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...=gcc_46_llvm29&num=1 a few comments: (1) The smallpt benchmark uses openmp which dragonegg supports but clang does not. That's why on the machines with N processors the clang compiled binary takes N times as long as the others: it is only using one processor unlike the others. (2) On the Himeno benchmark dragonegg beats the pants off everyone else. But the benchmark was compiled at -O0 (no optimization!) so this is of no interest. (3) GraphicsMagick also uses openmp, see point (1). Ciao, Duncan.

[and copy to list] Jianzhou Zhao wrote: > Hi all, > > This talk includes the performance comparison between LLVM and GCC > (page 30/31): LLVM wins a lot for both compilation and execution time. > http://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.pdf > That talk and data were in 2008, I was wondering if there is any > updated performance evaluation between the latest LLVM and

...since they added notes about -O0 and openmp to one of their previous sets of benchmarks, probably because of feedback. They never seemed to realize that smallpt uses openmp though! I notice that they do have a note about openmp after the graphicsmagick benchmark, and don't report results for himeno (they were using -O0 for this before), so I guess that's progress. Ciao, Duncan. and (in this case) are testing on a micro architecture that only one of the compilers is tuned for. > > YMMV, but I consider their results to be complete garbage. It's nice to see Clang beating the p...

On Nov 3, 2011, at 3:27 AM, Duncan Sands wrote: > On 11/03/11 10:11, Rotem, Nadav wrote: >> And this one, with LLVM ~3.0: >> >> http://www.phoronix.com/scan.php?page=article&item=amd_bulldozer_compilers&num=1 > > What, no dragonegg?! :) It is worth pointing out that the methodology of Phoronix makes their results basically useless. They willfully test -O0

Hi all, This talk includes the performance comparison between LLVM and GCC (page 30/31): LLVM wins a lot for both compilation and execution time. http://llvm.org/pubs/2008-10-04-ACAT-LLVM-Intro.pdf That talk and data were in 2008, I was wondering if there is any updated performance evaluation between the latest LLVM and GCC? Thanks. -- Jianzhou

Hi! I am trying to enable multi-channel when the NIC support RSS(Receive Side Scaline) . I use tcpdump and wireshark to record packet that send by smbclient and windows 11 client. There is no multi-channel phenomenon when using smbclient, but when using the windows client, I observed that the samba server opened an extra port to transmit data. I think this is the phenomenon of multi-channel