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[ Xbit ] Low-Performance of AMD Microprocessors May Be Conditioned by… Poor BIOS.

post #1 of 9
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Quote:
It looks like there is a way to boost performance of AMD microprocessors and accelerated processing units in applications that rely on old-school x87 processing. Performance is there, just push the button. But does this additional performance have any value in real life?

Advanced Micro Devices has received a fair amount of critics after its long-awaited Bulldozer micro-architecture and then its Piledriver successor failed to meet performance expectations. While with optimized software AMD’s multi-core central processing units do show decent speed, they still cannot fight against Intel Corp.’s premium offerings in demanding applications. As it turns out, not only software makers need to tweak their apps. With some BIOS tunings, Stilt, a performance enthusiast from Finland, has managed to significantly boost performance results of AMD Piledriver-based microprocessor in SuperPi benchmark.

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post #2 of 9
This was posted already http://www.overclock.net/t/1402792/hwbot-the-stilt-releases-bulldozer-conditioner-software-amd-superpi-history-to-be-re-written/50_50#post_20242891
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post #3 of 9
Not directly related but still relevant

my comment> Anyone who used FX procesors on Linux knows that they are actually very powerful and generally always crippled on the windows side for what ever reason (no buldozer fix is not real fix etc), while intel CPUs generally perform very well on both platforms. Its sad but it is true. This series is just plagued by terrible software support. Hopefully that will change in the future.
post #4 of 9
Darn I was hoping it would show a few more benchmarks/games. It would be nice to see a major improvement in something other than SuperPI. Wasnt software PhysX criticized for it's heavy reliance on x87 instructions? Maybe games that use software PhysX would benefit?:
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post #5 of 9
I would love to say sure.. but I doubt that. It only helped in SuperPI, and my bios (as I am sure many do) has a setting to increase the scores of such programs.
I'll put up a screen shot in a sec..
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post #6 of 9
That's only for x87 instructions... ah those news websites, always overhyping things.
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post #7 of 9
Quote:
Originally Posted by Stormscion View Post

Not directly related but still relevant

my comment> Anyone who used FX procesors on Linux knows that they are actually very powerful and generally always crippled on the windows side for what ever reason (no buldozer fix is not real fix etc), while intel CPUs generally perform very well on both platforms. Its sad but it is true. This series is just plagued by terrible software support. Hopefully that will change in the future.

Performs better on windows from using Intel's compiler?

Here's results compiled with GCC: http://www.mameui.info/Bench/Bench.htm
post #8 of 9
Quote:
Originally Posted by adridu59 View Post

That's only for x87 instructions... ah those news websites, always overhyping things.

PhysX, Skyrim.
post #9 of 9
Quote:
Originally Posted by A Bad Day View Post

PhysX, Skyrim.

Skyrim's been patched up in that regard.
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