os/ossrv/genericopenlibs/liboil/tsrc/examples/oil-suggest/src/oil-suggest.c
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/*
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 * LIBOIL - Library of Optimized Inner Loops
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 * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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 * POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <liboil/liboil.h>
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#include <liboil/liboilfunction.h>
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#include <liboil/liboilcpu.h>
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#include <liboil/liboiltest.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#define LOG_FILE "c:\\logs\\examples_oil-suggest_log.txt"
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#include "std_log_result.h"
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#define LOG_FILENAME_LINE __FILE__, __LINE__
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void create_xml(int result)
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{
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    if(result)
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        assert_failed = 1;
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    testResultXml("examples_oil-suggest");
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    close_log_file();
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}
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static int
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is_poorly_strided (OilFunctionClass *klass)
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{
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  OilPrototype *proto;
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  int i;
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  int j;
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  OilParameter *param;
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  proto = oil_prototype_from_string (klass->prototype);
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  for(i=0;i<proto->n_params;i++) {
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    if (proto->params[i].is_stride) {
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      for(j=0;j<proto->n_params;j++) {
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        param = proto->params + j;
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        if (param->parameter_type == (proto->params[i].parameter_type - 1)) {
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          if (param->prestride_length == 1 && param->poststride_length == 0) {
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            oil_prototype_free (proto);
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            return 1;
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          }
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        }
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      }
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    }
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  }
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  oil_prototype_free (proto);
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  return 0;
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}
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static double
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get_speed_score (OilFunctionClass *klass)
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{
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  OilFunctionImpl *impl;
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  double max;
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  double x;
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  max = 1.0;
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  for(impl = klass->first_impl; impl; impl = impl->next) {
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    x =  klass->reference_impl->profile_ave / impl->profile_ave;
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    if (x > max) max = x;
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  }
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  return max;
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}
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static void
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oil_suggest_class (OilFunctionClass *klass, int verbose)
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{
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  double x;
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  if (is_poorly_strided (klass)) return;
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  x = get_speed_score (klass);
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  if (x < 20.0) {
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  std_log(LOG_FILENAME_LINE,"%s %g\n", klass->name, x);
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  }
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}
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static void
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oil_suggest_all (void)
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{
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  int i;
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  int n;
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  n = oil_class_get_n_classes ();
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  for (i = 0; i < n; i++){
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    OilFunctionClass *klass = oil_class_get_by_index (i);
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    oil_suggest_class (klass, 0);
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  }
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}
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static void
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oil_suggest (const char *s)
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{
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  OilFunctionClass *klass = oil_class_get (s);
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  if (klass) {
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    oil_suggest_class (klass, 0);
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  }
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}
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int
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main (int argc, char *argv[])
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{
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  int i;
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  oil_init();
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  if (argc == 1) {
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    oil_suggest_all ();
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	create_xml(0);
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    return 0;
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  }
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  for(i=1;i<argc;i++){
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    oil_suggest (argv[i]);
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  }
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    if(assert_failed)
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          std_log(LOG_FILENAME_LINE,"Test Fail");
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    else
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          std_log(LOG_FILENAME_LINE,"Test Successful");
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    create_xml(0);
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    return 0;
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}
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