Package: emacs;
Reported by: Robert Boyer <robertstephenboyer <at> gmail.com>
Date: Thu, 29 Feb 2024 19:42:02 UTC
Severity: wishlist
Message #59 received at 69480 <at> debbugs.gnu.org (full text, mbox):
From: Stephen Berman <stephen.berman <at> gmx.net> To: Eli Zaretskii <eliz <at> gnu.org> Cc: robertstephenboyer <at> gmail.com, 69480 <at> debbugs.gnu.org, acorallo <at> gnu.org Subject: Re: bug#69480: Emacs Lisp needs, for its great 'native-compile', 'declare' and 'the' for fixnums and arrays. Date: Fri, 01 Mar 2024 14:53:18 +0100
On Fri, 01 Mar 2024 15:41:24 +0200 Eli Zaretskii <eliz <at> gnu.org> wrote:
>> From: Stephen Berman <stephen.berman <at> gmx.net>
>> Cc: acorallo <at> gnu.org, bug-gnu-emacs <at> gnu.org, robertstephenboyer <at> gmail.com,
>> 69480 <at> debbugs.gnu.org
>> Date: Fri, 01 Mar 2024 14:07:50 +0100
>>
>> On Fri, 01 Mar 2024 14:45:39 +0200 Eli Zaretskii <eliz <at> gnu.org> wrote:
>>
>> >> It's still slower with native compilation than with byte compilation on
>> >> my machine, unlike on yours. Do you have any idea why?
>> >
>> > Maybe your system takes time to allocate memory? This program
>> > allocates almost 850MB of memory on my system, so maybe yours starts
>> > paging?
>>
>> I see a similar allocation, but I have 16 GB of RAM (~12 of which were
>> free when I ran the benchmark), so I think that shouldn't be an issue.
>>
>> > Anyway, profiling could give some hints.
>>
>> That says almost all memory and CPU are consumed by `build-sieve':
>
> This is skewed, use cpu profiling instead of "memory" profiling.
Ah, ok.
>> But I don't see how that bears on the difference between native and byte
>> compilation in my timings versus yours and Andrea's.
>
> My suggestion was to compare profiles in the byte-compiled and
> native-compiled cases.
>
> Btw, are you running both cases in the same session? If so, don't:
> restart Emacs and run the other case instead.
Ok, I've now done that. Here's the report for the run with native
compilation:
12599 95% - command-execute
12487 95% - funcall-interactively
12486 95% - eval-expression
12485 95% - #<compiled -0x5db3e1955cb81d1>
12485 95% - #<compiled -0x8a5cf032951a0fe>
12480 95% - eval
12480 95% - progn
12367 94% - benchmark-call
12367 94% - #<lambda 0x8c97b8cb7bd82>
12367 94% build-sieve
113 0% - emacs-lisp-native-compile-and-load
113 0% - emacs-lisp-native-compile
113 0% - native-compile
79 0% - comp--native-compile
37 0% - comp--fwprop
25 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_109>
25 0% - comp--fwprop*
25 0% - maphash
25 0% - #<compiled 0xf5cda0529cb6e6>
22 0% - comp--fwprop-insn
20 0% - comp-cstr-intersection
19 0% - comp-cstr-intersection-no-mem
19 0% - apply
19 0% - comp-cstr-intersection-homogeneous
19 0% - apply
19 0% - comp-intersect-typesets
19 0% - comp-normalize-typeset
19 0% - comp--normalize-typeset0
19 0% - comp--direct-subtypes
18 0% - comp--direct-supertypes
18 0% - comp-supertypes
4 0% comp--intersection
1 0% - cl-sort
1 0% #<subr comp--sym-lessp>
1 0% comp-cstr-copy
2 0% - comp-cstr-union-no-range
2 0% - comp-cstr-union-1
2 0% - comp-cstr-union-1-no-mem
2 0% - apply
2 0% - comp-cstr-union-homogeneous
2 0% - comp-cstr-union-homogeneous-no-range
1 0% - comp-union-typesets
1 0% - comp-normalize-typeset
1 0% - comp--normalize-typeset0
1 0% - comp--direct-subtypes
1 0% - comp--direct-supertypes
1 0% comp-supertypes
1 0% - comp-normalize-valset
1 0% cl-sort
1 0% - comp--copy-insn
1 0% - comp--copy-insn
1 0% copy-comp-mvar
10 0% - comp--ssa
10 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_100>
7 0% - comp--ssa-rename
7 0% - #<compiled 0x1cb53415437137ed>
7 0% - #<compiled 0x1cb53415437137ed>
4 0% - #<compiled 0x1cb55f52f37137ed>
4 0% - #<compiled 0x1cb55f52f37137ed>
4 0% - #<compiled 0x1cb55f52f37137ed>
4 0% - #<compiled 0x1cb55f52f37137ed>
4 0% - #<compiled 0x1cb55f52f37137ed>
