TSV Utilities release with LTO and PGO enabled

[Jon Degenhardt]

On Wednesday, 17 January 2018 at 21:49:52 UTC, Johan Engelen 
wrote:
> On Wednesday, 17 January 2018 at 04:37:04 UTC, Jon Degenhardt 
> wrote:
>>
>> Clearly personal judgment played a role. However, the tools 
>> are reasonably task focused, and I did take basic steps to 
>> ensure the benchmark data and tests were separate from the 
>> training data/tests. For these reasons, my confidence is good 
>> that the results are reasonable and well founded.
>
> Great, thanks for the details, I agree.
> Hope it's useful for others to see these details.

Thanks Johan, much appreciated. :)

> (btw, did you also check the performance gains when using the 
> profile of the benchmark itself, to learn about the upper-bound 
> of PGO for your program?)
>
> I'll merge the IR PGO addition into LDC master soon. Don't know 
> what difference it'll make.

No, I didn't do an upper-bounds check, that's a good idea. I plan 
to test the IR based PGO when it's available, I'll run an 
upper-bounds check as part of it.