[Pythonmac-SIG] intel compiler

[Ronald Oussoren]

On 28-aug-2006, at 10:21, Dan White wrote:

>>
>> Could someone who is using the Intel compiler say something about  
>> the performance of resulting binaries compared to binaries created  
>> by GCC. I'm obviously mostly interested in the speed of the python  
>> interpreter.
>>
>> Ronald
>>
>
> for C++ code which is doing recursive / parallelisable tasks
> with processor optimisation flag -xP (for an intel core duo chip)
> it is faster than gcc4 with optimisation for auto vectorisation and  
> other speed optimisations
>
> At least in my case. Of course mileage might vary...
> I suggest its at least worth running some benchmarks
> so wee what differece it makes for various kinds of tasks in python.

I was hoping that someone had already done that :-). Having a look at  
the intel compiler is somewhere on my todo list, ever since a college  
noticed that he got higher pystones in Windows running in Parallels  
than running natively on the same mac.

Ronald