Mingming Cao <[email protected]> wrote:
>
> Tests done so far includes fsx,tiobench and dbench. The following
> numbers collected from Direct IO tests (1G file creation/read) shows
> the system time have been greatly reduced (more than 50% on my 8 cpu
> system) with the patches.
>
> 1G file DIO write:
> 2.6.15 2.6.15+patches
> real 0m31.275s 0m31.161s
> user 0m0.000s 0m0.000s
> sys 0m3.384s 0m0.564s
>
>
> 1G file DIO read:
> 2.6.15 2.6.15+patches
> real 0m30.733s 0m30.624s
> user 0m0.000s 0m0.004s
> sys 0m0.748s 0m0.380s
>
> Some previous test we did on buffered IO with using multiple blocks
> allocation and delayed allocation shows noticeable improvement on
> throughput and system time.
I'd be interested in seeing benchmark results for the common
allocate-one-block case - just normal old buffered IO without any
additional multiblock patches. Would they show any regression?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
