Re: GCC/CFLAGS Benchmark for HEAD and PHP_5_0

Hello Sterling, hello Sebastian, Monday, October 4, 2004, 9:18:47 PM, you wrote: > On Mon, 04 Oct 2004 15:05:04 -0400, Ilia Alshanetsky <ilia@prohost.org> wrote: >> Very interesting numbers, I'd like to second Marcus' request for a 4.3 >> benchmark. >> >> I was somewhat surprised by O2 and O1 being slower then Os, while O3 in >> some cases may end over optimizing which would it explain it's poor >> showing. However, it could be that it makes simple situations slower, >> while more complex operations that are generally more CPU intensive will >> in fact become faster. If you don't mind, could you please all include >> data for "time make test" as it seems to cover a much greater quantity >> of code. >> > Thies and I found the same thing when we did our patch. It relates to > the size of the executor loop that is generated, if you have too much > inlining you end up blowing your instruction cache. That means not using all opcodes could result in faster execution with the function based executor. Maybe sebastian could try that too? -- Best regards, Marcus mailto:helly@php.net