static int dw_codelet_facto_pivot(starpu_data_handle_t *dataAp,
struct piv_s *piv_description,
unsigned nblocks,
starpu_data_handle_t (* get_block)(starpu_data_handle_t *, unsigned, unsigned, unsigned),
double *timing)
{
double start;
double end;
int ret;
/* create all the DAG nodes */
unsigned i,j,k;
if (bound)
starpu_bound_start(bounddeps, boundprio);
start = starpu_timing_now();
for (k = 0; k < nblocks; k++)
{
ret = create_task_11_pivot(dataAp, nblocks, k, piv_description, get_block);
if (ret == -ENODEV) return ret;
for (i = 0; i < nblocks; i++)
{
if (i != k)
{
ret = create_task_pivot(dataAp, nblocks, piv_description, k, i, get_block);
if (ret == -ENODEV) return ret;
}
}
for (i = k+1; i<nblocks; i++)
{
ret = create_task_12(dataAp, nblocks, k, i, get_block);
if (ret == -ENODEV) return ret;
ret = create_task_21(dataAp, nblocks, k, i, get_block);
if (ret == -ENODEV) return ret;
}
starpu_data_wont_use(get_block(dataAp, nblocks, k, k));
for (i = k+1; i<nblocks; i++)
for (j = k+1; j<nblocks; j++)
{
ret = create_task_22(dataAp, nblocks, k, i, j, get_block);
if (ret == -ENODEV) return ret;
}
for (i = k+1; i<nblocks; i++)
{
starpu_data_wont_use(get_block(dataAp, nblocks, k, i));
starpu_data_wont_use(get_block(dataAp, nblocks, i, k));
}
}
/* stall the application until the end of computations */
starpu_task_wait_for_all();
end = starpu_timing_now();
if (bound)
starpu_bound_stop();
*timing = end - start;
return 0;
}
static double dw_codelet_facto_pivot(starpu_data_handle *dataAp,
struct piv_s *piv_description,
unsigned nblocks,
starpu_data_handle (* get_block)(starpu_data_handle *, unsigned, unsigned, unsigned))
{
struct timeval start;
struct timeval end;
/* create all the DAG nodes */
unsigned i,j,k;
starpu_event first_event = starpu_event_create();
events = malloc(sizeof(starpu_event) * nblocks * nblocks);
pivots = malloc(sizeof(starpu_event) * nblocks);
EVENT(0,0) = first_event;
starpu_event_retain(first_event);
for (k = 0; k < nblocks; k++)
{
create_task_11_pivot(dataAp, nblocks, k, piv_description, get_block);
for (i = 0; i < nblocks; i++)
{
if (i != k)
create_task_pivot(dataAp, nblocks, piv_description, k, i, get_block);
}
for (i = k+1; i<nblocks; i++)
{
create_task_12(dataAp, nblocks, k, i, get_block);
create_task_21(dataAp, nblocks, k, i, get_block);
}
for (i = k+1; i<nblocks; i++)
{
for (j = k+1; j<nblocks; j++)
{
create_task_22(dataAp, nblocks, k, i, j, get_block);
}
}
for (i = 0; i < nblocks; i++)
{
if (i != k)
starpu_event_release(PIVOT(i));
}
}
starpu_event last_event = EVENT(nblocks-1, nblocks-1);
starpu_event_retain(last_event);
for (i=0; i<nblocks; i++)
for (j=0; j<nblocks && i<=j; j++)
starpu_event_release(EVENT(i,j));
free(events);
free(pivots);
/*FIXME: we should wait for all the pivot tasks too */
/* schedule the codelet */
gettimeofday(&start, NULL);
starpu_event_trigger(first_event);
/* stall the application until the end of computations */
starpu_event_wait(last_event);
gettimeofday(&end, NULL);
double timing = (double)((end.tv_sec - start.tv_sec)*1000000 + (end.tv_usec - start.tv_usec));
return timing;
}
