Squeeze performance out of the (post)processing stage of PDF build.#154

Merged

KubaO merged 44 commits into

twinbasic:mainfrom

May 24, 2026

Commits on May 23, 2026

Commits on May 24, 2026

One-buffer PDFArray: range views into a shared arrayMain JS Array.
KubaO
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fast-refs: drop the per-instance PDFRef.tag string.
KubaO
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fast-sync-load: skip skipJibberish on the digit-byte fast path.
KubaO
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fast-refs-class: constructor-based PDFRef shape (-3.87 MB heap, -12 % process).
KubaO
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fast-dict-onebuf: constructor-based PDFDict shape (-5.98 MB heap).
KubaO
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fast-array-onebuf: constructor-based PDFArray shape (-1.73 MB heap, -130 ms process).
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notes/08: close out the class-constructor PDFRef / PDFDict / PDFArray round.
KubaO
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perf: add instrument-pioh + instrument-objclasses (used in the class-shape round).
KubaO
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fast-parse-name: byte-keyed cache in front of parseName (-80 ms process, -9 %).
KubaO
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pipeline-deflate: overlap buffer-build with libuv deflate (-47 ms save, -10 %).
KubaO
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fast-dict-onebuf: pack PDFPageLeaf flags into d's gap bits.
KubaO
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fast-refs-class: two-shape PDFRef, gen=0 single-slot (-1.88 MB heap).
KubaO
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perf: add heap-subtree.mjs (subtree dump for a heap-profile frame).
KubaO
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