On Fri, Jun 10, 2022 at 01:09:30PM -0400, Paul Smith wrote: > On Fri, 2022-06-10 at 10:56 -0500, Segher Boessenkool wrote: > > The load average is only computed every 5s, so if you have a faster > > machine it can bring your system to its knees in that time already, > > by starting thousands of tasks. > > This is no longer true as of GNU make 3.81 (released in 2006). GNU > make artificially adjusts the load average based on the number of jobs > started in the last second, to avoid this issue. I have seen it happen with GNU make 3.82. The newer heuristic is better, sure, but it is still a heuristic based on flawed data, so it can never be perfectly good. > In the next release of GNU make a different method, based on /proc, is > used for Linux specifically which should result in even better behavior > there. Great to hear that! So in a year or ten people can use this safely :-) Segher
