| #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"); |
| } |