Re: [Valgrind-developers] [PATCH/RFC] Get rid of huge ugly macro

[Josef W. <Jos...@gm...>]

On 24.11.2011 12:29, Julian Seward wrote:
>> Hmm.. as I don't want a switch statement for these special cases in
>> every simulator call, but already want this worked out at instrumentation
>> time, this results in a lot of different dirty helpers. I need to play
>> with that.
> Well, I was not thinking of having switches once per sim call, rather
> jitting calls to specialised versions.
Ok. Still, lots of helpers.

> If you're worried about getting too many mispredicts, you might like
> to use cachegrind (or callgrind) to profile callgrind; could be useful.
;-)

>> Anyway, it should be easy to just make a special case for my Core i5
>> laptop, and see if there is any benefit at all.
> +1 for that plan.

Unfortunately, special casing the simulator for specific
cache parameters was not really giving me a visible speedup.
So I did not investigate further. See another mail on
experiments with direct instrumentation.

Josef