A crate to make time measurements that focuses on speed.
This crate is a partial replacement for the
Duration structures from the
standard library, with the following differences:
- Speed is privileged over accuracy. In particular,
CLOCK_MONOTONIC_COARSEis used to retrieve the clock value on Linux systems, and transformations avoid operations that can be slow on non-Intel systems.
- The number of system calls can be kept to a minimum. The "most recent timestamp" is always kept in memory. It can be read with just a load operation, and can be updated only as frequently as necessary.
coarsetime is available on crates.io and works on
Rust stable, beta, and nightly.
Windows and Unix-like systems are supported.
nightly: rust-nightly is being used; only required to run benchmarks.
A duration type to represent an approximate span of time
A measurement of a monotonically increasing clock. Opaque and useful only with
A service to periodically call