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Daniel Silverstone authored
Since during pipeline load we are generating a lot of objects which need to live for the duration of the BuildStream instance there is benefit to disabling GC for the duration of the load since that drastically reduces wasted CPU cycles iterating data which will remain around always. In order to limit the increase in the peak memory consumption though, we do an explicit gc.collect() after loading the YAML in, since without that, we use 60% more memory at peak, and with it, only 20%. Signed-off-by: Daniel Silverstone <daniel.silverstone@codethink.co.UK.>
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