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From "Xiao-Feng Li" <xiaofeng...@gmail.com>
Subject Re: [DRLVM][GC] (HARMONY-2398) patch for GCv5 alloc helper inlining
Date Mon, 11 Dec 2006 16:23:01 GMT
On 12/11/06, Mikhail Fursov <mike.fursov@gmail.com> wrote:
> On 12/11/06, Rana Dasgupta <rdasgupt@gmail.com> wrote:
> >
> > we are slower than RI because we don't use FS:14 to get TLS entry
> With helper inlined our allocation performance is better or equal to SUN1.5
> and significantly better then BEA1.5. Use config I sent above in this thread
> to reproduce the results. After Weldon commited H2500 not only allocation
> but monitors helpers too will become several times faster. I hope we enable
> helper inlining in default mode soon. Today it is enabled in server mode
> only.

Superb!  Thanks for the good work!


> + Inlined helpers solve not fs[14] problem, but inline runtime consts like
> GC data offsets instead of using of fields and variables. So helpers
> decrease number of cache misses.
> --
> Mikhail Fursov

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