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Mon, 01 Aug 2022 14:53:15 -0700 (PDT) Content-Language: en-US In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:238475 Archived-At: On 01.08.2022 14:23, Gregory Heytings wrote: >> You might also want to compare to the time to run >> >> (parse-partial-sexp (point-min) (point-max)) >> >> which is a kind of "speed of light" for `syntax-ppss`. >> > > What do you mean?  With the above file (benchmark-run 1 > (parse-partial-sexp (point-min) (point-max))) takes 55 seconds. Then this is the base price of knowing (with confidence) whether the EOB position is inside a paren, inside a string, or inside a comment, all of which may be positioned anywhere inside the buffer. Perhaps someone will come up with further optimizations for the parse-partial-sexp implementation (without changing its behavior). Likely not by an order of a magnitude, but who knows.