int
main (int argc, char ** argv)
{
stinger_t * S = stinger_new();
/* insert your data now */
load_benchmark_data_into_stinger (S, argv[1],0);
/* get number of vertices */
uint64_t nv = stinger_max_active_vertex (S);
nv++;
print_fragmentation_stats (S, nv);
/* auxiliary data structure */
double * pagerank_scores = xmalloc (nv * sizeof(int64_t));
double * pagerank_scores_tmp = xmalloc (nv * sizeof(int64_t));
/* the algorithm itself (timed) */
bench_start();
pagerank (S, nv, pagerank_scores, pagerank_scores_tmp, 1e-8, 0.85, 100);
bench_end();
printf("Done.\n");
/* cleanup */
free (pagerank_scores);
free (pagerank_scores_tmp);
stinger_free_all (S);
return 0;
}
void
edit_typeset_rep::typeset_sub (SI& x1, SI& y1, SI& x2, SI& y2) {
//time_t t1= texmacs_time ();
typeset_prepare ();
eb= empty_box (reverse (rp));
// saves memory, also necessary for change_log update
bench_start ("typeset");
#ifdef USE_EXCEPTIONS
try {
#endif
eb= ::typeset (ttt, x1, y1, x2, y2);
#ifdef USE_EXCEPTIONS
}
catch (string msg) {
the_exception= msg;
std_error << "Typesetting failure, resetting to empty document\n";
assign (rp, tree (DOCUMENT, ""));
::notify_assign (ttt, path(), subtree (et, rp));
eb= ::typeset (ttt, x1, y1, x2, y2);
}
handle_exceptions ();
#endif
bench_end ("typeset");
//time_t t2= texmacs_time ();
//if (t2 - t1 >= 10) cout << "typeset took " << t2-t1 << "ms\n";
picture_cache_clean ();
}
// evaluate cost of a simple as possible system call
void bench_syscall(void)
{
uint64_t t0, t1;
int i;
t0 = bench_start();
for (i = 0; i < N; i++) {
syscall(SYS_getpid);
}
t1 = bench_end();
printf("System call (getpid): %" PRIu64 " cycles\n",
(t1 - t0 - tsc_overhead) / N);
}
// measure the cost to call `clock_gettime` for the specified clock
uint64_t clock_overhead()
{
int i;
struct timespec t;
uint64_t t0, t1, overhead = ~0;
// we run N times and take the min
for (i = 0; i < N; i++) {
t0 = bench_start();
clock_gettime(CLOCK, &t);
t1 = bench_end();
if (t1 - t0 < overhead)
overhead = t1 - t0;
}
return overhead - tsc_overhead;
}
int main(){
bench_start();
int result = tarai(12,6,0);
bench_end();
}
static double
bench(const LilvPlugin* p, uint32_t sample_count, uint32_t block_size)
{
URITable uri_table;
uri_table_init(&uri_table);
LV2_URID_Map map = { &uri_table, uri_table_map };
LV2_Feature map_feature = { LV2_URID_MAP_URI, &map };
LV2_URID_Unmap unmap = { &uri_table, uri_table_unmap };
LV2_Feature unmap_feature = { LV2_URID_UNMAP_URI, &unmap };
const LV2_Feature* features[] = { &map_feature, &unmap_feature, NULL };
float* const buf = (float*)calloc(block_size * 2, sizeof(float));
float* const in = buf;
float* const out = buf + block_size;
if (!buf) {
fprintf(stderr, "Out of memory\n");
return 0.0;
}
LV2_Atom_Sequence seq = {
{ sizeof(LV2_Atom_Sequence_Body),
uri_table_map(&uri_table, LV2_ATOM__Sequence) },
{ 0, 0 } };
const char* uri = lilv_node_as_string(lilv_plugin_get_uri(p));
LilvNodes* required = lilv_plugin_get_required_features(p);
LILV_FOREACH(nodes, i, required) {
const LilvNode* feature = lilv_nodes_get(required, i);
if (!lilv_node_equals(feature, urid_map)) {
fprintf(stderr, "<%s> requires feature <%s>, skipping\n",
uri, lilv_node_as_uri(feature));
free(buf);
uri_table_destroy(&uri_table);
return 0.0;
}
}
LilvInstance* instance = lilv_plugin_instantiate(p, 48000.0, features);
if (!instance) {
fprintf(stderr, "Failed to instantiate <%s>\n",
lilv_node_as_uri(lilv_plugin_get_uri(p)));
free(buf);
uri_table_destroy(&uri_table);
return 0.0;
}
float* controls = (float*)calloc(
lilv_plugin_get_num_ports(p), sizeof(float));
lilv_plugin_get_port_ranges_float(p, NULL, NULL, controls);
const uint32_t n_ports = lilv_plugin_get_num_ports(p);
for (uint32_t index = 0; index < n_ports; ++index) {
const LilvPort* port = lilv_plugin_get_port_by_index(p, index);
if (lilv_port_is_a(p, port, lv2_ControlPort)) {
lilv_instance_connect_port(instance, index, &controls[index]);
} else if (lilv_port_is_a(p, port, lv2_AudioPort) ||
lilv_port_is_a(p, port, lv2_CVPort)) {
if (lilv_port_is_a(p, port, lv2_InputPort)) {
lilv_instance_connect_port(instance, index, in);
} else if (lilv_port_is_a(p, port, lv2_OutputPort)) {
lilv_instance_connect_port(instance, index, out);
} else {
fprintf(stderr, "<%s> port %d neither input nor output, skipping\n",
uri, index);
lilv_instance_free(instance);
free(buf);
free(controls);
uri_table_destroy(&uri_table);
return 0.0;
}
} else if (lilv_port_is_a(p, port, atom_AtomPort)) {
lilv_instance_connect_port(instance, index, &seq);
} else {
fprintf(stderr, "<%s> port %d has unknown type, skipping\n",
uri, index);
lilv_instance_free(instance);
free(buf);
free(controls);
uri_table_destroy(&uri_table);
return 0.0;
}
}
lilv_instance_activate(instance);
struct timespec ts = bench_start();
for (uint32_t i = 0; i < (sample_count / block_size); ++i) {
lilv_instance_run(instance, block_size);
}
const double elapsed = bench_end(&ts);
lilv_instance_deactivate(instance);
lilv_instance_free(instance);
uri_table_destroy(&uri_table);
if (full_output) {
printf("%d %d ", block_size, sample_count);
}
printf("%lf %s\n", elapsed, uri);
free(buf);
free(controls);
return elapsed;
}
