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- add command line args to let you choose reference implementation,

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emulation, or translation.
- allow multiple timers
- report time required to translate and compile
This commit is contained in:
Bryce Denney 2002-04-17 19:34:57 +00:00
parent 16ec33a673
commit 59572dcbcf
1 changed files with 69 additions and 30 deletions
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99
bochs-performance/testcases/blur-translate.c
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@ -1,6 +1,6 @@
/*
*
* $Id: blur-translate.c,v 1.1 2002-04-17 08:12:49 bdenney Exp $
* $Id: blur-translate.c,v 1.2 2002-04-17 19:34:57 bdenney Exp $
*
*/
@ -15,9 +15,28 @@
int array[MAX][MAX];
int array2[MAX][MAX];
#define BLUR_WINDOW_HALF 1
#define DEFAULT_TIMES 1000
#define MAX_TIMERS 3
struct timeval start[MAX_TIMERS], stop[MAX_TIMERS];
#define start_timer(T) gettimeofday (&start[T], NULL);
#define stop_timer(T) gettimeofday (&stop[T], NULL);
void report_time (FILE *fp, int T, int iters)
{
int usec_duration =
(stop[T].tv_sec*1000000 + stop[T].tv_usec)
- (start[T].tv_sec*1000000 + start[T].tv_usec);
double sec = (double)usec_duration / 1.0e3;
double sec_per_iter = sec / (double)iters;
fprintf (fp, "%f msec\n", sec);
if (iters!=1) {
fprintf (fp, "Iterations = %d\n", iters);
fprintf (fp, "Time per iteration = %f msec\n", sec_per_iter);
}
}
typedef enum {
OP_MOVE_REL, // 2 args delta_x and delta_y
OP_SET_ACCUM, // 1 arg, sets accum to that arg
@ -232,6 +251,7 @@ int translate_block (CodeBlock *block)
if (block->func != NULL) return 0;
block->dlhandle = NULL;
block->func = NULL;
start_timer(1);
// generate C code
sprintf (buffer, "translate%d.c", id);
fprintf (stderr, "building translation function in %s\n", buffer);
@ -269,6 +289,10 @@ int translate_block (CodeBlock *block)
fprintf (stderr, "can't find symbol %s\n", buffer);
return -1;
}
stop_timer(1);
fprintf (stderr, "How long did translation take?\n");
report_time(stderr, 1, 1);
fprintf (stderr, "---\n");
return 0;
}
@ -304,31 +328,41 @@ void dump_array (FILE *fp, int ptr[MAX][MAX])
}
}
struct timeval start, stop;
#define start_timer() gettimeofday (&start, NULL);
#define stop_timer() gettimeofday (&stop, NULL);
void report_time (FILE *fp, int iters)
void usage ()
{
int usec_duration =
(stop.tv_sec*1000000 + stop.tv_usec)
- (start.tv_sec*1000000 + start.tv_usec);
double sec = (double)usec_duration / 1.0e3;
double sec_per_iter = sec / (double)iters;
fprintf (fp, "Total time elapsed = %f msec\n", sec);
fprintf (fp, "Iterations = %d\n", iters);
fprintf (fp, "Time per iteration = %f msec\n", sec_per_iter);
fprintf (stderr, "Usage: blur-translate [-emulate | -reference | -translate] [iterations]\n");
exit(1);
}
enum {
METHOD_REFERENCE,
METHOD_EMULATE,
METHOD_TRANSLATE
};
int main (int argc, char *argv[])
{
int i;
int times = 0;
int times = DEFAULT_TIMES;
FILE *out;
if (argc>1) {
assert (sscanf (argv[1], "%d", &times) == 1);
} else {
times = DEFAULT_TIMES;
int arg = 1;
int method = METHOD_TRANSLATE;
for (arg=1; arg<argc; arg++) {
if (!strncmp (argv[arg], "-ref", 4)) {
fprintf (stderr, "Using reference implementation.\n");
method = METHOD_REFERENCE;
} else if (!strncmp (argv[arg], "-emu", 4)) {
fprintf (stderr, "Using emulation only.\n");
method = METHOD_EMULATE;
} else if (!strncmp (argv[arg], "-tra", 4)) {
fprintf (stderr, "Using translation only.\n");
method = METHOD_TRANSLATE;
} else if (argv[arg][0]>='0' && argv[arg][0]<='9') {
sscanf (argv[arg], "%d", &times);
fprintf (stderr, "Set iterations to %d\n", times);
} else {
usage();
}
}
if (lt_dlinit () != 0) {
fprintf (stderr, "lt_dlinit() failed\n");
@ -336,18 +370,23 @@ int main (int argc, char *argv[])
}
fill_array();
//dump_array (stderr);
start_timer();
start_timer(0);
for (i=0; i<times; i++) {
#if defined USE_SIMPLE
blur_simple ();
#elif defined USE_DYNAMIC_TRANSLATION
execute_code_block (&blur);
#else
emulate_opcodes (blur.opcode_list);
#endif
switch (method) {
case METHOD_REFERENCE:
blur_simple ();
break;
case METHOD_EMULATE:
emulate_opcodes (blur.opcode_list);
break;
case METHOD_TRANSLATE:
execute_code_block (&blur);
break;
}
}
stop_timer();
report_time (stdout, times);
stop_timer(0);
printf ("Total time elapsed:\n");
report_time (stdout, 0, times);
//fprintf (stderr, "-----------------------------------\n");
out = fopen ("blur.out", "w");
assert (out != NULL);