[Bug]: isEqual with large Float64Arrays is slow

[akeating]

Version

29.7.0

Steps to reproduce

1. Clone my repo https://github.com/akeating/jest-expect-isequal-perf.git
2. npm install
3. npm test

Expected behavior

expect.isEqual with large Float64Arrays performs inline with lodash at around 5ms

Actual behavior

expect.isEqual with large Float64Arrays takes around 600ms

Additional context

No response

Environment

System:
  OS: macOS 14.5
  CPU: (10) arm64 Apple M1 Pro
Binaries:
  Node: 20.10.0 - ~/.nvm/versions/node/v20.10.0/bin/node
  Yarn: 4.0.2 - ~/.nvm/versions/node/v20.10.0/bin/yarn
  npm: 10.2.3 - ~/.nvm/versions/node/v20.10.0/bin/npm
  pnpm: 9.1.2 - ~/.nvm/versions/node/v20.10.0/bin/pnpm
  bun: 1.1.10 - /opt/homebrew/bin/bun
npmPackages:
  jest: ^29.7.0 => 29.7.0

[SimenB]

Thanks for the great reproduction 👍

I've got a fix for this in https://github.com/jestjs/jest/pull/15178, but only when using toStrictEqual (although it also makes toEqual use 100m instead of 500ms). As mentioned there, it might make sense to properly support ArrayBuffer/TypedArray equality in toEqual as well

[SimenB]

First step https://github.com/jestjs/jest/releases/tag/v30.0.0-alpha.6

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