[cfe-dev] How much profile data is enough for pgo?

[Shoaib Meenai via cfe-dev]

CCing Chris; I remember discussing something like this with him at a developer meeting, but I don't remember his recommendation from the time :)

On 10/7/21, 1:10 PM, "cfe-dev on behalf of Tom Stellard via cfe-dev" <cfe-dev-bounces at lists.llvm.org on behalf of cfe-dev at lists.llvm.org> wrote:

    Hi,

    I'm trying to generate profile data for clang by building the some of the packages
    we ship in Fedora Linux.  I'm trying to decide how many packages to build, is
    there much advantage to building 1000 vs something substantially less, like 100?

    -Tom

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