Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

2011-03-11 Thread Poul-Henning Kamp
In message <4d7a42cc.8020...@freebsd.org>, Martin Matuska writes: >But what I can say, e.g. for the Intel Atom processor, if there are >performance gains in all but one test (that falls 2% behind), generic >perl code (the routines benchmarked) on this processor is very likely to >run faster with t

Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

2011-03-11 Thread Martin Matuska
I don't take this personally and fully understand your point. But even if all conditions you described are met, I am still not able to say "this is better" as I am not doing a microbenchmark. The +x% score is just an average of all test scores weightened by factor 1 - this does not reflect any rea

Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

2011-03-11 Thread Alexander Leidinger
Quoting Martin Matuska (from Thu, 10 Mar 2011 22:33:37 +0100): Hi everyone, we have performed a benchmark of the perl binary compiled with base gcc, ports gcc and ports clang using the perlbench benchmark suite. Our benchmark was performed solely on amd64 with 10 different processors and we

Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

2011-03-11 Thread Poul-Henning Kamp
In message <4d7943b1.1030...@freebsd.org>, Martin Matuska writes: >More information, detailed test results and test configuration are at >our blog: >http://blog.vx.sk/archives/25-FreeBSD-Compiler-Benchmark-gcc-base-vs-gcc-ports-vs-clang.html Please don't take this personally Martin, but you have

Re: FreeBSD Compiler Benchmark: gcc-base vs. gcc-ports vs. clang

2011-03-11 Thread Kostik Belousov
On Thu, Mar 10, 2011 at 10:33:37PM +0100, Martin Matuska wrote: > Hi everyone, > > we have performed a benchmark of the perl binary compiled with base gcc, > ports gcc and ports clang using the perlbench benchmark suite. > Our benchmark was performed solely on amd64 with 10 different processors >