void ADIOS1CommonRead::ScheduleReadCommon(const std::string &name,
const Dims &offs, const Dims &ldims,
const int fromStep, const int nSteps,
const bool readAsLocalValue,
const bool readAsJoinedArray,
void *data)
{
if (readAsLocalValue)
{
/* Get all the requested values from metadata now */
ADIOS_VARINFO *vi = adios_inq_var(m_fh, name.c_str());
if (vi)
{
adios_inq_var_stat(m_fh, vi, 0, 1);
int elemsize = adios_type_size(vi->type, nullptr);
long long blockidx = 0;
for (int i = 0; i < fromStep; i++)
{
blockidx += vi->nblocks[i];
}
char *dest = (char *)data;
for (int i = fromStep; i < fromStep + nSteps; i++)
{
for (int j = 0; j < vi->nblocks[i]; j++)
{
memcpy(dest, vi->statistics->blocks->mins[blockidx],
elemsize);
++blockidx;
dest += elemsize;
}
}
adios_free_varinfo(vi);
}
}
else
{
uint64_t start[32], count[32];
for (int i = 0; i < ldims.size(); i++)
{
start[i] = (uint64_t)offs[i];
count[i] = (uint64_t)ldims[i];
}
ADIOS_SELECTION *sel = nullptr;
if (ldims.size() > 0)
{
sel = adios_selection_boundingbox(ldims.size(), start, count);
}
adios_schedule_read(m_fh, sel, name.c_str(), (int)fromStep, (int)nSteps,
data);
adios_selection_delete(sel);
}
}
