Re: [go-nuts] Go locking and channels much slower than Java equivalent, program spends most of time in sync.(Mutex).Lock() and sync.(Mutex).Unlock()

Aliaksandr Valialkin Mon, 03 Oct 2016 01:15:07 -0700

I bet the bottleneck is exactly at defer. Good news - it looks like go 1.8 will 
have much faster defer and, as a bonus,  faster cgo calls:
- https://github.com/golang/go/commit/f8b2314c563be4366f645536e8031a132cfdf3dd
- https://github.com/golang/go/commit/441502154fa5f78e93c9c7985fbea78a02c21f4f


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Re: [go-nuts] Go locking and channels much slower than Java equivalent, program spends most of time in sync.(*Mutex).Lock() and sync.(*Mutex).Unlock()

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Re: [go-nuts] Go locking and channels much slower than Java equivalent, program spends most of time in sync.(Mutex).Lock() and sync.(Mutex).Unlock()