3d1699ea78
Keep itabs in a growable hash table. Use a simple open-addressable hash table, quadratic probing, power of two sized. Synchronization gets a bit more tricky. The common read path now has two atomic reads, one to get the table pointer and one to read the entry out of the table. I set the max load factor to 75%, kind of arbitrarily. There's a space-speed tradeoff here, and I'm not sure where we should land. Because we use open addressing the itab.link field is no longer needed. I'll remove it in a separate CL. Fixes #20505 Change-Id: Ifb3d9a337512d6cf968c1fceb1eeaf89559afebf Reviewed-on: https://go-review.googlesource.com/44472 Run-TryBot: Keith Randall <khr@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> |
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