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Re: cache misses in gcc 3.3
Gabriel Dos Reis wrote:
>
> Tim Josling <tej@melbpc.org.au> writes:
>
> | How about:
> |
> | Parsing/tree building: nnn.n
> |
> | If agreeable I will submit a patch in due course.
>
> I would prefer a separate entry for tree building.
>
> -- Gaby
So would I - but there would be hundreds of thousands of calls out of the
parse; to wrap these in timvar would be prohibitive. One approach I thought of
could be to do sampling by setting regular interrupts based on timeouts and
check if the IP pointed into bison (i.e. a kind of poor man's gprof), however
it would be difficult to do this portably.
Tim Josling