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runtime, cmd/compile: increase tmpStringBufSize

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

help wanted

ImplementationIssues describing a semantics-preserving change to the Go implementation.Issues describing a semantics-preserving change to the Go implementation.

NeedsDecisionFeedback is required from experts, contributors, and/or the community before a change can be made.Feedback is required from experts, contributors, and/or the community before a change can be made.

Performance

Status: Open.

#75441 In golang/go;

· CAFxX opened on Sep 12, 2025

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Backlog

sync: higher mutex wait durations in 1.24

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

WaitingForInfoIssue is not actionable because of missing required information, which needs to be provided.Issue is not actionable because of missing required information, which needs to be provided.

Status: Not planned (skipped).

#72765 In golang/go;

· by hossein-raeisi was closed on Apr 19, 2025

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Go1.25

cmd/compile: a constant expression is moved into a loop

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#71443 In golang/go;

· artem-anisimov-0x7f opened on Jan 26, 2025

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Unplanned

runtime/pprof,net/http/pprof: improve delta profiles efficiency and correctness

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#67942 In golang/go;

· korniltsev opened on Jun 12, 2024

x/net/http/httpguts: validation of header names, methods, and cookie names could be about twice as fast

FrozenDueToAge

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

Performance

Status: Closed (completed).

#66700 In golang/go;

· by jub0bs was closed on Apr 15, 2024

· 

Unreleased

go/types: slow type checking with thousands of methods on a type

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#66699 In golang/go;

· findleyr opened on Apr 5, 2024

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Backlog

cmd/compile: expose what contributes to consuming the inlining budget

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#65780 In golang/go;

· jespino opened on Feb 18, 2024

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Proposal

cmd/compile: performance of go wasm is very poor

arch-wasmWebAssembly issuesWebAssembly issues

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#65440 In golang/go;

· liutao-liu opened on Feb 2, 2024

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Backlog

slices: Insert/Replace sizing can produce immense GC churn

FrozenDueToAge

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Closed (completed).

#60134 In golang/go;

· by seebs was closed on May 16, 2023

compress/flate: reduce allocations in init

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Performance

Status: Open.

#56218 In golang/go;

· Thorleon opened on Oct 13, 2022

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Unplanned

cmd/compile: enable Duff's device on darwin/arm64

arch-arm64

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

FeatureRequestIssues asking for a new feature that does not need a proposal.Issues asking for a new feature that does not need a proposal.

FrozenDueToAge

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

OS-Darwin

Performance

Status: Closed (completed).

#54189 In golang/go;

· by erifan was closed on Aug 8, 2022

· 

Go1.20

reflect: add Value.SetZero

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

FrozenDueToAge

Performance

Proposal

Proposal-Accepted

Proposal-FinalCommentPeriod

Status: Closed (completed).

#52376 In golang/go;

· by dsnet was closed on Aug 26, 2022

· 

Backlog