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japhb/requests.md

Created April 3, 2015 16:33
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japhb's ++jnthn requests
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requests.md

Concurrency

  • General resiliency under heavy task load, when tasks > all(cores, threads)
    • Correct results
    • No crashes
    • No "cliff-like" performance as overload point is passed
      • Note: better to OOM than GC thrash
      • Similarly better to serve some tasks well than all badly via e.g. context switch storms
  • Idle/block on inputs without burning CPU
    • (and/or use idle time for something productive like GC)
  • Good scalability for high core count (including multi-socket/NUMA)
  • Better straight-line performance for e.g. Supply/tap chains
  • Proc::Async:
  • Promise cancellation (that actually stops associated tasks)

NativeCall

  • Union support, at least for num32/64 <-> [u]int32/64
  • Unsigned integer return values
  • C++ bindings

Other features

  • Inheritance handling in OO::Monitors
  • I/O:
    • Better performance
    • TTY/console user (non-piped I/O) detection
    • More complete support
  • Precompiling -> caching
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