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A faster Windows mppenc 1.15v
CiTay
post Jun 29 2005, 15:49
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Seed writes:

QUOTE
We've replaced the 1.15v encoder for Windows with a faster compile that's been tested with many tracks and it proved to produce identical files to the older mppenc. Speed tests show between 5% and 14% of speedup on a variety of CPUs. Tests were carried out on:

Celeron 333
Pentium M (Dothan)
Pentium 4 (Northwood)
Xeon

Athlon
Thunderbird
Athlon XP
Athlon 64 (Clawhammer, Newcastle, Venice)


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rjamorim
post Jun 29 2005, 20:20
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What changed? ICL? Visual Studio with processor pack? Different compiler switches?


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CiTay
post Jun 29 2005, 20:40
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QUOTE (rjamorim @ Jun 29 2005, 09:20 PM)
What changed? ICL? Visual Studio with processor pack? Different compiler switches?
*


MSVC 8.


P.S., speeds with --quality 5 on a P4 2.6C:

1.15v old: 18.7x

1.15v new: 20.4x

9% speed increase
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ilikedirtthe2nd
post Jun 29 2005, 20:51
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'bout 6 % speedup on my System (AMD XP 1800+), nice smile.gif

ps: old 14.0x new 14.9x

This post has been edited by ilikedirtthe2nd: Jun 29 2005, 20:51
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Societal Eclipse
post Jun 29 2005, 22:44
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I'll be able to take advantage of this as soon as Amazon sends me the CDs they've delayed for three months. mad.gif


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mtm
post Jun 29 2005, 22:57
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AthlonXP 1700+: 12.26x vs 13.40x. Over 9% faster. biggrin.gif


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