[J3] [EXTERNAL] [BULK] Re: Question to compiler developers about compilation speed

[Damian Rouson]

This sounds like a task for a parallel profiling tool such as TAU. I wonder
if anyone has done parallel performance analysis of a build system — could
be an interesting paper.

As was mentioned already in this thread, I too wondered whether I/O might
be the bottleneck with lots of small files.

D

On Wed, Oct 30, 2024 at 07:52 Thomas König via J3 <j3 at mailman.j3-fortran.org>
wrote:

> Am 30.10.24 um 14:20 schrieb Clune, Thomas L. (GSFC-6101) via J3:
> > I had wondered if arranging the compiler itself to be on SSD could make
> > the difference.   This is relatively easy to try with some compilers
> > (NAG in particular), but not so much with Intel which is our work horse.
>
> That would help for the first startup, but after the first
> compilation, I would expect the relevant parts of the
> compiler to be cached in memory, so any difference would
> be small.
>
>
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