[llvm-dev] Next steps for optimization remarks?

Adam Nemet via llvm-dev llvm-dev at lists.llvm.org
Thu Jun 29 10:33:40 PDT 2017

> On Jun 29, 2017, at 7:50 AM, Brian Gesiak <modocache at gmail.com> wrote:
> Please excuse all the questions! Circling back to this:
>> On Tue, Jun 20, 2017 at 1:50 AM, Adam Nemet <anemet at apple.com> wrote:
>> I expect that some sort of binary encoding of YAML would speed up parsing but I haven’t researched this topic yet...
> I was under the impression that YAML had some sort of standard binary
> encoding format, sort of like JSON and BSON [1], but this doesn't
> appear to be the case. Did you have something specific in mind here,
> or did you mean having optimization remarks optionally emit a
> different, non-human-readable format? If so, MessagePack [2] or
> protocol buffers [3] appear to be widely used.

I didn’t really have anything specific in mind.  If we want to completely change the file format for opt remarks from YAML, we probably want to carefully evaluate the options wrt the potential speed-up.


> [1] http://bsonspec.org
> [2] http://msgpack.org/index.html
> [3] https://developers.google.com/protocol-buffers/
> - Brian Gesiak

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