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Filebench WML

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Filebench WML is an open source programming language created in 2011 by Vasily Tarasov.

#521on PLDB 13Years Old 566Repos
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Filebench is a file system and storage benchmark that can generate a large variety of workloads. Unlike typical benchmarks it is extremely flexible and allows to specify application's I/O behavior using its extensive Workload Model Language (WML).

Example from the web:
# # CDDL HEADER START # # The contents of this file are subject to the terms of the # Common Development and Distribution License (the "License"). # You may not use this file except in compliance with the License. # # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE # or # See the License for the specific language governing permissions # and limitations under the License. # # When distributing Covered Code, include this CDDL HEADER in each # file and include the License file at usr/src/OPENSOLARIS.LICENSE. # If applicable, add the following below this CDDL HEADER, with the # fields enclosed by brackets "[]" replaced with your own identifying # information: Portions Copyright [yyyy] [name of copyright owner] # # CDDL HEADER END # # # Copyright 2009 Sun Microsystems, Inc. All rights reserved. # Use is subject to license terms. # set $dir=/tmp set $nfiles=1000 set $meandirwidth=20 set $meanfilesize=16k set $iosize=1m set $nthreads=1 set mode quit firstdone define fileset name=bigfileset,path=$dir,size=$meanfilesize,entries=$nfiles,dirwidth=$meandirwidth,prealloc=100,paralloc define fileset name=destfiles,path=$dir,size=$meanfilesize,entries=$nfiles,dirwidth=$meandirwidth define process name=filereader,instances=1 { thread name=filereaderthread,memsize=10m,instances=$nthreads { flowop openfile name=openfile1,filesetname=bigfileset,fd=1 flowop readwholefile name=readfile1,fd=1,iosize=$iosize flowop createfile name=createfile2,filesetname=destfiles,fd=2 flowop writewholefile name=writefile2,fd=2,srcfd=1,iosize=$iosize flowop closefile name=closefile1,fd=1 flowop closefile name=closefile2,fd=2 } } echo "Copyfiles Version 3.0 personality successfully loaded"

Language features

Feature Supported Token Example
# A comment
Line Comments #
# A comment
Semantic Indentation X

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