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barryz avatar barryz commented on June 20, 2024 1

okay, i will close the issue.

from gophercon2018-performance-tuning-workshop.

quasilyte avatar quasilyte commented on June 20, 2024

@barryz, the proposed "right" version will panic due to out-of-range access.

The capacity pre-allocation should be used with append without direct index assignment.
Initial demo does the length-based pre-allocation with index assignment.

See https://play.golang.org/p/b1T5JU6T2DQ

If you agree, this issue should be closed.

from gophercon2018-performance-tuning-workshop.

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