[llvm-bugs] [Bug 27837] New: Improve std::async QoI when implementing new Parallel algorithms

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=27837

            Bug ID: 27837
           Summary: Improve std::async QoI when implementing new Parallel
                    algorithms
           Product: libc++
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: All Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: eric at efcs.ca
                CC: llvm-bugs at lists.llvm.org, mclow.lists at gmail.com
    Classification: Unclassified

The current implementation of async boots up a new thread for every call. There
are likely better implementations, which will become easier to adopt once we
have better parallelism machinery.

We should look into improving std::async as part of implementing parallel
algorithms.

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