Search results

cmd/compile: extra allocation when returning a non-pointer value > 128KB

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.

#76703 In golang/go;

· zigo101 opened on Dec 5, 2025

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Unplanned

cmd/compile: unexpected benchmark results

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.

#64328 In golang/go;

· zigo101 opened on Nov 22, 2023

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Unplanned

cmd/compile: missing BCE optimization cases

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.

#64272 In golang/go;

· zigo101 opened on Nov 20, 2023

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Unplanned

x/playground: "// GOEXPERIMENT=xxx“ line often causes "timeout running go build”

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.

#61985 In golang/go;

· zigo101 opened on Aug 13, 2023

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Unreleased

x/tools/go/packages: memory hungry in parsing the github.com/go-fonts/latin-modern module packages

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

ToolsThis label describes issues relating to any tools in the x/tools repository.This label describes issues relating to any tools in the x/tools repository.

Status: Open.

#57985 In golang/go;

· zigo101 opened on Jan 25, 2023

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Go1.27

cmd/compile: strange performance difference between two implementations

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.

#49785 In golang/go;

· zigo101 opened on Nov 24, 2021

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Unplanned

cmd/compile: inline-able function with named results performs worse

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.

#48507 In golang/go;

· zigo101 opened on Sep 21, 2021

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Unplanned

cmd/compile: optimize append([]byte(string), ...) to avoid a duplication

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.

#47454 In golang/go;

· zigo101 opened on Jul 29, 2021

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Unplanned

cmd/compile: treat "d = append(make([]T, 0, len(s)), s...)" as "d = make([]T, len(s)); copy(d, s)"

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

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: Open.

#46079 In golang/go;

· zigo101 opened on May 10, 2021

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Unplanned

cmd/compile: optimize maps with bool keys

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.

#44578 In golang/go;

· zigo101 opened on Feb 24, 2021

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Unplanned

cmd/compile: some missing BCE cases

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.

#40987 In golang/go;

· zigo101 opened on Aug 23, 2020

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Unplanned

cmd/compile: BCE optimizes less for string than slice

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.

#27585 In golang/go;

· zigo101 opened on Sep 9, 2018

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Unplanned