branch: externals/elisp-benchmarks
commit e26947a9cc2a3e0ad20935e4f00219ac0efc7cc6
Author: Andrea Corallo <a...@sdf.org>
Commit: Andrea Corallo <a...@sdf.org>
* benchmarks/map-closure.el: Add new u-benchmark.
---
benchmarks/map-closure.el | 44 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/benchmarks/map-closure.el b/benchmarks/map-closure.el
new file mode 100644
index 0000000..30fed05
--- /dev/null
+++ b/benchmarks/map-closure.el
@@ -0,0 +1,44 @@
+;; -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2020 Free Software Foundation, Inc.
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Apply a local function capturing a variable into a closure on each
+;; element of list.
+
+(require 'cl-lib)
+
+(defvar elb-map-closure-len 50000)
+(defvar elb-map-closure-list
+ (mapcar #'random (make-list elb-map-closure-len 1000)))
+
+(defun elb-map-closure (l)
+ (let ((captured 0))
+ (mapc (lambda (x)
+ (when (or (> x 750)
+ (< x 250))
+ (cl-incf captured)))
+ l)
+ captured))
+
+(defun elb-map-closure-entry ()
+ (cl-loop repeat 2500
+ do (elb-map-closure elb-map-closure-list)))
+
+(provide 'elb-map-closure)
