Use AtomicU16 for Immix histograms
Now that this type is available in stable Rust we can use it for the Immix histograms, reducing memory usage of these histograms by up to four times. This is especially noticeable when spawning many processes.
Now that this type is available in stable Rust we can use it for the Immix histograms, reducing memory usage of these histograms by up to four times. This is especially noticeable when spawning many processes.