tree 9ea1001f030d91a69ee291527fb8d45d8aaa23f4
parent da69dc027e5b4fd99908af9aa616690ee151bd16
author Marcel van Lohuizen <mpvl@golang.org> 1600444323 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1601372955 +0000

internal/core/eval: performance: unify an arc only once per node

This can avoid an exponential blowup.

Note that this still does redundant work. Removing this redundancy
will significantly reduce the running time of tests and even improve
the running time of the benchmarks added in this test.

Change-Id: Icbb19e02720e9f904f7326c92c9f404c817a4792
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/7163
Reviewed-by: CUE cueckoo <cueckoo@gmail.com>
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>