Messages in this thread | | | Date | Tue, 4 Nov 2003 15:56:28 -0800 (PST) | From | Linus Torvalds <> | Subject | Re: ext3 performance inconsistencies, 2.4/2.6 |
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On Tue, 4 Nov 2003, Ulrich Drepper wrote: > > This was, I think, the result of one of the last changes in the locking > code where the libc side wasn't updated correctly. I've done this and > this is what I see:
Goodie.
> drepper@ht 20031104-2$ time ./u > /dev/null > real 0m1.272s > user 0m1.270s > sys 0m0.000s > > drepper@ht 20031104-2$ time LD_ASSUME_KERNEL=2.4.1 ./u > /dev/null > real 0m0.316s > user 0m0.320s > sys 0m0.000s > > drepper@ht 20031104-2$ time LD_LIBRARY_PATH=. ./u > /dev/null > real 0m0.207s > user 0m0.210s > sys 0m0.000s > > The first is the old nptl code, the second LinuxThreads, the third the > current nptl code.
Now _that_ looks a hell of a lot better. Thanks.
Linus
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