Linked by Thom Holwerda on Wed 2nd Apr 2008 18:04 UTC, submitted by Jeremy13
Benchmarks "Testing 64-bit performance is still a somewhat dicey proposition. Major benchmarks are either lacking, or don't work properly. For example, SYSmark 2007 simply doesn't run on a 64-bit OS (Vista or XP). And while there's now a 3ds Max 9 SPECapc benchmark, the benchmark crashes consistently with a scripting error before it completes when running on 3ds Max 9 64-bit under Vista 64-bit. On the other hand, there are more 64-bit applications and benchmarks now. That system-sapping game, Crysis, ships with a 64-bit client. 3ds Max 9, Lightwave 9, POV-Ray, and the Cinebench rendering benchmark all have 64-bit versions. Futuremark's PCMark Vantage offers a 64-bit version of that Vista-centric, synthetic test. On top of that, anyone using 64-bit Vista will still be running a lot of 32-bit applications. So we benchmarked some of those as well. Let's take a look at the benchmarks and test system."
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Comment by miles
by miles on Wed 2nd Apr 2008 21:41 UTC
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The tests are a bit questionable themselves.

Looking at the time it takes to render the Lightwave scene, the data must be so simple and small that it's not representative of real life numbers. I remember a comparison a couple of years ago where going from Lightwave 32bits to 64 bits in Win XP allowed x3 gains, going from 9 hours to 3 hours, and even though the freelance artist's scenes were intended for TV, I can't imagine 2008 shots would be simpler than what he was producing.

I'm not sure either it's Vista, or if Intel's version of amd64 isn't up to par with AMD's, but a comparison between i386 and amd64 Linux on an AMD CPU showed in average 20% gains with no noticeable slowdowns whatever the application.

Edited 2008-04-02 21:44 UTC

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