1709171 - Fast Fathom performance investigations wrap-up code

Status: RESOLVED WONTFIX

(Core :: Performance, task, P3)

Description

[Victor Porof [:vporof][:vp]]

This bug serves as storage for the Fast Fathom prototype. Details of the investigations can be found here: https://docs.google.com/document/d/18bgPfacFH2AVTRhSMEDVm0L3CIrQHFWHN4a9wac9F5M

Comment 1

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 1: Add companion code from https://github.com/Mossop/FirefoxCompanion

Comment 2

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 2: Patch companion code into Firefox using the build instructions from the companion code repo

Depends on D114137

Comment 3

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 3: Add a profiling helper

Use document.dispatchEvent(new CustomEvent("extract", { detail: { times: 10 }})) in the console.

Depends on D114138

Comment 4

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 4: Add JS and C++ mocks for testing the ideal case scenario

Depends on D114139

Comment 5

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 5: Add real C++ implementation for `getComputedStyleWithoutFlushing`

Depends on D114140

Comment 6

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 6: Benchmark checkpoint – unoptimized

Depends on D114141

Comment 7

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 7: Benchmark checkpoint – using native `getComputedStyleWithoutFlushing`

Depends on D114142

Comment 8

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 8: Benchmark checkpoint – using hacked `getClientRects` approach

Depends on D114143

Comment 9

[Victor Porof [:vporof][:vp]]

Attachment: WIP: Bug 1709171 - Part 8: Benchmark checkpoint: using native + hacked + mocked remaining

Depends on D114144

Comment 10

[Bas Schouten (:bas.schouten)]

So the best of my knowledge this is no longer worked on.