Summit comment on interference between hot vs. cold code
martinrb at google.com
Thu Sep 24 15:11:56 PDT 2009
Years ago, I filed Sun bug:
Eliminate remaining performance penalty for using assert
The synopsis doesn't make clear that it is really asking for
heat-based inlining (and secondarily for reduction in assert startup costs).
On Fri, Sep 18, 2009 at 13:56, John Rose <John.Rose at sun.com> wrote:
> On Sep 18, 2009, at 11:37 AM, Chuck Rasbold wrote:
>> Also, once a whole method is being compiled, we should be corresponding
>> more eager to inline from hot call sites than from cold ones.
> You and Paul are teasing me! This (= heat-based inlining) was on my project
> list for years. We're slowly getting there.
> -- John
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