Re: ext3 performance inconsistencies, 2.4/2.6

[Linus Torvalds]

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

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/