On Mon, Oct 20, 2014 at 5:53 PM, Xinliang David Li wrote:
> On Mon, Oct 20, 2014 at 1:32 AM, Richard Biener
> wrote:
>> On Mon, Oct 20, 2014 at 12:02 AM, Xinliang David Li
>> wrote:
>>> On Sat, Oct 18, 2014 at 4:19 PM, Xinliang David Li
>>> wrote:
On Sat, Oct 18, 2014 at 3:27 PM, Jan Hub
On Mon, Oct 20, 2014 at 1:32 AM, Richard Biener
wrote:
> On Mon, Oct 20, 2014 at 12:02 AM, Xinliang David Li
> wrote:
>> On Sat, Oct 18, 2014 at 4:19 PM, Xinliang David Li
>> wrote:
>>> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
> The difference in instrumentation runtime is huge
On Mon, Oct 20, 2014 at 12:02 AM, Xinliang David Li wrote:
> On Sat, Oct 18, 2014 at 4:19 PM, Xinliang David Li wrote:
>> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
The difference in instrumentation runtime is huge -- as topn profiler
is pretty expensive to run.
With
On Sat, Oct 18, 2014 at 4:19 PM, Xinliang David Li wrote:
> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
>>> The difference in instrumentation runtime is huge -- as topn profiler
>>> is pretty expensive to run.
>>>
>>> With FDO, it is probably better to make early inlining more aggressive
On Sat, Oct 18, 2014 at 4:26 PM, Jan Hubicka wrote:
>> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
>> >> The difference in instrumentation runtime is huge -- as topn profiler
>> >> is pretty expensive to run.
>> >>
>> >> With FDO, it is probably better to make early inlining more aggressi
On Sat, Oct 18, 2014 at 4:26 PM, Jan Hubicka wrote:
>> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
>> >> The difference in instrumentation runtime is huge -- as topn profiler
>> >> is pretty expensive to run.
>> >>
>> >> With FDO, it is probably better to make early inlining more aggressi
> On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
> >> The difference in instrumentation runtime is huge -- as topn profiler
> >> is pretty expensive to run.
> >>
> >> With FDO, it is probably better to make early inlining more aggressive
> >> in order to get more context sensitive profiling.
On Sat, Oct 18, 2014 at 3:27 PM, Jan Hubicka wrote:
>> The difference in instrumentation runtime is huge -- as topn profiler
>> is pretty expensive to run.
>>
>> With FDO, it is probably better to make early inlining more aggressive
>> in order to get more context sensitive profiling.
>
> I agree
> The difference in instrumentation runtime is huge -- as topn profiler
> is pretty expensive to run.
>
> With FDO, it is probably better to make early inlining more aggressive
> in order to get more context sensitive profiling.
I agree with that, I just would like to understand where increasing
ok.
David
On Sat, Oct 18, 2014 at 9:26 AM, Teresa Johnson wrote:
> Increasing the number of early inliner iterations from 1 to 2 enables more
> indirect calls to be promoted/inlined before instrumentation. This in turn
> reduces the instrumentation overhead, particularly for more expensive indir
The difference in instrumentation runtime is huge -- as topn profiler
is pretty expensive to run.
With FDO, it is probably better to make early inlining more aggressive
in order to get more context sensitive profiling.
David
On Sat, Oct 18, 2014 at 10:05 AM, Jan Hubicka wrote:
>> Increasing the
> Increasing the number of early inliner iterations from 1 to 2 enables more
> indirect calls to be promoted/inlined before instrumentation. This in turn
> reduces the instrumentation overhead, particularly for more expensive indirect
> call topn profiling.
How much difference you get here? One po
Increasing the number of early inliner iterations from 1 to 2 enables more
indirect calls to be promoted/inlined before instrumentation. This in turn
reduces the instrumentation overhead, particularly for more expensive indirect
call topn profiling.
Passes internal testing and regression tests. Ok
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