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Fiber fixes #22
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Fiber fixes #22
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Member
MartinNowak
commented
Jun 2, 2011
MartinNowak
commented
- fix global shared ucontext_t for fibers
- use native TLS variable to store current fiber
- implement x86_64 asm fiber switches
- add unittests
- As the other asm versions it doesn't restore FPU/SSE control words - About 20x faster than syscall swapcontext
- because the SP was changed a ret instruction was always mispredicted - makes context switches ~25% faster.
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Nice work! |
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These changes broke D-Tester on pretty much every platform, so I reverted it. The problem seems to be an OutOfMemoryError in the core.thread unittests, but I haven't spent the time to find the cause. |
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Can you please reopen the pull request. I've committed a fix for bug triggered by the unittest. |
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It won't let me... perhaps because I already pulled once. I may have to do this manually from the command line. |
redstar
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Sep 1, 2015
fmemopen, open_memstream unavail on OSX
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