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#include <gfsm.h>
#include <glib.h>
#include <stdio.h>
static const gulong count_test
//= 1048576UL //== 2^20
//= 16777216UL //== 2^24
//= 33554432UL //==2^25
= 268435456UL //==2^28
//= 4294967295UL //== 2^32-1
;
//======================================================================
// Basic bench subs
inline gfsmLabelId get_lower(gfsmArc *a) { return a->lower; }
inline gfsmLabelId get_upper(gfsmArc *a) { return a->upper; }
inline gfsmLabelId get_label_offset(gfsmArc *a, gint offset) {
return *((gfsmLabelId*)G_STRUCT_MEMBER_P(&a,offset));
}
//======================================================================
// Bench: literal: lower
double bench_literal_lower(gfsmArc *a) {
gfsmLabelId l;
GTimer *timer = g_timer_new();
gulong i;
double elapsed;
g_timer_start(timer);
for (i=0; i < count_test; i++) {
//-- BEGIN TEST CODE
l = get_lower(a);
//-- END TEST CODE
}
elapsed = g_timer_elapsed(timer,NULL);
g_timer_destroy(timer);
return elapsed;
}
//======================================================================
// Bench: offset
double bench_offset(gfsmArc *a, gint lab_offset) {
gfsmLabelId l;
GTimer *timer = g_timer_new();
gulong i;
double elapsed;
g_timer_start(timer);
for (i=0; i < count_test; i++) {
//-- BEGIN TEST CODE
l = get_label_offset(a,lab_offset);
//-- END TEST CODE
}
elapsed = g_timer_elapsed(timer,NULL);
g_timer_destroy(timer);
return elapsed;
}
//======================================================================
// Bench: offset: lower
#define bench_offset_lower(a) bench_offset((a),G_STRUCT_OFFSET(gfsmArc, lower))
//======================================================================
// MAIN
int main(int argc, char **argv) {
gfsmArc a = {0,1,2,3,4.5};
double elapsed_literal, elapsed_offset, count_dbl=count_test;
printf("G_STRUCT_OFFSET(gfsmArc, lower)=%d: *()=%d\n",
G_STRUCT_OFFSET(gfsmArc, lower),
*((gfsmLabelId*)G_STRUCT_MEMBER_P(&a,G_STRUCT_OFFSET(gfsmArc, lower)))
);
printf("G_STRUCT_OFFSET(gfsmArc, upper)=%d: *()=%d\n",
G_STRUCT_OFFSET(gfsmArc, upper),
*((gfsmLabelId*)G_STRUCT_MEMBER_P(&a,G_STRUCT_OFFSET(gfsmArc, upper)))
);
printf("G_STRUCT_OFFSET(gfsmArc, weight)=%d: *()=%g\n",
G_STRUCT_OFFSET(gfsmArc, weight),
*((gfsmWeight*)G_STRUCT_MEMBER_P(&a,G_STRUCT_OFFSET(gfsmArc, weight)))
);
//-- bench
elapsed_literal = bench_literal_lower(&a);
elapsed_literal = bench_literal_lower(&a);
//
elapsed_offset = bench_offset_lower(&a);
elapsed_offset = bench_offset_lower(&a);
//
//
fprintf(stderr, "%16s: %.2f sec, %ld iters, %.2e iter/sec\n",
"literal", elapsed_literal, count_test, count_dbl/elapsed_literal);
fprintf(stderr, "%16s: %.2f sec, %ld iters, %.2e iter/sec\n",
"offset", elapsed_offset, count_test, count_dbl/elapsed_offset);
return 0;
}
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