2 0% - comp--ssa-rename-insn
2 0% - cl-nsubst-if
2 0% - cl-nsublis
2 0% - cl--nsublis-rec
2 0% - cl--nsublis-rec
1 0% #<compiled 0x293a3dbb887bc18>
1 0% cl--nsublis-rec
2 0% - #<compiled 0x1cb508a8837137ed>
2 0% - #<compiled 0x1cb508a8837137ed>
2 0% - #<compiled 0x1cb508a8837137ed>
1 0% - #<compiled 0x1cb508a8837137ed>
1 0% - comp--ssa-rename-insn
1 0% comp--assign-op-p
1 0% - comp--ssa-rename-insn
1 0% - cl-nsubst-if
1 0% - cl-nsublis
1 0% - cl--nsublis-rec
1 0% #<compiled 0x293a3d93887bc18>
3 0% - comp--ssa-rename-insn
3 0% - cl-nsubst-if
3 0% - cl-nsublis
3 0% - cl--nsublis-rec
2 0% - cl--nsublis-rec
1 0% #<compiled 0x293a3dbb887bc18>
1 0% - cl--nsublis-rec
1 0% - #<compiled 0x293a3dbb887bc18>
1 0% type-of
1 0% #<compiled 0x293a3dbb887bc18>
1 0% comp--compute-dominator-tree
1 0% - comp--compute-edges
1 0% #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_80>
1 0% - comp--log-block-info
1 0% #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_86>
2 0% - comp--dead-code
2 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_115>
2 0% comp--dead-assignments-func
22 0% - comp--spill-lap
16 0% - comp--spill-lap-function
16 0% - apply
16 0% - #<compiled -0x11c2c6042193c0b4>
16 0% - byte-compile-file
15 0% - byte-compile-from-buffer
15 0% - bytecomp--displaying-warnings
9 0% - byte-compile-log-file
9 0% - emacs-lisp-compilation-mode
9 0% - compilation-mode
5 0% - byte-code
5 0% - require
2 0% - byte-code
2 0% require
1 0% - custom-declare-face
1 0% quote
6 0% - #<compiled -0x14c9cececd5ff012>
6 0% - byte-compile-toplevel-file-form
6 0% - byte-compile-recurse-toplevel
3 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_50>
3 0% - byte-compile-file-form
2 0% - byte-compile-file-form-defvar
2 0% - byte-compile-defvar
2 0% - byte-compile-top-level
2 0% byte-optimize-one-form
1 0% - byte-compile-file-form-defalias
1 0% - #<compiled -0x134743fab8beb490>
1 0% - byte-compile-file-form-defmumble
1 0% set-message-functions
3 0% - macroexp-macroexpand
3 0% macroexpand-1
1 0% - normal-mode
1 0% - set-auto-mode
1 0% inhibit-local-variables-p
6 0% - comp-cstr-ctxt-update-type-slots
3 0% - comp--compute-typeof-types
3 0% - comp--all-classes
3 0% - #<compiled -0xc298594251b9291>
1 0% cl-find-class
3 0% - comp--compute--pred-type-h
3 0% - comp--all-classes
2 0% - #<compiled -0xc298594251b9291>
1 0% cl-find-class
15 0% - comp--final
12 0% - redisplay_internal (C function)
1 0% - jit-lock-function
1 0% - jit-lock-fontify-now
1 0% - jit-lock--run-functions
1 0% - #<compiled 0x1baf465008c447bf>
1 0% - font-lock-fontify-region
1 0% - font-lock-default-fontify-region
1 0% - font-lock-fontify-keywords-region
1 0% lisp--match-hidden-arg
1 0% - redisplay--pre-redisplay-functions
1 0% window-buffer
2 0% #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_130>
3 0% - make-comp-ctxt
2 0% - comp--compute-typeof-types
2 0% comp--all-classes
1 0% - comp--compute--pred-type-h
1 0% - comp--all-classes
1 0% #<compiled -0xc298594251b9291>
1 0% time-since
1 0% - comp--limplify
1 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_58>
1 0% - comp--limplify-function
1 0% - comp--limplify-block
1 0% comp--limplify-lap-inst
16 0% - byte-code
16 0% - require
4 0% - byte-code
4 0% - require
2 0% - byte-code
2 0% - require
1 0% - defvar
1 0% - byte-code
1 0% tool-bar-local-item-from-menu
12 0% - defconst
12 0% - byte-code
6 0% - make-comp-cstr-ctxt
4 0% - comp--compute-typeof-types
4 0% - comp--all-classes
3 0% - #<compiled -0xc298594251b9291>
3 0% cl-find-class
2 0% - comp--compute--pred-type-h
2 0% - comp--all-classes
2 0% - #<compiled -0xc298594251b9291>
1 0% cl-find-class
6 0% - comp-type-spec-to-cstr
6 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_54>
6 0% - comp-type-spec-to-cstr
5 0% - comp-cstr-union-make
5 0% - comp-cstr-union
5 0% - comp-cstr-union-1
