search for: 13m10s

...any different factors: write > latency, the rate at which the instrumented binary retires, io > throughput/network bandwidth etc). > > 1) SSD > > The performance is almost identical across *ALL* the test configurations. > The real time needed to complete the full self build is ~13m10s. There is > no visible file contention with file locking enabled even with pool size == > 1. > > 2) tmpfs > > only tested with the following configs > a) shared profile with no merge > b) with merge (pool == 1), with merge (pool == 2) > > Not surprisingly, the result...

On Sat, Feb 27, 2016 at 6:50 PM, Sean Silva <chisophugis at gmail.com> wrote: > I have thought about this issue too, in the context of games. We may want > to turn profiling only for certain frames (essentially, this is many small > profile runs). > > However, I have not seen it demonstrated that this kind of refined data > collection will actually improve PGO results in

I have thought about this issue too, in the context of games. We may want to turn profiling only for certain frames (essentially, this is many small profile runs). However, I have not seen it demonstrated that this kind of refined data collection will actually improve PGO results in practice. The evidence I do have though is that IIRC Apple have found that almost all of the benefits of PGO for