wg-performance Status Update 2021-06-21

[erwinmombay]

cc @ampproject/wg-performance

What was accomplished

Lessons Learned

What's Next

[jridgewell]

What was accomplished

• On Duty
• AVIF/WebP fully launched: cl/379612450, cl/380205027
• Moved CSI dashboards to csilog3
• Updated AVIF/WebP for holdback exps: cl/378533648, cl/378755439, cl/378887510, cl/378927814
• Add default exp branch for launches: cl/378946050
• Include AMP config change in server change logs: cl/379895946
• Reviewed doc on Font Loading
• Planned amp-geo changes

Lessons Learned

What's Next

• Week off!

[samouri]

What was accomplished

• Compiler prototyping. Have both classic and bento components server-rendering!
  • extract buildDOM from amp-layout (amp-layout: extract buildDOM #compiler amphtml#34770)
• worker-dom storage support for nodom mode, as well modified imports to aid DCE (nodom: support storage worker-dom#1064, Separate out all type-only imports worker-dom#1067)
• Cloudflare + docker AMP Optimizer support.

What's Next

• More compiler work
• Surprise release onduty

[erwinmombay]

What was accomplished

• cleanup avif/webp expired experiments
• support additional font testing scenarios where we have a combination of different font server and stylesheet servers
  • font/stylesheet server combinations: gfonts, firebase, local
• create font loading document

Lessons Learned

What's Next

• Continue to make changes to how we do reporting for LCP

[rcebulko]

What was accomplished

• core migration of DOM, style, and layout helpers + context (♻️ Migrate Style and DOM helpers into core/DOM + type-checking amphtml#34681, ♻️ Move src/layout into core to unblock buildDOM for amp-layout amphtml#34818, ♻️ Moved mode logic into #core/mode amphtml#34923, ♻️ Move context under #core amphtml#34927)
• migrated repo to use #alias imports (♻️ Auto-fix imports to use aliases (package.js, .eslintrc, + import updates) amphtml#34812)
• added #test, #testing, and #third_party aliases (🏗Add #test and #testing to alias list amphtml#34853, 🏗 Add #third_party alias + autofix amphtml#34915)
• enabled linting and verifying of import statements (🏗 Enable lint rules for imports and fix violations amphtml#34877)
• first stage of compiler JS-C++ bridge submitted
• compiler sandboxing CL in review
• initial investigation of relaxing mandatory_parent for script tags

What's Next

• investigation/design doc/review of mandatory_parent and rel=modulepreload changes
• more layers of the compiler
• maybe finish core migration entirely?
• try to enable typechecking on preact/