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Simon Marlow authored
There are two new options in the -threaded RTS: -qm Don't automatically migrate threads between CPUs -qw Migrate a thread to the current CPU when it is woken up previously both of these were effectively off, i.e. threads were migrated between CPUs willy-milly, and threads were always migrated to the current CPU when woken up. This is the first step in tweaking the scheduling for more effective work balancing, there will no doubt be more to come.
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