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Avoid unnecessary byte[] allocation in Baml2006Reader.Process_Header #6276

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merged 2 commits into from
Jun 3, 2022

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Description

Baml2006Reader.Process_Header skips past data from the reader, but it does so by calling BinaryReader.ReadBytes, which allocates, fills, and returns an array, which Process_Header promptly ignores. We can instead just change the position on the stream, or worst case if it's not seekable, read into a temporarily rented array.

Customer Impact

Unnecessary array allocations.

Regression

No

Testing

CI

Risk

Minimal.

@stephentoub stephentoub requested a review from a team as a code owner March 18, 2022 01:53
@ghost ghost added the PR metadata: Label to tag PRs, to facilitate with triage label Mar 18, 2022
@ghost ghost requested review from dipeshmsft, singhashish-wpf and SamBent March 18, 2022 01:53
@dipeshmsft dipeshmsft self-assigned this May 5, 2022
@ghost ghost assigned stephentoub May 5, 2022
@dipeshmsft dipeshmsft merged commit ab8390a into dotnet:main Jun 3, 2022
@ghost ghost locked as resolved and limited conversation to collaborators Jul 3, 2022
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2 participants