GCC Status Report (2004年09月13日) [--enable-mapped-location]

Thu Sep 16 19:02:00 GMT 2004

Matt Austern wrote:
> On Sep 16, 2004, at 11:46 AM, Mark Mitchell wrote:
>>> Per Bothner wrote:
>>>>>> Do you have any performance measurements with the option enabled at 
>>>> this point?
>>>>>>>>>>>> Nope. I'm hoping for others to provide those. And ideally help with
>>> performance profiling and tuning.
>>>>>> I think you should at least try for initial numbers on whatever 
>> machine you're using. Try compiling libstdc++, say, at least. If 
>> your patches aren't a performance win, they're not going to be 
>> terribly compelling; if they are a win, as expected, then that will 
>> make them much more compelling.
>>> Even if this patch doesn't show an immediate performance win, isn't 
> simplicity and the possibility of future improvements an argument in 
> its favor?

Yes, but not necessarily in Stage 3.
-- 
Mark Mitchell
CodeSourcery, LLC
(916) 791-8304
mark@codesourcery.com