By: bakaneko (nyan.delete@this.hyan.wan), April 20, 2012 11:37 am
Room: Moderated Discussions
bakaneko (nyan@hyan.wan) on 4/20/12 wrote:
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>I.S.T. (objectorbit@yahoo.com) on 4/19/12 wrote:
>---------------------------
>>I.S.T. (objectorbit@yahoo.com) on 4/19/12 wrote:
>>---------------------------
>>>http://www.phoronix.com/scan.php?page=article&item=amd_fx8150_compilers&num=1
>>
>>I find them a fair bit surprising. Not entirely, I expected it to get better with
>>better compilers tuned more to the oddness of Bulldozer, but not by this much.
>>
>>That said, it's still not what I'd call an overall good CPU. Does improve its standings
>>in some places, but those are typically the ones that Bulldozer was good at in the first place.
>
>It looks indeed crazy, but how much of it is related to the
>removal of 3dnow? Could be that using the same optimizations
>as for Intel processors gave it some nice boost. But I don't
>know, just a guess.
Or the much simpler explanation that the FPU doubled in the
amount of registers and better opcodes which made it
faster...
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>I.S.T. (objectorbit@yahoo.com) on 4/19/12 wrote:
>---------------------------
>>I.S.T. (objectorbit@yahoo.com) on 4/19/12 wrote:
>>---------------------------
>>>http://www.phoronix.com/scan.php?page=article&item=amd_fx8150_compilers&num=1
>>
>>I find them a fair bit surprising. Not entirely, I expected it to get better with
>>better compilers tuned more to the oddness of Bulldozer, but not by this much.
>>
>>That said, it's still not what I'd call an overall good CPU. Does improve its standings
>>in some places, but those are typically the ones that Bulldozer was good at in the first place.
>
>It looks indeed crazy, but how much of it is related to the
>removal of 3dnow? Could be that using the same optimizations
>as for Intel processors gave it some nice boost. But I don't
>know, just a guess.
Or the much simpler explanation that the FPU doubled in the
amount of registers and better opcodes which made it
faster...



