By: Groo (charlie.delete@this.semiaccurate.com), November 18, 2010 2:28 pm
Room: Moderated Discussions
someone (someone@somewhere.com) on 11/17/10 wrote:
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>It burns a lot of power using hundreds of thousands of
>logic transistors re-discovering something about a scrap
>of code every single loop iteration or subroutine call for
>every execution of all copies of program that one compiler
>need only to discern once. Everything can't be discovered
>at compile time but it is stupid to ignore that which can
>be and then passed on using a suitable equipped ISA.
How much power does a cache miss or a stall consume?
-Charlie
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>It burns a lot of power using hundreds of thousands of
>logic transistors re-discovering something about a scrap
>of code every single loop iteration or subroutine call for
>every execution of all copies of program that one compiler
>need only to discern once. Everything can't be discovered
>at compile time but it is stupid to ignore that which can
>be and then passed on using a suitable equipped ISA.
How much power does a cache miss or a stall consume?
-Charlie
