I think the #1 thing that drives me crazy about GC debates is that people don’t realize just how important bump allocation is for perf.
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If your GC algorithm throws that enormous benefit away, it had better have a REALLY good reason to.
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Replying to @pcwalton
Usually that's counter-balanced by the need to copy in compacting phase. Some allocators (including Go) use fixed size buckets for many allocs, which translates in pointer bumps for the right size bucket.
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Replying to @dullboy
Only tenured objects have to be copied. Generational hypothesis says majority of objects don’t survive long enough.
11:49 AM - 24 Jan 2018
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