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redesign of the init code

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=> now, all cores initialize the arrays
This commit is contained in:
Stefan Lankes 2011-10-24 01:24:37 -07:00
parent 97a648020a
commit a36cc3f3a9
2 changed files with 24 additions and 26 deletions
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50
apps/laplace.c
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@ -54,9 +54,12 @@
//#define FIX 1024
#define FIX 1
#define USE_SVM 1
#define MEMTYPE SVM_STRONG
//#define MEMTYPE SVM_LAZYRELEASE
#define USE_STRONG 1
#define USE_LAZYRELEASE 0
#if USE_STRONG && USE_LAZYRELEASE
#error Please, use only one memory model
#endif
static inline double pow(double a, int b)
{
@ -137,15 +140,19 @@ int laplace(void *arg)
#endif
NewValues = (volatile DATA **)kmalloc((N + 2) * sizeof(DATA *));
#if USE_SVM
NewValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), MEMTYPE);
#if USE_STRONG
NewValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), SVM_STRONG);
#elif USE_LATYRELEASE
NewValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), SVM_LAZYRELEASE);
#else
NewValues[0] = (DATA *) kmalloc((N + 2) * (M + 2) * sizeof(DATA));
#endif
OldValues = (volatile DATA **)kmalloc((N + 2) * sizeof(DATA *));
#if USE_SVM
OldValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), MEMTYPE);
#if USE_STRONG
OldValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), SVM_STRONG);
#elif USE_LATYRELEASE
OldValues[0] = (DATA *) svmmalloc((N + 2) * (M + 2) * sizeof(DATA), SVM_LAZYRELEASE);
#else
OldValues[0] = (DATA *) kmalloc((N + 2) * (M + 2) * sizeof(DATA));
#endif
@ -171,8 +178,11 @@ int laplace(void *arg)
int height = N + 2;
int width = M + 2;
if (my_rank == 0) {
/*if (my_rank == 0) {
for (i = 0; i < N + 2; i++) {
for (j = 0; j < M + 2; j++) {*/
{
for (i = I; i < I + n + 2; i++) {
for (j = 0; j < M + 2; j++) {
double X = (((double)j / (double)width) * 5.0) - 2.5;
@ -186,20 +196,14 @@ int laplace(void *arg)
else if (Z > 0.0)
Z = 0.0;
NewValues[i][j] = (DATA) ((Z) * 255.0) * FIX;
OldValues[i][j] = NewValues[i][j] = (DATA) ((Z) * 255.0) * FIX;
//if(NewValues[i][j] < 0) NewValues[i][j] = 0;
}
}
for (i = 0; i < N + 2; i++) {
for (j = 0; j < M + 2; j++) {
OldValues[i][j] = NewValues[i][j];
}
}
}
#if USE_SVM
#if USE_LAZYRELEASE
svm_flush();
svm_invalidate();
#endif
@ -219,12 +223,6 @@ int laplace(void *arg)
for (i = 1; i < n + 1; i++) {
// over all rows
for (j = 1; j < m + 1; j++) {
#if !USE_SVM
if (j % CACHE_LINE == 1) {
asm volatile ("movl %0, %%eax" :: "r"(&(NewValues[I + i][J + j])) : "%eax");
}
#endif
#if 1
NewValues[I + i][J + j] =
(OldValues[I + i - 1][J + j] +
@ -238,7 +236,7 @@ int laplace(void *arg)
#endif
}
}
#if USE_SVM
#if USE_LAZYRELEASE
svm_flush();
svm_invalidate();
#endif
@ -247,8 +245,8 @@ int laplace(void *arg)
NewValues = OldValues;
OldValues = tmp;
RCCE_TNS_barrier(&RCCE_COMM_WORLD);
//RCCE_barrier(&RCCE_COMM_WORLD);
//RCCE_TNS_barrier(&RCCE_COMM_WORLD);
RCCE_barrier(&RCCE_COMM_WORLD);
#ifdef _USE_GFX
if ((my_rank == 0) && (t % 50 == 0)) {
@ -281,7 +279,7 @@ int laplace(void *arg)
kprintf("Calculation time: %llu ms (%llu ticks)\n", (end-start)/(1000ULL*get_cpu_frequency()), end-start);
#if USE_SVM
#if USE_STRONG || USE_LAZYRELEASE
svm_statistics();
#endif
}

0
apps/scc_bootinfo.asm Normal file
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