jonghokim-raphael / aim7-modified

Manycore OS Project with ETRI. Modify AIM7 for simulating microkernel.

AIM7-Modified

This is benchmark for manycore OS simulations.

This benchmark is made by modifying AIM7 benchmark.

If you want to see original AIM7 benchmark, see AIM7 mirror or https://sourceforge.net/projects/aimbench/.

If you want to know about 'Manycore OS Project with ETRI', see this

##How Original AIM7 Works ####AIM7 File List

• Headers
  • files.h
  • funcal.h
  • suite.h
  • testerr.h
• Source Codes
  • multitask.c
  • rpt.c
  • funcal.c
  • add.c
  • mul.c
  • div.c
  • num_fcns.c
  • int_fncs.c
  • rand.c
  • ram.c
  • disk1.c
  • disk_src.c
  • creat-clo.c
  • pipe-test.c
  • rtmsec.c
  • fillin.c
• Workload
  • workload.compute
  • workload.dbase
  • workload.fserver
  • workload.shared
  • aim_1.sh
  • aim_2.sh
  • aim_3.sh
• etc.

Every .c file except multitask.c and rpt.c has only one non-static function, whose name is same with the file name.
(ex) add.c has a function 'add_c()'

We will call the the non-static functions in .c files 'register function', because the functions register all function in the file.
(ex) add_c() will register all functions in add.c: add_double(), add_float(), add_long(), add_short(), add_int().

Every register function will return (source_file *) result.

In suite.h, data type source_file is defined.

typedef struct {

    char *sccs;
    char *filename;
    char *date;
    char *time;
} source_file;

For example, in add.c, register function looks like:

#define PI (3.14159)
#define OPS_PER_LOOP 12

source_file *add_c() {

	static char args_double[256];
	static char args_float[256];
	static source_file s = { " @(#) add.c:1.9 3/4/94 17:16:58",	/* SCCS info */
		__FILE__, __DATE__, __TIME__
	};

	sprintf(args_double, "%g %g 1500000", PI, -PI);	/* arbitrary use of pi */
	register_test("add_double", args_double, add_double,
		      1500 * OPS_PER_LOOP,
		      "Thousand Double Precision Additions");

	sprintf(args_float, "%g %g 1000000", 3.5, -3.5);	/* 3.5 to minimize round-off error */
	register_test("add_float", args_float, add_float, 1000 * OPS_PER_LOOP,
		      "Thousand Single Precision Additions");

	register_test("add_long", "3 -3 5000000", add_long,
		      5000 * OPS_PER_LOOP, "Thousand Long Integer Additions");
	register_test("add_int", "3 -3 5000000", add_int, 5000 * OPS_PER_LOOP,
		      "Thousand Integer Additions");
	register_test("add_short", "3 -3 2000000", add_short,
		      2000 * OPS_PER_LOOP, "Thousand Short Integer Additions");
	return &s;
}

In multitask.c, function register_test() is defined.

void register_test(char *name, char *args, int (*f)(), int factor, char *units) {

    if (num_cmdargs >= MAXCMDARGS) {
	
        fprintf(stderr, "\nInternal Error: Attempted to register too many tests.\n");
		exit(1);
	}

	cmdargs[num_cmdargs].name = name;
	cmdargs[num_cmdargs].args = args;
	cmdargs[num_cmdargs].f = f;
	cmdargs[num_cmdargs].factor = -1;	    /* unused by multitask */
	cmdargs[num_cmdargs].units = units;
	num_cmdargs++;
}

##How Modified AIM7 Works ####AIM7-Modified File List

• Added or Modified to AIM7
  • aim7.h
    : Combine all macro and declarations in headers and source codes & Add custom repetition count macro.
  • fork_test.c
    : Split fork_test() from creat-clo.c
  • main.c
    : Split main() function from multitask.c
• Removed from AIM7
  • suite.h
    : All contents in aim7.h
  • funcal.h
  • testerr.h
  • files.h
  • rtmsec.c
  • fillin.c
  • funcal.c
  • rpt.c