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Commit Graph

Author	SHA1	Message	Date
Josh Bleecher Snyder	142670b8c2	tstime/mono: new package Package mono provides a fast monotonic time. Its primary advantage is that it is fast: It is approximately twice as fast as time.Now. This is because time.Now uses two clock calls, one for wall time and one for monotonic time. We ask for the current time 4-6 times per network packet. At ~50ns per call to time.Now, that's enough to show up in CPU profiles. Package mono is a first step towards addressing that. It is designed to be a near drop-in replacement for package time. Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>	3 years ago

Author

SHA1

Message

Date

Josh Bleecher Snyder

142670b8c2

tstime/mono: new package

Package mono provides a fast monotonic time.

Its primary advantage is that it is fast:
It is approximately twice as fast as time.Now.
This is because time.Now uses two clock calls,
one for wall time and one for monotonic time.

We ask for the current time 4-6 times per network packet.
At ~50ns per call to time.Now, that's enough to show
up in CPU profiles.

Package mono is a first step towards addressing that.
It is designed to be a near drop-in replacement for package time.

Signed-off-by: Josh Bleecher Snyder <josh@tailscale.com>

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