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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <bits/nan.h>
#include "gverb.h"
void run(const char *desc);
#define rdtscll(val) __asm__ __volatile__("rdtsc" : "=A" (val))
#define SIZE 48000
float in[SIZE], out[2][SIZE];
ty_gverb *verb;
int main(int argc, char *argv[])
{
long long then, now;
unsigned int i;
float v;
verb = gverb_new(48000, 300.0f, 50.0f, 7.0f, 0.5f, 15.0f, 0.5f, 0.5f, 0.5f);
for (i=0; i<SIZE; i++) {
in[i] = sin((double)i * 0.03);
}
run("slow sin");
for (i=0; i<SIZE; i++) {
in[i] = sin((double)i);
}
run("fast sin");
v = 0.0000001535354543f;
for (i=0; i<SIZE; i++) {
in[i] = v;
v *= 0.0001f;
}
run("small numbers");
v = 1.0f;
for (i=0; i<SIZE; i++) {
in[i] = v;
v *= 10.0f;
}
run("big numbers");
for (i=0; i<SIZE/2; i++) {
in[i] = sin((double)i);
}
for (; i<SIZE; i++) {
in[i] = i % 50 * 0.0000000001543534f;
}
run("sin then small");
for (i=0; i<SIZE/2; i++) {
in[i] = sin((double)i);
}
for (; i<SIZE; i++) {
in[i] = 0.0f;
}
run("sin then zero");
for (i=0; i<SIZE; i++) {
in[i] = 0.0f;
}
run("all zeros");
for (i=0; i<SIZE; i++) {
in[i] = 0.00000000432432f;
}
run("small constant");
v = 1.0f;
for (i=0; i<SIZE; i++) {
if (random() > RAND_MAX / 5) {
v *= -1.0f;
}
v *= -1.0f;
in[i] = 1.0f;
}
run("+0dB pulse constant");
for (i=0; i<SIZE; i++) {
in[i] = 1.0e100f;
}
run("+lots dB constant");
rdtscll(then);
gverb_flush(verb);
rdtscll(now);
printf("flush took %lld cycles\n", now-then);
return 0;
}
void run(const char *desc)
{
unsigned int i;
long long then, now;
// total flush test: verb = gverb_new(48000, 300.0f, 50.0f, 7.0f, 0.5f, 15.0f, 0.5f, 0.5f, 0.5f);
rdtscll(then);
for (i=0; i<SIZE; i++) {
//printf("%f\n", in[i]);
gverb_do(verb, in[i], out[0]+i, out[1]+i);
}
rdtscll(now);
printf("%s took %lld cycles/sample\n", desc, (now - then) / (long long)SIZE);
gverb_flush(verb);
}
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