## diffname mpc/memspeed.c 2000/0516
## diff -e /dev/null /n/emeliedump/2000/0516/sys/src/9/mpc/memspeed.c
0a
#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "io.h"
char d0[1000008], d1[1000008];
static void test(int size, int align);
void
memspeed()
{
int j;
spllo();
memmove(d0, d1, sizeof(d0));
for(j = 0; j<8; j++)
test(12, j);
for(j = 0; j<8; j++)
test(100, j);
for(j = 0; j<8; j++)
test(400, j);
for(j = 0; j<8; j++)
test(1000, j);
for(j = 0; j<8; j++)
test(10000, j);
for(j = 0; j<8; j++)
test(100000, j);
for(j = 0; j<8; j++)
test(1000000, j);
}
static void
test(int size, int align)
{
int n;
int t;
t = -TK2MS(m->ticks);
n = 10000000/size;
while(n) {
memmove(d0+align, d1, size);
n--;
}
t += TK2MS(m->ticks);
print("size = %d align = %d KB/s %d %d\n", size, align, 10000000/t, t);
}
.
## diffname mpc/memspeed.c 2001/0527 # deleted
## diff -e /n/emeliedump/2000/0516/sys/src/9/mpc/memspeed.c /n/emeliedump/2001/0527/sys/src/9/mpc/memspeed.c
1,53d
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