On 25/10/17 17:16, michael.norr...@data61.csiro.au wrote: > The –j number dictates how many processes Holmake will fork/exec at once to > run theory scripts. On a 1 core machine (without hyperthreading), you will > only get time-sliced concurrency between the scripts. As scripts do minimal > I/O (reading the script and writing theory files at the end), you may not get > much advantage from scripts able to run while others are blocked. > > With –j1, Holmake doesn’t monitor the child process asynchronously, but uses > “system” to run scripts one after the other.
Sorry. I made a typing error in my previous message I meant to write: I used “bin/build -j 2” and it still used only *1* core most of the time. My CPU is *2* core.”. So it mostly wastes the opportunity to use both cores. -- Do not eat animals; respect them as you respect people. https://duckduckgo.com/?q=how+to+(become+OR+eat)+vegan
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