shithub: bench9

ref: 1046ee01c738fea18079cfbb2eb305b1e572b03b
dir: /main.c/

#include <u.h>
#include <libc.h>
#include <thread.h>
#include "b.h"

static void
proc(void *)
{
	threadexits(nil);
}

void
threadmain(int argc, char **argv)
{
	B group[10], *b;
	uchar d[1];
	int f;

	ARGBEGIN{
	}ARGEND

	b = &group[0];

	f = open("/dev/null", OREAD);
	benchinit(b, "read/1");
	while(b->n > 0){
		benchin(b);
		read(f, d, 1);
		benchout(b);
	}

	b++;
	benchinit(b, "read/0");
	while(b->n > 0){
		benchin(b);
		read(f, d, 0);
		benchout(b);
	}
	close(f);

	b++;
	benchinit(b, "sin(n)");
	while(b->n > 0){
		benchin(b);
		sin(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "cos(n)");
	while(b->n > 0){
		benchin(b);
		cos(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "tan(n)");
	while(b->n > 0){
		benchin(b);
		tan(b->n);
		benchout(b);
	}

	b++;
	benchinit(b, "sleep(0)");
	while(b->n > 0){
		benchin(b);
		sleep(0);
		benchout(b);
	}

	b++;
	benchinit(b, "proccreate");
	while(b->n > 0){
		benchin(b);
		proccreate(proc, (void*)b->n, 1024);
		benchout(b);
	}

	b++;
	benchinit(b, "memmove(4k)");
	while(b->n > 0){
		char *x, *y;
		x = malloc(4096);
		y = malloc(4096);
		benchin(b);
		memmove(x, y, 4096);
		benchout(b);
		free(x);
		free(y);
	}

	b++;
	benchinit(b, "memmove(64k)");
	while(b->n > 0){
		char *x, *y;
		x = malloc(65536);
		y = malloc(65536);
		benchin(b);
		memmove(x, y, 65536);
		benchout(b);
		free(x);
		free(y);
	}

	b++;
	benchinit(b, "memmove(256k)");
	while(b->n > 0){
		char *x, *y;
		x = malloc(256*1024);
		y = malloc(256*1024);
		benchin(b);
		memmove(x, y, 256*1024);
		benchout(b);
		free(x);
		free(y);
	}

	benchprint(group, nelem(group), 1);

	threadexitsall(nil);
}