Package: emacs;
Reported by: Lars Ingebrigtsen <larsi <at> gnus.org>
Date: Wed, 13 Jul 2016 12:20:01 UTC
Severity: wishlist
Found in version 25.1.50
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
From: Lars Ingebrigtsen <larsi <at> gnus.org> To: bug-gnu-emacs <at> gnu.org Subject: 25.1.50; Slow compilation of ns-win.el Date: Wed, 13 Jul 2016 14:19:21 +0200
I've been looking slightly at why "make -j8" isn't as parallel as you'd expect, and in my tests it's because one single .el compilation job is weirdly slow. To test: If I say "make bootstrap" (to get rid of everything) and then halt the compilation after it's made bootstrap-emacs [larsi <at> stories ~/src/emacs/trunk/lisp]$ time ../src/bootstrap-emacs -batch --no-site-file --no-site-lisp --eval "(setq load-prefer-newer t)" -l bytecomp -f byte-compile-refresh-preloaded -f batch-byte-compile ../lisp/term/ns-win.el real 0m44.097s user 0m44.156s sys 0m0.012s 44 seconds to compile it. From stracing, the thing it says before it ... doesn't say anything for half a minute is: readlinkat(AT_FDCWD, "/home/larsi/src/emacs/trunk/lisp/international/uni-decomposition.el", 0x7fff42af6240, 1024) = -1 EINVAL (Invalid argument) So... er... it has something to do with Unicode? This may not be a bug or anything, but it's perhaps something that should be looked at to speed up the initial Emacs compilation. In GNU Emacs 25.1.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.14.5) of 2016-07-12 built on stories Repository revision: df7774be39af76d3072a0278ef815a47bf50dfe9 Windowing system distributor 'The X.Org Foundation', version 11.0.11604000 System Description: Debian GNU/Linux 8.5 (jessie) Recent messages: Error reading dir-locals: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") Eager macro-expansion failure: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") [8 times] Error: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") previous-line: Beginning of buffer Error reading dir-locals: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") Eager macro-expansion failure: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") [8 times] Error: (error "Invalid byte code in /home/larsi/src/emacs/trunk/lisp/emacs-lisp/cl-macs.elc") Mark saved where search started Mark set Making completion list... Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 Important settings: value of $LANG: en_US.UTF-8 locale-coding-system: utf-8-unix Major mode: Emacs-Lisp Minor modes in effect: global-whitespace-mode: t tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t Load-path shadows: /home/larsi/src/cddb.el/expect hides /home/larsi/lisp/expect /home/larsi/src/cddb.el/captitle hides /home/larsi/lisp/captitle /home/larsi/src/clock.el/clock hides /home/larsi/lisp/clock ~/pgnus/contrib/vcard hides /home/larsi/lisp/vcard /home/larsi/src/pvr.el/pvr hides /home/larsi/lisp/pvr ~/lisp/zenirc-2.112/src/zenirc-example hides /home/larsi/lisp/zenirc-example ~/pgnus/contrib/compface hides /home/larsi/src/emacs/trunk/lisp/image/compface Features: (shadow ecomplete emacsbug sendmail vc vc-dispatcher map pp misearch multi-isearch copyright vc-cvs shr-color color eww gnus-html help-fns radix-tree sort gnus-cite smiley ansi-color url-queue url-cache mm-archive gnus-async gnus-dup qp gnus-ml gmane spam-gmane dns mm-url disp-table gnus-fun gnus-mdrtn gnus-topic pop3 nndoc nnmbox utf-7 nnml nnfolder network-stream starttls nnir spam-report spam spam-stat gnus-uu yenc gnus-delay gnus-draft gnus-agent gnus-srvr gnus-score score-mode nnvirtual nntp gnus-cache gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime smime dig gnus-sum nndraft nnmh gnus-group gnus-undo gnus-start gnus-cloud nnimap utf7 netrc nnoo parse-time gnus-spec gnus-win nnmail gnus-int gnus-range mail-source message format-spec rfc822 mml mml-sec epa epg mailabbrev gmm-utils mailheader gnus nnheader gnus-util rmail rmail-loaddefs mail-utils whitespace movie mkv shr svg imdb dom pvr debug debbugs-gnu easy-mmode derived debbugs soap-client mm-decode mm-bodies mm-encode url-http tls gnutls url-auth mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr url-gw nsm puny url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util mailcap warnings rng-xsd rng-dt rng-util xsd-regexp xml ido flyspell ispell benchmark w3m browse-url doc-view subr-x dired dired-loaddefs image-mode timezone w3m-hist w3m-fb w3m-ems wid-edit w3m-ccl ccl w3m-favicon w3m-image w3m-proc w3m-util add-log mail-extr jka-compr cl finder-inf package epg-config url-handlers url-parse auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache url-vars seq byte-opt gv bytecomp byte-compile cl-extra help-mode easymenu cconv cl-loaddefs pcase cl-lib time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind inotify dynamic-setting system-font-setting font-render-setting move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 1045166 126768) (symbols 48 170836 0) (miscs 40 288 729) (strings 32 245855 17893) (string-bytes 1 14892431) (vectors 16 36358) (vector-slots 8 1122185 66612) (floats 8 6931 746) (intervals 56 60845 5795) (buffers 976 61) (heap 1024 184172 181041)) -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no
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