blob: 1abbba2c50d708b000aa6f914cbf4171554ea11e [file] [log] [blame]
#include <stdio.h>
#define p(x) fprintf(stderr,x);
void show_help(char *prog_name)
{
fprintf(stderr,"Help/Manual for Dependency Analyzer");
p("\nThis program is written by Peter Rundberg, Chalmers University of Technology\n")
p("Questions about this software should be directed to biff@ce.chalmers.se\n\n")
p("To determine the data hazards between loop iterations this program analyzes\n")
p("trace data from a run of the program examined. The program also analyzes the\n")
p("potential speedup obtainable from running the loop iterations in parallel.\n\n")
p("The program requires a number of settings to be done either on the\n")
p("command line or in the settings file.\n\n")
p("Available flags. Many of these can be set in the settings file.\n");
p("-c # : CPU limit. Only effective with 'realistic restart'. 0==unlimited.\n");
p("-C # : CPU limit for run through several configurations.\n");
p("-d : Check for DATA dependencies (RAW)\n");
p("-e # : Epoch length (number of loop iterations per epoch).\n");
p("-E : Use epoch length as total number of epochs\n");
p("-f : Do NOT use forwarding in speedup analysis\n");
p("-g # : Specify Thread start penalty\n");
p("-G # : Specify Commit penalty\n");
p("-h : Show complete help message\n");
p("-i # : Print SpeedUp for 1 - Loop, 2 - Program, 3 - Both.\n");
p("-k # : The test kernel to be used in the test.\n");
p(" 1 - Optimum restart. 2 - Realistic restart. 3 - Both\n");
p("-l # : Max length of hazard top-list. -- NOT IMPLEMENTED --\n");
p("-m : Analyze instruction mix\n");
p("-n : Check for NAME dependencies (WAR & WAW) -- NOT IMPLEMENTED --\n");
p("-o <FILE> : Output graphing data to FILE\n");
p("-p # : Specify load penalty\n");
p("-P # : Specify store penalty\n");
p("-q : Quiet mode (do not print processing status)\n");
p("-s : Do speedup analysis\n");
p("-S : Do speedup analysis, start early\n");
p("-t # : Specify the size of the def_hash_table.\n");
p("-x <FILE> : Use other settings file. DEFAULT: analyzer.conf\n");
p("-X : Do not read settings from a file\n");
p("\n");
}