Zev Weiss wrote: > [Strictly speaking even in the default "single-threaded" mode it *is* in fact > actually multi-threaded, but there's only one search thread, so output > ordering > is unaffected. In theory even this could allow a slight performance > improvement > by overlapping pattern-matching with directory traversal and prefetching in > the > master thread, but I'd guess it's probably negligible in most cases, and isn't > really the goal of the patches.]
In the common case where a command like 'grep -r unusual' reads many files but outputs few lines, I would think multiple search threads could work pretty well even if the output is required to be deterministic.
