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perf: Cache common callbacks with a single state parameter #378

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merged 1 commit into from
Feb 6, 2020

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Wraith2
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@Wraith2 Wraith2 commented Jan 12, 2020

In a couple of common paths when reading data there are async context captures generated which use a single variable from the enclosing scope. These can be optimized so that a static delegate to the implementation is stored and the variable passed as state, this removes the closure allocation.

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LGTM

@cheenamalhotra
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Please update the branch from (master) branch to trigger pipelines once again.

Thanks!

@Wraith2 Wraith2 force-pushed the perf-readasynccachecallback branch from d12e570 to 3adf6ed Compare February 5, 2020 23:04
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Wraith2 commented Feb 6, 2020

Done, only on AE test is failing and I've been nowhere near it.

@cheenamalhotra cheenamalhotra added the 📈 Performance Issues that are targeted to performance improvements. label Feb 6, 2020
@cheenamalhotra cheenamalhotra added this to the 2.0.0-preview2 milestone Feb 6, 2020
@cheenamalhotra cheenamalhotra merged commit 8e8fe74 into dotnet:master Feb 6, 2020
@Wraith2 Wraith2 deleted the perf-readasynccachecallback branch February 6, 2020 08:32
panoskj added a commit to panoskj/SqlClient that referenced this pull request Aug 26, 2022
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panoskj added a commit to panoskj/SqlClient that referenced this pull request Nov 21, 2022
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3 participants