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#include <stdio.h>
#include <emscripten.h>
#include <bind.h>
int counter = 0;
extern "C"
{
int __attribute__((noinline)) get_counter()
{
return counter;
}
void __attribute__((noinline)) increment_counter()
{
++counter;
}
int __attribute__((noinline)) sum_int(int v1, int v2, int v3, int v4, int v5, int v6, int v7, int v8, int v9)
{
return v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9;
}
float __attribute__((noinline)) sum_float(float v1, float v2, float v3, float v4, float v5, float v6, float v7, float v8, float v9)
{
return v1 + v2 + v3 + v4 + v5 + v6 + v7 + v8 + v9;
}
int __attribute__((noinline)) returns_input(int i)
{
return i;
}
extern void increment_counter_benchmark_js(int N);
extern void returns_input_benchmark_js();
extern void sum_int_benchmark_js();
extern void sum_float_benchmark_js();
extern void increment_counter_benchmark_embind_js(int N);
extern void returns_input_benchmark_embind_js();
extern void sum_int_benchmark_embind_js();
extern void sum_float_benchmark_embind_js();
}
EMSCRIPTEN_BINDINGS(benchmark)
{
using namespace emscripten;
function("get_counter", &get_counter);
function("increment_counter", &increment_counter);
function("returns_input", &returns_input);
function("sum_int", &sum_int);
function("sum_float", &sum_float);
}
void __attribute__((noinline)) emscripten_get_now_benchmark(int N)
{
volatile float t = emscripten_get_now();
for(int i = 0; i < N; ++i)
{
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
emscripten_get_now();
}
volatile float t2 = emscripten_get_now();
printf("C++ emscripten_get_now %d iters: %f msecs.\n", N, 1000.f*(t2-t));
}
void __attribute__((noinline)) increment_counter_benchmark(int N)
{
volatile float t = emscripten_get_now();
for(int i = 0; i < N; ++i)
{
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
increment_counter();
}
volatile float t2 = emscripten_get_now();
printf("C++ increment_counter %d iters: %f msecs.\n", N, 1000.f*(t2-t));
}
void __attribute__((noinline)) returns_input_benchmark()
{
volatile int r = 0;
volatile float t = emscripten_get_now();
for(int i = 0; i < 100000; ++i)
{
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
r += returns_input(i);
}
volatile float t2 = emscripten_get_now();
printf("C++ returns_input 100000 iters: %f msecs.\n", 1000.f*(t2-t));
}
void __attribute__((noinline)) sum_int_benchmark()
{
volatile float t = emscripten_get_now();
volatile int r = 0;
for(int i = 0; i < 100000; ++i)
{
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
r += sum_int(i,2,3,4,5,6,7,8,9);
}
volatile float t2 = emscripten_get_now();
printf("C++ sum_int 100000 iters: %f msecs.\n", 1000.f*(t2-t));
}
void __attribute__((noinline)) sum_float_benchmark()
{
volatile float f = 0.f;
volatile float t = emscripten_get_now();
for(int i = 0; i < 100000; ++i)
{
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
f += sum_float((float)i,2.f,3.f,4.f,5.f,6.f,7.f,8.f,9.f);
}
volatile float t2 = emscripten_get_now();
printf("C++ sum_float 100000 iters: %f msecs.\n", 1000.f*(t2-t));
}
int main()
{
for(int i = 1000; i <= 100000; i *= 10)
emscripten_get_now_benchmark(i);
printf("\n");
for(int i = 1000; i <= 100000; i *= 10)
{
increment_counter_benchmark(i);
increment_counter_benchmark_js(i);
increment_counter_benchmark_embind_js(i);
printf("\n");
}
returns_input_benchmark();
returns_input_benchmark_js();
returns_input_benchmark_embind_js();
printf("\n");
sum_int_benchmark();
sum_int_benchmark_js();
sum_int_benchmark_embind_js();
printf("\n");
sum_float_benchmark();
sum_float_benchmark_js();
sum_float_benchmark_embind_js();
}
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