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aoTuVbeta6.02
Anakunda
post Apr 29 2011, 10:55
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Hi, why aoTuVbeta6.02 Compiles are not available @ Rarewarez, could somebody so kind and made oggenc2 + dlls available to public, thankyou
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lvqcl
post May 5 2011, 19:38
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QUOTE (john33)
I've not tried fast=2, does that win you anything?

I just tested and it turns out that /fp:fast=2 is ~0.3% faster (IMHO it is within statistical error).

Destroid: can you patch oggenc2 from Rarewares with iccpatch utility (several are mentioned on this page) and test again?
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Destroid
post May 6 2011, 12:22
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QUOTE (lvqcl @ May 5 2011, 18:38) *
Destroid: can you patch oggenc2 from Rarewares with iccpatch utility (several are mentioned on this page) and test again?
I am sorry to inform that I have not tried compiling these encoders before.
But... I can concur with your some of your other benches:
QUOTE
My tests (Core2 Q9300 @2.5 GHz):
CODE
venc: 20.9x realtime
...
My compiles of oggenc2 without code from Lancer:
32-bit: 34.2x

If in regards to the ICL "bias" in disfavor of AMD, I'm not 100% sure if this is the case.

Would it be worth asking john33 like to attempt compiles of MSVC that used SSE/2? I thought the generic compile only ended at ASM (just an half-wit suggestion).

edit: lvqcl- just realized it is patch, not compiler thing, report back when later. Also, I seem to recall something about 'early' SSE2 vs. 'true' SSE2 instruction unsure.gif after all, this is early Athlon64 processor and dilapidated :\

edit2: quick test of iccpatch definitely improved Rarewares P4 compile on my AMD about 15-20 percent at default Vorbis rate -q 3 setting.

This post has been edited by Destroid: May 6 2011, 12:51


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Posts in this topic
- Anakunda   aoTuVbeta6.02   Apr 29 2011, 10:55
- - alter4   Do you mean 6.03?   Apr 29 2011, 11:01
- - Anakunda   sure, 6.03 it's couple of days   May 1 2011, 17:15
|- - Anakunda   QUOTE (Anakunda @ May 1 2011, 18:15) sure...   May 1 2011, 18:58
- - punkrockdude   I replace the oggenc2.exe from rarewares with your...   May 1 2011, 20:40
|- - Anakunda   QUOTE (punkrockdude @ May 1 2011, 21:40) ...   May 1 2011, 20:53
- - punkrockdude   Oh, I see. This Intel Centrino only has SSE2 I thi...   May 1 2011, 20:54
- - Anakunda   Ah so, If I get some positive confirmation about p...   May 1 2011, 20:57
- - punkrockdude   I just tried it on my Intel Q9550 with Windows 7 x...   May 1 2011, 21:10
|- - Anakunda   Just for the case I`ve made a more generic bui...   May 1 2011, 21:16
- - punkrockdude   The generic version worked on my Intel Centrino 1....   May 1 2011, 21:22
- - punkrockdude   By the way, thank you a lot for these builds! ...   May 1 2011, 21:27
- - punkrockdude   Is it a lot of work to make a SSE2 version. I do n...   May 1 2011, 21:32
|- - Anakunda   QUOTE (punkrockdude @ May 1 2011, 22:32) ...   May 1 2011, 21:45
|- - punkrockdude   QUOTE (Anakunda @ May 1 2011, 22:45) QUOT...   May 1 2011, 21:47
- - lvqcl   In the meantime you can test my compile. It doesn...   May 1 2011, 22:05
|- - john33   QUOTE (lvqcl @ May 1 2011, 22:05) In the ...   May 5 2011, 11:06
- - Destroid   Thanks for that. Tested SSE2 version on Athlon64 3...   May 3 2011, 10:08
- - Destroid   This test was for multiple reasons: a) to expand m...   May 3 2011, 19:18
|- - IgorC   Those were interesting numbers. QUOTE (Destroid ...   May 3 2011, 19:56
- - john33   A full set of beta6.03 compiles is now at Rareware...   May 4 2011, 15:47
- - Destroid   john33- I noticed your P4 compile is much slower t...   May 5 2011, 00:46
|- - john33   QUOTE (Destroid @ May 5 2011, 00:46) john...   May 5 2011, 09:54
- - IgorC   Ive experienced slow encoding speed too with rare...   May 5 2011, 03:00
- - Destroid   Great, it's the compiler. The Rarewares generi...   May 5 2011, 04:17
- - Anakunda   I have compared the speeds and lvqcl's oggenc ...   May 5 2011, 09:43
- - Anakunda   I have compared speeds of my test oggenc compile p...   May 5 2011, 11:49
- - Steve Forte Rio   Quick comparison (single thread): john33 (x64) - ...   May 5 2011, 13:02
- - lvqcl   Some SSE optimizations from Lancer code (for aoTuV...   May 5 2011, 17:59
|- - john33   QUOTE (lvqcl @ May 5 2011, 17:59) Some SS...   May 5 2011, 18:45
- - lvqcl   QUOTE (john33)I've not tried fast=2, does that...   May 5 2011, 19:38
|- - john33   QUOTE (lvqcl @ May 5 2011, 19:38) QUOTE (...   May 5 2011, 19:48
|- - Destroid   QUOTE (lvqcl @ May 5 2011, 18:38) Destroi...   May 6 2011, 12:22
- - _m_   QUOTE I just tested and it turns out that /fp:fast...   May 5 2011, 20:43
- - Destroid   Back with a new batch of test results. Same commen...   May 6 2011, 21:10
|- - lvqcl   QUOTE (Destroid @ May 7 2011, 00:10) CODE...   May 7 2011, 10:09
- - Destroid   I re-ran the Vorbis tests again, this time at -q2....   May 7 2011, 07:03


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