5 0% - comp-cstr-union-1-no-mem
5 0% - apply
5 0% - comp-cstr-union-homogeneous
5 0% - comp-cstr-union-homogeneous-no-range
5 0% - comp-union-typesets
5 0% - comp-normalize-typeset
3 0% - comp--normalize-typeset0
3 0% - comp--direct-subtypes
3 0% - comp--direct-supertypes
3 0% comp-supertypes
2 0% cl-remove-duplicates
1 0% - comp-type-spec-to-cstr
1 0% - comp-cstr-union-make
1 0% - comp-cstr-union
1 0% - comp-cstr-union-1
1 0% - comp-cstr-union-1-no-mem
1 0% - apply
1 0% - comp-cstr-union-homogeneous
1 0% - comp-cstr-union-homogeneous-no-range
1 0% - comp-union-typesets
1 0% - comp-normalize-typeset
1 0% - comp--normalize-typeset0
1 0% - comp--direct-subtypes
1 0% - comp--direct-supertypes
1 0% - comp-supertypes
1 0% comp--intersection
5 0% - macroexpand-all
5 0% - macroexp--expand-all
5 0% - macroexp--all-forms
5 0% - macroexp--expand-all
5 0% - macroexp-macroexpand
5 0% macroexpand-1
1 0% execute-extended-command
112 0% - byte-code
66 0% - read--expression
38 0% - redisplay_internal (C function)
1 0% redisplay--pre-redisplay-functions
5 0% - command-execute
5 0% - funcall-interactively
2 0% - yank
2 0% - current-kill
2 0% - gui-selection-value
2 0% - gui--selection-value-internal
2 0% - gui-get-selection
2 0% - gui-backend-get-selection
2 0% - apply
2 0% - #<compiled 0xb78d7eebc4d3cfc>
2 0% x-get-selection-internal
2 0% delete-indentation
1 0% - read--expression-try-read
1 0% read
2 0% - timer-event-handler
2 0% - apply
2 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_12>
2 0% - eldoc-print-current-symbol-info
2 0% - eldoc--invoke-strategy
2 0% - eldoc-documentation-default
2 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_17>
2 0% - elisp-eldoc-funcall
2 0% - elisp--fnsym-in-current-sexp
2 0% - syntax-ppss
2 0% parse-partial-sexp
46 0% - read-extended-command
46 0% - read-extended-command-1
46 0% - completing-read-default
26 0% - redisplay_internal (C function)
1 0% - redisplay--pre-redisplay-functions
1 0% - run-hook-with-args
1 0% redisplay--update-region-highlight
2 0% - timer-event-handler
2 0% - apply
2 0% - #<subr F616e6f6e796d6f75732d6c616d626461_anonymous_lambda_9>
2 0% jit-lock-context-fontify
489 3% Automatic GC
15 0% + timer-event-handler
14 0% + redisplay_internal (C function)
13 0% + ...
And here's the report for the run with byte compilation:
9055 95% - command-execute
8994 95% - funcall-interactively
8993 95% - eval-expression
8993 95% - #<compiled -0x5db3e1955cb81d1>
8993 95% - #<compiled 0x1be2f2b973e98d46>
8988 95% - eval
8988 95% - benchmark-call
8988 95% - #<lambda 0x8f52207467a22>
8988 95% - build-sieve
206 2% ash
169 1% make-vector
5 0% - macroexpand-all
5 0% - macroexp--expand-all
5 0% - macroexp-macroexpand
5 0% macroexpand-1
1 0% execute-extended-command
61 0% - byte-code
37 0% - read-extended-command
37 0% - read-extended-command-1
37 0% - completing-read-default
18 0% redisplay_internal (C function)
1 0% clear-minibuffer-message
1 0% - timer-event-handler
1 0% - apply
1 0% - show-paren-function
1 0% - show-paren--default
1 0% show-paren--locate-near-paren
24 0% - read--expression
12 0% redisplay_internal (C function)
1 0% - minibuffer-mode
1 0% - run-mode-hooks
1 0% - run-hooks
1 0% - global-font-lock-mode-enable-in-buffers
1 0% - turn-on-font-lock-if-desired
1 0% - turn-on-font-lock
1 0% - font-lock-mode
1 0% - called-interactively-p
1 0% backtrace-frame
1 0% - command-execute
1 0% - funcall-interactively
1 0% - yank
1 0% - current-kill
1 0% - gui-selection-value
1 0% - gui--set-last-clipboard-selection
1 0% - gui-backend-get-selection
1 0% - apply
1 0% - #<compiled 0xb78ea5818013cfc>
1 0% x-get-selection-internal
345 3% Automatic GC
23 0% + timer-event-handler
12 0% + redisplay_internal (C function)
10 0% + ...
Steve Berman
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997,2003 nCipher Corporation Ltd,
1994-97 Ian Jackson.