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-   -   how FLOPS is calculated? (https://www.cfd-online.com/Forums/main/72936-how-flops-calculated.html)

gholamghar February 22, 2010 10:31
how FLOPS is calculated?
 
Hello
if someone gives us a pc and says :"calculate this pc's FLOPS"
how we can do that,the time taken by CPU to do a summation or a division is different sow how we can calculate a pc's flops?

jed February 23, 2010 10:33
Quote:
Originally Posted by gholamghar (Post 246904)
Hello
if someone gives us a pc and says :"calculate this pc's FLOPS"
how we can do that,the time taken by CPU to do a summation or a division is different sow how we can calculate a pc's flops?
Usually the number is for addition and multiplication, but bear in mind that the number is pretty much irrelevant since it is never attained (real operations are limited by memory and (less frequently) ILP and other on-chip issues).


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