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maps: optimized Clone with swissmaps #70836

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prattmic opened this issue Dec 13, 2024 · 1 comment
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maps: optimized Clone with swissmaps #70836

prattmic opened this issue Dec 13, 2024 · 1 comment
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsFix The path to resolution is known, but the work has not been done. Performance
Milestone
Go1.25

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@prattmic
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Prior to swissmaps, we had an optimized implementation of maps.Clone that reached into the internals to copy directly between the backing store of each map.

That was dropped when implementing swissmaps, but could be brought back.
@prattmic prattmic added Performance NeedsFix The path to resolution is known, but the work has not been done. compiler/runtime Issues related to the Go compiler and/or runtime. labels Dec 13, 2024
@prattmic prattmic added this to the Backlog milestone Dec 13, 2024
@prattmic prattmic mentioned this issue Dec 13, 2024
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@gabyhelp gabyhelp mentioned this issue Mar 21, 2025
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Change https://go.dev/cl/660175 mentions this issue: maps: implement faster clone

@github-project-automation github-project-automation bot moved this from Todo to Done in Go Compiler / Runtime Mar 27, 2025
@dmitshur dmitshur modified the milestones: Backlog, Go1.25 Mar 31, 2025
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Labels
compiler/runtime Issues related to the Go compiler and/or runtime. NeedsFix The path to resolution is known, but the work has not been done. Performance
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Go Compiler / Runtime
Status: Done
Milestone
Go1.25
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@prattmic @dmitshur @gopherbot