path: root/2021/captions/emacsconf-2021-faster--optimizing-emacs-lisp-code--dmitry-gutov--chapters.vtt

WEBVTT

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Introduction

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Emacs Lisp is a little old

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Benchmark then optimize, not vice versa

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profiler-start

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elp - Emacs Lisp Profiler

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benchmark

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Write less code

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Reduce allocations

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Recent optimizations in Xref

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cl-lib, dash, and seq