68bd383368
We kind of have this mechanism already, just normalizing it and using it in a bunch of places. Previously a bunch of places cached slices only for the duration of a single function compilation. Now we can reuse slices across a whole compiler run. Use a sync.Pool of powers-of-two sizes. This lets us use not too much memory, and avoid holding onto memory we're no longer using when a GC happens. There's a few different types we need, so generate the code for it. Generics would be useful here, but we can't use generics in the compiler because of bootstrapping. Change-Id: I6cf37e7b7b2e802882aaa723a0b29770511ccd82 Reviewed-on: https://go-review.googlesource.com/c/go/+/444820 Run-TryBot: Keith Randall <khr@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: David Chase <drchase@google.com> |
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