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context.cancelCtx.Done involves a mutex and isn't as cheap as I previously assumed. Convert the donec method into a struct field and store the channel value once. Our one magicsock.Conn gets one pointer larger, but it cuts ~1% of the CPU time of the ReceiveFrom benchmark and removes a bubble from the --svg output :) |
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| .. | ||
| discopingpurpose_string.go | ||
| legacy.go | ||
| magicsock_test.go | ||
| magicsock.go | ||