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redesign of the SVM benchmark

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This commit is contained in:
Stefan Lankes 2011-08-22 13:15:49 -07:00
parent 6f1c07c0dc
commit b0b9b0996e
1 changed files with 42 additions and 32 deletions
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74
kernel/tests.c
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@ -131,6 +131,46 @@ static int svm_test(void *arg)
my_ue = RCCE_ue();
num_ues = RCCE_num_ues();
#if 1
if (!my_ue) {
// allocate and initialize SVM region
A[0] = (int*) kmalloc(3*N*N*sizeof(int));
memset((void*) A[0], 0x00, 3*N*N*sizeof(int));
// initialize matrices
for(i=0; i<N; i++) {
A[i] = A[0] + i*N;
B[i] = A[0] + (i*N + N*N);
C[i] = A[0] + (i*N + 2*N*N);
}
for(i=0; i<N; i++) {
A[i][i] = 1;
for(j=0; j<N; j++)
B[i][j] = i+j;
}
kputs("Start sequentiell calculation...\n");
start = rdtsc();
start = rdtsc();
// start calculation
for(i=0; i<N; i++)
for(j=0; j<N; j++)
for(k=0; k<N; k++)
C[i][j] += A[i][k] * B[k][j];
end = rdtsc();
kprintf("Calculation time (seq): %llu\n", end-start);
kfree(A[0], 3*N*N*sizeof(int));
}
RCCE_barrier(&RCCE_COMM_WORLD);
#endif
// allocate and initialize SVM region
A[0] = (int*) svmmalloc(3*N*N*sizeof(int));
if (!my_ue)
@ -153,38 +193,9 @@ static int svm_test(void *arg)
svm_flush();
// Now, we need only read access on A and B
//change_page_permissions((size_t) A[0], (size_t) (A[0]+2*N*N), VMA_CACHEABLE|VMA_READ);
change_page_permissions((size_t) A[0], (size_t) (A[0]+2*N*N), VMA_CACHEABLE|VMA_READ);
RCCE_barrier(&RCCE_COMM_WORLD);
#if 0
kputs("Start sequentiell calculation...\n");
start = rdtsc();
start = rdtsc();
// start calculation
if (!my_ue) {
for(i=0; i<N; i++)
for(j=0; j<N; j++)
for(k=0; k<N; k++)
C[i][j] += A[i][k] * B[k][j];
}
end = rdtsc();
if (!my_ue) {
memset(C[0], 0x00, N*N*sizeof(int));
// CL1FLUSH
svm_flush();
kprintf("Calculation time (seq): %llu\n", end-start);
}
RCCE_barrier(&RCCE_COMM_WORLD);
#endif
kputs("Start parallel calculation...\n");
start = rdtsc();
@ -198,9 +209,8 @@ static int svm_test(void *arg)
svm_flush();
end = rdtsc();
RCCE_barrier(&RCCE_COMM_WORLD);
end = rdtsc();
kputs("Check results...\n");