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stats say SBCL is 78 875 % faster than natively compiled Elisp
From: |
Emanuel Berg |
Subject: |
stats say SBCL is 78 875 % faster than natively compiled Elisp |
Date: |
Tue, 14 Feb 2023 08:56:04 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) |
;;; -*- lexical-binding: t -*-
;;
;; this file:
;; https://dataswamp.org/~incal/emacs-init/fib.el
;;
;; the CL:
;; https://dataswamp.org/~incal/cl/fib.cl
;;
;; code from:
;; elisp-benchmarks-1.14
;;
;; commands: [results]
;; $ emacs -Q -batch -l fib.el [8.660 s]
;; $ emacs -Q -batch -l fib.elc [3.386 s]
;; $ emacs -Q -batch -l fib-54a44480-bad305eb.eln [3.159 s]
;; $ sbcl -l fib.cl [0.004 s]
;;
;; (stats)
;; plain -> byte: +156%
;; plain -> native: +174%
;; plain -> sbcl: +216400%
;;
;; byte -> native: +7%
;; byte -> sbcl: +84550%
;;
;; native -> sbcl: +78875%
(require 'cl-lib)
(defun compare-table (l)
(cl-loop for (ni ti) in l
with first = t
do (setq first t)
(cl-loop for (nj tj) in l
do (when first
(insert "\n")
(setq first nil))
(unless (string= ni nj)
(let ((imp (* (- (/ ti tj) 1.0) 100)))
(when (< 0 imp)
(insert
(format ";; %s -> %s: %+.0f%%\n" ni nj imp) )))))))
(defun stats ()
(let ((p '("plain" 8.660))
(b '("byte" 3.386))
(n '("native" 3.159))
(s '("sbcl" 0.004)) )
(compare-table (list p b n s)) ))
(defun fib (reps num)
(let ((z 0))
(dotimes (_ reps)
(let ((p1 1)
(p2 1))
(dotimes (_ (- num 2))
(setf z (+ p1 p2)
p2 p1
p1 z))))
z))
(let ((beg (float-time)))
(fib 10000 1000)
(message "%.3f s" (- (float-time) beg)) )
;; (shell-command "emacs -Q -batch -l \"~/.emacs.d/emacs-init/fib.el\"")
;; (shell-command "emacs -Q -batch -l \"~/.emacs.d/emacs-init/fib.elc\"")
;; (shell-command "emacs -Q -batch -l
\"~/.emacs.d/eln-cache/30.0.50-3b889b4a/fib-54a44480-8bbda87b.eln\"")
(provide 'fib)
--
underground experts united
https://dataswamp.org/~incal
- stats say SBCL is 78 875 % faster than natively compiled Elisp,
Emanuel Berg <=