Re: [boost] [xpressive] Performance Tuning?

Subject: Re: [boost] [xpressive] Performance Tuning?
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2009-07-17 20:35:24

On Fri, Jul 17, 2009 at 5:51 PM, Eric Niebler<eric_at_[hidden]> wrote:
> OvermindDL1 wrote:
>>
>> On Fri, Jul 17, 2009 at 5:10 PM, <raindog_at_[hidden]> wrote:
>>>
>>> I would be very interested in seeing this too as your numbers look
>>> extremely good
>>
>> As stated, the numbers are basically hogwash until all three forms are
>> all tested on the same hardware using the same compiler.  I *might*
>> have time tonight to work on the code that the others posted above to
>> get it compilable, although it is rather irritating that they posted
>> code that was incomplete, but meh.  If I have time tonight then I can
>> test all three versions using MSVC8 on WinXP on my old 1.8ghz Opteron
>> CPU.
>>
>> Who knows, one of the other version may still be faster, MSVC does
>> tend to handle optimizing heavy templated code better then other
>> compilers, and Spirit is nothing but basically to be inlined templated
>> code, so it might be able to optimize the xpressive version better as
>> well, and who knows how it will handle the original code.
>
> I thought Rob posted his code as an attachment here:
>
> http://lists.boost.org/Archives/boost/2009/07/153845.php
>
> Is that not complete?

Have you tried compiling it?  No, it is not complete, first of all it
is missing the includes, as well as a main function to run the loops
and test the timings in.  :)