of VirtualDub. I made sure all the VirtualDub "Performance" and "Preference" settings were identical, as were the CODEC settings. I used fast recompress in both with the same AVS and D2V files.
Tests were run on my dual Intel Xeon 2.4ghz machine with hyperthreading enabled, 512mb of memory and a WD800JB drive (80gb, 7200rpm, 8mb cache). Doesn't look like the new VirtualDub does much for DivX encoding. I'm afraid we're limited by the speed of the DivX CODEC more than anything else. |
4th December 2002, 00:01 | #5 | Link |
Registered User
Join Date: Oct 2002
Posts: 15
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@hooz
I've heard the MPEG-4 encoding is multithreaded to a small extent but is there much to be gained with a dual processor config that already treats each processor as two logical processors (thats virutally four processors you got there) I mean you can ideally shunt system tasks off to one proc, and avisynth filter work to another (so I'm told, on dual processor configs vdub/codec work is done on one proc and it seems avisynth filter work is done on another judging by the cpu usage) but what will the other vitual processor be able to add? PS two things First off... LOVE your site. I plan on sounding off some ideas in your forums when I get the cash saved up for my first duallie. secondly... what was the contents of your avs file? what filters were used? |
11th December 2002, 04:50 | #6 | Link |
Registered User
Join Date: Jul 2002
Posts: 1
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I really did not see much a gain with the new p4 optimized Virtualdub.
I dont remember exact numbers, but nothing to jump up and down about. Nice page hooz, its cool to see that you are the guy behind 2cpu. Im a hardware freak too, but I like Divx as well. I tested on a p4 2.8 (no HT naturally), abit It7, 256 samsung pc2700. |
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