Function bench_diff_with_status

pub fn bench_diff_with_status(
    unit: LatencyUnit,
    f1: impl FnMut(),
    f2: impl FnMut(),
    exec_count: usize,
    header: impl FnOnce(LatencyUnit, usize),
) -> DiffOut

Compares latencies for two closures f1 and f2 and outputs information about the benchmark and its execution status. Execution status is output to stderr.

This function repeatedly executes duos of pairs (f1, f2), (f2, f1) and collects the resulting latency data in a DiffOut object. Prior to data collection, the benchmark is “warmed-up” by executing the duos of pairs for get_warmup_millis milliseconds. This function calls bench_diff_x with pre-defined closures for the arguments that support the output of benchmark status to stderr.

Arguments:

• unit - the unit used for data collection.
• f1 - first target for comparison.
• f2 - second target for comparison.
• exec_count - number of executions (sample size) for each function.
• header - is invoked once at the start of this function’s execution; it can be used, for example, to output information about the functions being compared to stdout and/or stderr. The first argument is the the LatencyUnit and the second argument is the exec_count.