1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/liboil/tsrc/examples/oil-suggest/src/oil-suggest.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,156 @@
1.4 +/*
1.5 + * LIBOIL - Library of Optimized Inner Loops
1.6 + * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
1.7 + * All rights reserved.
1.8 + *
1.9 + * Redistribution and use in source and binary forms, with or without
1.10 + * modification, are permitted provided that the following conditions
1.11 + * are met:
1.12 + * 1. Redistributions of source code must retain the above copyright
1.13 + * notice, this list of conditions and the following disclaimer.
1.14 + * 2. Redistributions in binary form must reproduce the above copyright
1.15 + * notice, this list of conditions and the following disclaimer in the
1.16 + * documentation and/or other materials provided with the distribution.
1.17 + *
1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.21 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.28 + * POSSIBILITY OF SUCH DAMAGE.
1.29 + */
1.30 +
1.31 +#ifdef HAVE_CONFIG_H
1.32 +#include "config.h"
1.33 +#endif
1.34 +
1.35 +#include <liboil/liboil.h>
1.36 +#include <liboil/liboilfunction.h>
1.37 +#include <liboil/liboilcpu.h>
1.38 +#include <liboil/liboiltest.h>
1.39 +
1.40 +#include <stdio.h>
1.41 +#include <stdlib.h>
1.42 +#include <string.h>
1.43 +#include <stdarg.h>
1.44 +#define LOG_FILE "c:\\logs\\examples_oil-suggest_log.txt"
1.45 +#include "std_log_result.h"
1.46 +#define LOG_FILENAME_LINE __FILE__, __LINE__
1.47 +
1.48 +void create_xml(int result)
1.49 +{
1.50 + if(result)
1.51 + assert_failed = 1;
1.52 +
1.53 + testResultXml("examples_oil-suggest");
1.54 + close_log_file();
1.55 +}
1.56 +
1.57 +static int
1.58 +is_poorly_strided (OilFunctionClass *klass)
1.59 +{
1.60 + OilPrototype *proto;
1.61 + int i;
1.62 + int j;
1.63 + OilParameter *param;
1.64 +
1.65 + proto = oil_prototype_from_string (klass->prototype);
1.66 + for(i=0;i<proto->n_params;i++) {
1.67 + if (proto->params[i].is_stride) {
1.68 + for(j=0;j<proto->n_params;j++) {
1.69 + param = proto->params + j;
1.70 + if (param->parameter_type == (proto->params[i].parameter_type - 1)) {
1.71 + if (param->prestride_length == 1 && param->poststride_length == 0) {
1.72 + oil_prototype_free (proto);
1.73 + return 1;
1.74 + }
1.75 + }
1.76 + }
1.77 + }
1.78 + }
1.79 + oil_prototype_free (proto);
1.80 + return 0;
1.81 +}
1.82 +
1.83 +static double
1.84 +get_speed_score (OilFunctionClass *klass)
1.85 +{
1.86 + OilFunctionImpl *impl;
1.87 + double max;
1.88 + double x;
1.89 +
1.90 + max = 1.0;
1.91 + for(impl = klass->first_impl; impl; impl = impl->next) {
1.92 + x = klass->reference_impl->profile_ave / impl->profile_ave;
1.93 + if (x > max) max = x;
1.94 + }
1.95 + return max;
1.96 +}
1.97 +
1.98 +static void
1.99 +oil_suggest_class (OilFunctionClass *klass, int verbose)
1.100 +{
1.101 + double x;
1.102 +
1.103 + if (is_poorly_strided (klass)) return;
1.104 +
1.105 + x = get_speed_score (klass);
1.106 +
1.107 + if (x < 20.0) {
1.108 + std_log(LOG_FILENAME_LINE,"%s %g\n", klass->name, x);
1.109 + }
1.110 +}
1.111 +
1.112 +static void
1.113 +oil_suggest_all (void)
1.114 +{
1.115 + int i;
1.116 + int n;
1.117 +
1.118 + n = oil_class_get_n_classes ();
1.119 + for (i = 0; i < n; i++){
1.120 + OilFunctionClass *klass = oil_class_get_by_index (i);
1.121 +
1.122 + oil_suggest_class (klass, 0);
1.123 + }
1.124 +}
1.125 +
1.126 +static void
1.127 +oil_suggest (const char *s)
1.128 +{
1.129 + OilFunctionClass *klass = oil_class_get (s);
1.130 +
1.131 + if (klass) {
1.132 + oil_suggest_class (klass, 0);
1.133 + }
1.134 +}
1.135 +
1.136 +int
1.137 +main (int argc, char *argv[])
1.138 +{
1.139 + int i;
1.140 +
1.141 + oil_init();
1.142 +
1.143 + if (argc == 1) {
1.144 + oil_suggest_all ();
1.145 + create_xml(0);
1.146 + return 0;
1.147 + }
1.148 +
1.149 + for(i=1;i<argc;i++){
1.150 + oil_suggest (argv[i]);
1.151 + }
1.152 + if(assert_failed)
1.153 + std_log(LOG_FILENAME_LINE,"Test Fail");
1.154 + else
1.155 + std_log(LOG_FILENAME_LINE,"Test Successful");
1.156 + create_xml(0);
1.157 + return 0;
1.158 +}
1.159 +