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GitHub / sveltejs/svelte issues and pull requests

Labelled with: perf

#14875 - Performance: `O(n^2)` time-complexity with `remove_reactions`

Issue - State: closed - Opened by AlbertMarashi 11 months ago - 2 comments
Labels: perf

#14721 - Performance: dropped frames on reactive graph updates

Issue - State: closed - Opened by gyzerok 12 months ago - 12 comments
Labels: perf

#14379 - Collapse template attributes composed of string literals

Issue - State: open - Opened by benmccann about 1 year ago
Labels: perf

#14241 - Compiler output bloat

Issue - State: open - Opened by benmccann about 1 year ago - 3 comments
Labels: perf

#13246 - perf: optimize non-reactive if statements

Pull Request - State: open - Opened by benmccann about 1 year ago - 4 comments
Labels: perf

#13246 - perf: optimize non-reactive if statements

Pull Request - State: closed - Opened by benmccann about 1 year ago - 9 comments
Labels: perf

#13242 - perf: inline default imports into template

Pull Request - State: open - Opened by benmccann about 1 year ago - 2 comments
Labels: perf

#13233 - Collapse inlined variables into templates

Issue - State: open - Opened by benmccann about 1 year ago
Labels: perf

#13232 - Use standard `for` and `if` with non-reactive variables

Issue - State: closed - Opened by benmccann about 1 year ago
Labels: perf

#11843 - Hoist

Issue - State: open - Opened by benmccann over 1 year ago
Labels: perf

#10135 - remove `$.proxy` in more cases

Issue - State: closed - Opened by Rich-Harris almost 2 years ago - 2 comments
Labels: perf

#10124 - perf: save some bytes with more concise comparisons

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 16 comments
Labels: perf

#10124 - perf: save some bytes with more concise comparisons

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 16 comments
Labels: perf

#10031 - Unnecessarily calling `$.stringify` on strings

Issue - State: open - Opened by benmccann almost 2 years ago - 7 comments
Labels: perf, compiler

#10015 - perf: use unchanged primitives directly in template attributes

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 3 comments
Labels: perf, compiler

#10015 - perf: use unchanged primitives directly in template attributes

Pull Request - State: closed - Opened by benmccann almost 2 years ago - 3 comments
Labels: perf, compiler

#9524 - Inline constant expressions from mustache tags into template

Issue - State: open - Opened by benmccann about 2 years ago
Labels: perf

#9479 - perf: Svelte 5 hydration comparisons failing

Issue - State: closed - Opened by benmccann about 2 years ago - 2 comments
Labels: perf

#9026 - perf: optimize `flip` function

Pull Request - State: closed - Opened by Link-the-elf over 2 years ago - 6 comments
Labels: perf

#7226 - Inefficient code created for hydration of static components

Issue - State: closed - Opened by benmccann almost 4 years ago - 6 comments
Labels: perf

#7009 - Exploring the use of the CSS `contain` property to reduce layout rendering times

Issue - State: closed - Opened by kevmodrome almost 4 years ago - 5 comments
Labels: feature request, perf, compiler

#6684 - Deduplicate if (detaching) checks for components with multiple root elements

Issue - State: closed - Opened by K4rakara over 4 years ago - 2 comments
Labels: perf

#6603 - [idea] Minimal modifications in update_keyed_each

Issue - State: closed - Opened by hbirler over 4 years ago - 1 comment
Labels: perf, compiler

#4695 - Overzealous updating of components when using {#each} on array of objects

Issue - State: closed - Opened by rdb over 5 years ago - 7 comments
Labels: perf, stale-bot, temp-stale

#4658 - Translation to Part of Full Highly Optimised WebAssembly Code

Issue - State: closed - Opened by sirinath over 5 years ago - 4 comments
Labels: perf, stale-bot, temp-stale

#4308 - Better hydration

Issue - State: closed - Opened by avi almost 6 years ago - 40 comments
Labels: feature request, perf

#4006 - Stateless lightweight components

Issue - State: closed - Opened by lgirma about 6 years ago - 10 comments
Labels: feature request, perf, popular, compiler

#3898 - More efficient fragment creation

Issue - State: closed - Opened by Rich-Harris about 6 years ago - 33 comments
Labels: perf, popular, compiler

#3760 - Opting for a smaller bundle size by treating dynamic strings as one unit

Issue - State: closed - Opened by carpben about 6 years ago - 2 comments
Labels: feature request, perf, compiler

#3750 - Revisit setAttribute vs setting properties

Issue - State: closed - Opened by Rich-Harris about 6 years ago - 1 comment
Labels: perf, stale-bot, compiler, temp-stale

#3642 - fix #3586 comments instead of empty text nodes (perf)

Pull Request - State: closed - Opened by neuronetio about 6 years ago - 5 comments
Labels: perf

#3642 - fix #3586 comments instead of empty text nodes (perf)

Pull Request - State: closed - Opened by neuronetio about 6 years ago - 5 comments
Labels: perf

#3586 - A lot of empty text nodes - I mean A LOT - performance issue

Issue - State: closed - Opened by neuronetio about 6 years ago - 17 comments
Labels: feature request, awaiting submitter, perf, stale-bot

#1098 - Event delegation (e.g. for click listeners)

Issue - State: closed - Opened by nolanlawson almost 8 years ago - 10 comments
Labels: perf

#780 - Remove rendering code for static component with hydration

Issue - State: closed - Opened by PaulBGD over 8 years ago - 5 comments
Labels: feature request, perf, compiler

#646 - Optimising at the AST level

Issue - State: closed - Opened by Rich-Harris over 8 years ago - 2 comments
Labels: feature request, perf, compiler

#14 - Collapse consecutive text nodes

Issue - State: closed - Opened by Rich-Harris about 9 years ago - 4 comments
Labels: perf, compiler