From 8cfdb7e0560ab27e70a1d2e898fb4a0a67a13c70 Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Fri, 15 Mar 2013 12:30:03 +0530 Subject: Framework for performance benchmarking of functions See benchtests/Makefile to know how to use it. --- benchtests/Makefile | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 benchtests/Makefile (limited to 'benchtests/Makefile') diff --git a/benchtests/Makefile b/benchtests/Makefile new file mode 100644 index 0000000000..74938b925c --- /dev/null +++ b/benchtests/Makefile @@ -0,0 +1,59 @@ +# Copyright (C) 2013 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. + +# The GNU C Library 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 +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# . + + +# Makefile for benchmark tests. The only useful target here is `bench`. + +# Adding a new function `foo`: +# --------------------------- + +# - Append the function name to the bench variable + +# - Define foo-ITER with the number of iterations you want to run. Keep it +# high enough that the overhead of clock_gettime is only a small fraction of +# the total run time of the test. + +# - Define foo-ARGLIST as a colon separated list of types of the input +# arguments. Use `void` if function does not take any inputs. Put in quotes +# if the input argument is a pointer, e.g.: + +# malloc-ARGLIST: "void *" + +# - Define foo-RET as the type the function returns. Skip if the function +# returns void. One could even skip foo-ARGLIST if the function does not +# take any inputs AND the function returns void. + + +# - Make a file called `foo-inputs` with one input value per line, an input +# being a comma separated list of arguments to be passed into the function. +# See pow-inputs for an example. + +subdir := benchtests +bench := exp pow + +exp-ITER = 100000 +exp-ARGLIST = double +exp-RET = double +LDFLAGS-bench-exp = -lm + +pow-ITER = 100000 +pow-ARGLIST = double:double +pow-RET = double +LDFLAGS-bench-pow = -lm + +include ../Makeconfig +include ../Rules -- cgit 1.4.1