Segher Boessenkool wrote:
[snip...snip]
1% speedup is a nice optimization, and 2% slowdown is a serious performance regression.
22% slowdown is just awful...
Hello Segher,
no flame war please, i appreciate Your work :-) If you add "IMHO" to your statements, i will accept :-)
I only wanted to point out, that i have different needs than You.
My fastest and my slowest CPU differ by a factor of 1000 (100 000 % !) in speed. Why should _i_ waste my time to look for 22% ?
As all my computers live inside a machine in a production environment, the 3 most important items for me are reliability, reliability and reliability. A major influence on reliability is the amount of energy consumed, so what i am really interested in is a gcc-switch, which optimizes to minimum energy per task. A faster completion of a task only leads to longer idle periods :-)
Just my 2 EuroCents
Klaus
Please continue to look for 1% speedups, dont feel offenced, that i dont need them :-)
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