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runtime: special case chan struct{} #8902

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dvyukov opened this issue Oct 7, 2014 · 1 comment
Open

runtime: special case chan struct{} #8902

dvyukov opened this issue Oct 7, 2014 · 1 comment
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@dvyukov
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@dvyukov dvyukov commented Oct 7, 2014

chan struct{} is commonly used for semaphores.
We can special case it in runtime as atomic counter. Then common case (of no work
limiting) will be just atomicinc/atomicdec.
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@rsc rsc commented Oct 7, 2014

Comment 1:

I would like to see a demonstrated need for a faster implementation first.
@rsc rsc added this to the Unplanned milestone Apr 10, 2015
@rsc rsc removed release-none labels Apr 10, 2015
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