new icc kernel patch available (with kernel PGO)

new icc kernel patch available (with kernel PGO)

[ingo]

Hi,

v0.9.1: please check http://www.pyrillion.org/linuxkernelpatch.html for
a new kernel patch including kernel PGO (profile guided optimization)
support, covers 2.6.3 - 2.6.6 (please note: 2.6.3, 2.6.4 deprecated).

Next version (1.0) will include a MINIMAL (less invasive) patch to the
Linux kernel + another change of the toolchain, and PDF documentation.

Please try it and send comments, corrections, nice to have's for 1.0

w.k.r., ingo@pyrillion.org.

P.S. please cc me in responses to this msg. thx.

Re: new icc kernel patch available (with kernel PGO)

[Jan Dittmer]

Zitat von ingo@pyrillion.org:
> v0.9.1: please check http://www.pyrillion.org/linuxkernelpatch.html for
> a new kernel patch including kernel PGO (profile guided optimization)
> support, covers 2.6.3 - 2.6.6 (please note: 2.6.3, 2.6.4 deprecated).

Do you have any benchmark numbers that show any improvement?

Jan

--
j.dittmer@portrix.net

Re: new icc kernel patch available (with kernel PGO)

[Andi Kleen]

<ingo@pyrillion.org> writes:

> I published some preliminary results in the German Linux Magazine, which
> are copyrighted now. Sorry.
> Some hints: maximum performance gain approx. 40%, avg. perf. gain:
> approx. 8%; computed by LMBench+OProfile (accurate CPU cycle
> measurement, 10us timer resolution).

These were with profiling feedback, right? What training set did
you use for it?

-Andi