As discussed offline, will commit this patch first, and think of other
smoothing algorithm to prevent profile insanity.
Dehao
On Fri, Nov 8, 2013 at 9:32 AM, Xinliang David Li wrote:
> On Fri, Nov 8, 2013 at 6:23 AM, Dehao Chen wrote:
>> AutoFDO sometimes has 0 profile in the loop's entry block
On Fri, Nov 8, 2013 at 6:23 AM, Dehao Chen wrote:
> AutoFDO sometimes has 0 profile in the loop's entry block because the
> debug info are lost and unrecoverable.
Is that a separate problem to track and fix?
Also is it better to do a round of loop profiling smoothing after auto
profile annotati
AutoFDO sometimes has 0 profile in the loop's entry block because the
debug info are lost and unrecoverable.
E.g.
if (a)
if (b)
for () {}
This patch checks if the scale factor is 0, then use the normal scale.
Bootstrapped and passed regression test and performance test.
OK for google-4_8
