[PATCH] New JIT APIs (ORC)

Lang Hames lhames at gmail.com
Tue Jan 20 20:15:57 PST 2015


Ok: It was 21s for the -O3 -flto statically compiled binary, vs 28s for
lazily executing the *.o files from the same build. Yep - good start.

- Lang.

On Tue, Jan 20, 2015 at 6:50 PM, Lang Hames <lhames at gmail.com> wrote:

> Oops...
>
> > It's not directly related to your question, but I thought it was a neat
> statistic (and it provides a loose bound on this): Using lazydemo built
> with Debug+Asserts to lazily execute 401.bzip2 took 27s on my machine, vs
> 20s for a statically compiled -O2 binary. Given that that includes the full
> IR optimization/codegen/JIT overhead, and precludes any serious
> optimization of the program, that's a pretty good.
>
> Actually, don't get too excited - that was probably an -O0 binary. I'll
> double check when I get home in 30 mins or so.
>
> Cheers,
> Lang.
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