Do not re-hash installed wheels. #1534
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Previously, installed wheels were re-hashed when adding them to a PEX. This was wasted time and effort that showed up particularly strongly when building a large PEX that used a fast --pex-repository resolve.
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This is all just threading through pre-existing data to the right places. The test case involves a 405M repository.pex / maximal-subset.pex and goes from: To: |
jsirois
commented
Dec 14, 2021
| @@ -597,7 +597,9 @@ def build_pex( | |||
| ) | |||
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| for installed_dist in result.installed_distributions: | |||
| pex_builder.add_distribution(installed_dist.distribution) | |||
| pex_builder.add_distribution( | |||
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This is the change that saves 2s in the example.
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Previously, installed wheels were re-hashed when adding them to a PEX.
This was wasted time and effort that showed up particularly strongly
when building a large PEX that used a fast --pex-repository resolve.
Fixes #1533