[J3] Question to compiler developers about compilation speed

[Keith Bierman]

> On Oct 29, 2024, at 1:50 PM, Van Snyder via J3 <j3 at mailman.j3-fortran.org> wrote:
> 
> ...
> 
> I suspect it's dominated by I/O to read the compilers' representations of accessible module entities. It would be difficult (or impossible) for users such as Tom to profile the compilers to verify this conjecture.
> 

Why should that be impossible or impractical?

DTRACE https://en.wikipedia.org/wiki/DTrace
bpftrace https://www.brendangregg.com/blog/2018-10-08/dtrace-for-linux-2018.html

While having the compiler source certainly would provide more information easier, there’s a lot that can be seen with the right system tools.


Keith Bierman
khbkhb at gmail.com
303 997 2749



-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.j3-fortran.org/pipermail/j3/attachments/20241029/3ab5bed4/attachment.htm>