On 5/18/05, Hubert Chan <[EMAIL PROTECTED]> wrote: > Well, I'm trying to compare the single-threaded libgc against the stock > libgc that is in Debian, so for my baseline, I'm not going to do > anything that Ryan doesn't do in his package (other than, of course, > static linking, to make the comparison fair).
Looks to me like THREAD_LOCAL_ALLOC is the major culprit. May I suggest that you try hacking the following lines out of configure: in 6.3-1, 3941-3944; or in 6.4-1, 3942-3945. This will get you a build with POSIX thread safety but no thread-local free lists (known to have side effects that are a performance hit on uniprocessors). Benchmark with that, and see what proportion of the lost performance is restored. Cheers, - Michael
