[cfe-dev] Finding Code that Counts with Causal Profiling

[Christian Gagneraud via cfe-dev]

On Sat, 14 Dec 2019 at 05:21, Jakub (Kuba) Kuderski via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
>>
>> I could describe it, but consider it better to hear the whole thing from
>> the horse's mouth.
>
> The issue I see with videos is that they are not searchable and require significant time commitment.

Previous email mentioned this link:
https://blog.acolyer.org/2015/10/14/coz-finding-code-that-counts-with-causal-profling/
Everything is explained, with link to the original paper:
http://www.sigops.org/sosp/sosp15/current/2015-Monterey/printable/090-curtsinger.pdf

Chris

>
> I assumed that since you posted cfe-dev this is related to clang/llvm, or uses clang/llvm in an interesting way. Providing a summary of the paper/video from the perspective of cfe-dev would be really helpful and potentially encourage folks to look more closely into the project.
>
> Thanks,
> Jakub
>
> On Thu, Dec 12, 2019 at 7:28 AM Mayuresh Kathe <mayuresh at kathe.in> wrote:
>>
>> Hi Jakub, thanks for taking the effort to skim through the paper.
>> I could describe it, but consider it better to hear the whole thing from
>> the horse's mouth.
>> Check out the video at; https://youtu.be/r-TLSBdHe1A
>>
>> ~Mayuresh
>>
>> On 2019-12-12 08:47 AM, Jakub (Kuba) Kuderski wrote:
>> > Hi Mayuresh,
>> >
>> > I skimmed the paper and it seems interesting. I have one high-level
>> > question: how relevant is this technique to conventional
>> > single-threaded compilers? There's some mention of being able to
>> > account for system operations (e.g., IO), but It's not clear to me if
>> > the tool is of any use for profiling LLVM-based compilers.
>> >
>> > Thanks,
>> > Jakub
>> >
>> > On Wed, Dec 11, 2019 at 9:29 PM Mayuresh Kathe via cfe-dev
>> > <cfe-dev at lists.llvm.org> wrote:
>> >
>> >> Just in-case you didn't know about this, check out this new
>> >> profiling
>> >> technique and it's working implementation at;
>> >> https://github.com/plasma-umass/coz/
>> >>
>> >> Also a paper describing the work is available at;
>> >>
>> > https://blog.acolyer.org/2015/10/14/coz-finding-code-that-counts-with-causal-profling/
>> >> _______________________________________________
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>> >
>> > --
>> >
>> > Jakub Kuderski
>
>
>
> --
> Jakub Kuderski
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