[LLVMdev] RFC: GLIBCXX_DEBUG ScheduleDAG Patch
dag at cray.com
Wed Jan 2 12:44:11 PST 2008
On Saturday 22 December 2007 02:33, Evan Cheng wrote:
> > After some very simple testing, I see slowdowns of around 1.7%. I
> > assume
> > this is ok, but want to check.
> Can you clarify? Is this 1.7% slowdown of scheduling time or overall
> codegen time? If it's the later, then it seems a bit too much. Also,
> please test it with all the MultiSource/Applications.
It's 1.7% overall.
Does the nightly test build provide compile-time information? I see from
the Makefile that it uses -time-passes. I assume the "Today's LLC compile"
header on the nightly page comes from that and reflects the compile time
for the test.
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