[llvm-bugs] [Bug 37516] New: Improve scheduler model documentation

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=37516

            Bug ID: 37516
           Summary: Improve scheduler model documentation
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: llvm-dev at redking.me.uk
                CC: andrea.dibiagio at gmail.com, atrick at apple.com,
                    clement.courbet at gmail.com, filcab at gmail.com,
                    Florian.Hahn at arm.com, gchatelet at google.com,
                    greg.bedwell at sony.com, Javed.Absar at arm.com,
                    llvm-bugs at lists.llvm.org

There has been a lot of activity on improving scheduler models recently, but
the documentation on explaining how to write a model and how it is used
(instruction scheduling, llvm-mca, etc.) is very poor.

http://llvm.org/docs/WritingAnLLVMBackend.html#instruction-scheduling

We could at least begin by writing up Javed/Florian's "Writing Great Machine
Schedulers" tutorial from the 2017 US DevMtg (llvm.org/devmtg/2017-10/).

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