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Some performance comparision between x86 and x64 Windows-based apps

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Crunch3r:

--- Quote from: Raistmer on 18 Aug 2007, 02:51:11 pm ---Great news! Will await new 64-bit app :)
BTW, here is a "flawless victory" ;) for 64-bit app on real long WU. As one can see both hosts are using optimized application, and my core2 duo @2.13 MHz slightly outperforms more faster
Core2 Quad CPU @ 2.40GHz
http://setiathome.berkeley.edu/workunit.php?wuid=148428035
Both are running Windows.
Some info about comparision of highly optimized app under Windows and Linux would be very interesting. Havent some modern Linux installation to do such tests right now, maybe someone can perform such comparision?

2 michael37 Your listing is probably not for WU-1 cause it contains no spikes AFAIK. Could you post elapsed time for test WU-1 calculation on your system (with different 2.4 apps or with fastets one at leat) ?

--- End quote ---

Now only thing left is someone to do the math on how much faster that is ... i'm to lazy to do that.... anyone helping me out ?

Raistmer:
Comparision of 2.4 versions from this site and Crunch3r's site (http://calbe.dw70.de/seti.html)
SSE2 AMD version on AMD 64 Winchester, x86 mode:
KWSN_2.4_SSE2-AMD_MB.exe   Win2003 x86   382
KWSN_2.4_MB_SSE2A (Crunch3r)   Win2003 x86   377
(about 2% speedup)

SSSE3 x64 on Core2 Duo , x64 mode:
KWSN_2.4_SSSE3_IPP_Ben-Joe   Win2003 x64   223
KWSN_2.4_SSSE3_IPP_Ben-Joe (Crunch3r)   Win2003 x64   229
slowdown :(
BTW, these 2 apps have identical filenames, but different file sizes.

Quick timetable

WU : testWU-1.wu
KWSN_2.4_SSSE3_IPP_Ben-Joe.exe : 234 seconds
KWSN_2.4_MB_SSE2(Crunch3r).exe : 236 seconds
Speedup: -0.85%, Ratio: 0.99 x
KWSN_2.4_MB_SSE2A(Crunch3r).exe : 228 seconds
Speedup: 2.56%, Ratio: 1.03 x
KWSN_2.4_MB_SSE3(Crunch3r).exe : 227 seconds
Speedup: 2.99%, Ratio: 1.03 x
KWSN_2.4_MB_SSSE3(Crunch3r).exe : 232 seconds
Speedup: 0.85%, Ratio: 1.01 x
KWSN_2.4_SSE2_IPP_Ben-Joe(Crunch3r).exe : 237 seconds
Speedup: -1.28%, Ratio: 0.99 x
KWSN_2.4_SSE3_IPP_Ben-Joe(Crunch3r).exe : 246 seconds
Speedup: -5.13%, Ratio: 0.95 x

Results for the same app with same WU differs 223 and 234 sec, both were obtained many times. And no intermediate variants.
But in single run it seems new x86 SSE3 variant is the best one.

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Raistmer:
Athlon 64 3200 (Winchester)
Quick timetable

WU : testWU-1.wu
KWSN_2.4_SSE2-AMD_MB.exe : 380 seconds
KWSN_2.4_MB_SSE2A.exe : 377 seconds
Speedup: 0.79%, Ratio: 1.01 x
KWSN_2.4V_SSE2_MB.exe : 377 seconds
Speedup: 0.79%, Ratio: 1.01 x
No noticable speedup in "V"-version of SSE2 for AMD variant.

Athlon XP 2400
Quick timetable

WU : testWU-1.wu
KWSN_2.4_SSE_MB.exe : 822 seconds
KWSN_2.4_SSE_MB.exe : 824 seconds
Speedup: -0.24%, Ratio: 1.00 x
KWSN_2.4V_SSE_MB.exe : 820 seconds
Speedup: 0.24%, Ratio: 1.00 x
Again, no noticeable speedup from new version

Raistmer:
AMD Athlon(tm) 64 X2 Dual Core Processor 5400+ Windsor (Win x64)
Quick timetable
 
WU : testWU-1.wu
KWSN_2.4_SSE2-AMD_MB.exe : 278 seconds
KWSN_2.4_MB_SSE2A.exe : 274 seconds
Speedup: 1.44%, Ratio: 1.01 x
KWSN_2.4_SSE2_IPP_Ben-Joe.exe : 376 seconds
Speedup: -35.25%, Ratio: 0.74 x
KWSN_2.4_SSE2-AMD_MB.exe : 277 seconds
Speedup: 0.36%, Ratio: 1.00 x
KWSN_2.4V_SSE2_MB.exe : 276 seconds
Speedup: 0.72%, Ratio: 1.01 x
It seems 64-bit version slower (as on another Athlons with this WU at least) :(


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