Make the PDF build time bearable.#148

Merged

KubaO merged 26 commits into

twinbasic:mainfrom

KubaO:staging

May 20, 2026

Commits on May 20, 2026

Add a basic timing harness for paged.js.
KubaO
committed
Profile pagedjs rendering system.
KubaO
committed
Make the render time linear.
KubaO
committed
Investigate the number of flushes before and after the fix.
KubaO
committed
Test further flush-related optimization opportunities.
KubaO
committed
Track perf/package-lock.json.
KubaO
committed
Add incremental-update PDF writer to skip the pdf-lib roundtrip.
KubaO
committed
Profile pdf-lib roundtrip; survey Chromium PDF knobs.
KubaO
committed
Drop pagedjs-cli, render via a thin in-tree driver.
KubaO
committed
Restore live render progress dropped with pagedjs-cli.
KubaO
committed
Add wall-clock progress to the generate phase.
KubaO
committed
Consolidate AtPage.finalizePage querySelector calls.
KubaO
committed
Batch finalizePage's max-width / max-height reads.
KubaO
committed
Memoize finalizePage's grid-template values by className.
KubaO
committed
Hoist AtPage.finalizePage's grid-template emission to parse time.
KubaO
committed
Document residual render O(n); identify aggressive-detach win.
KubaO
committed
Ship aggressive detach: -22s render via removeChild + JS page counter.
KubaO
committed
Fix colspan/rowspan typo in findOverflow's rowspan handling.
KubaO
committed
Fix counter-reset -> counter-set in Counters handler.
KubaO
committed
Cache lastChild.lastChild in findEndToken loop.
KubaO
committed
Document findEndToken win + createBreakToken dedup post-mortem.
KubaO
committed
Skip findEndToken when no real onUnderflow handler is set.
KubaO
committed
Document Footnotes-handler skip attempt as gBCR migration trap.
KubaO
committed
Define "gBCR" terminology in perf README.
KubaO
committed
Promote find-callers.mjs into perf/ and gitignore measure outputs.
KubaO
committed
Additive backoff for renderTo overflow checks (-4.25s render).
KubaO
committed

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Make the PDF build time bearable.#148

Make the PDF build time bearable.#148
KubaO merged 26 commits into
twinbasic:mainfrom
KubaO:staging

Commits on May 20, 2026

Add a basic timing harness for paged.js.

Profile pagedjs rendering system.

Make the render time linear.

Investigate the number of flushes before and after the fix.

Test further flush-related optimization opportunities.

Track perf/package-lock.json.

Add incremental-update PDF writer to skip the pdf-lib roundtrip.

Profile pdf-lib roundtrip; survey Chromium PDF knobs.

Drop pagedjs-cli, render via a thin in-tree driver.

Restore live render progress dropped with pagedjs-cli.

Add wall-clock progress to the generate phase.

Consolidate AtPage.finalizePage querySelector calls.

Batch finalizePage's max-width / max-height reads.

Memoize finalizePage's grid-template values by className.

Hoist AtPage.finalizePage's grid-template emission to parse time.

Document residual render O(n); identify aggressive-detach win.

Ship aggressive detach: -22s render via removeChild + JS page counter.

Fix colspan/rowspan typo in findOverflow's rowspan handling.

Fix counter-reset -> counter-set in Counters handler.

Cache lastChild.lastChild in findEndToken loop.

Document findEndToken win + createBreakToken dedup post-mortem.

Skip findEndToken when no real onUnderflow handler is set.

Document Footnotes-handler skip attempt as gBCR migration trap.

Define "gBCR" terminology in perf README.

Promote find-callers.mjs into perf/ and gitignore measure outputs.

Additive backoff for renderTo overflow checks (-4.25s render).