64-BitBrainstorm_2026/AMSS-NCKU
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Reduce redundant GPU host buffer preparation

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This commit is contained in:
CGH0S7
2026-04-09 21:20:45 +08:00
parent cf3c6d6218
commit e1a0bff43c
2 changed files with 11 additions and 24 deletions
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20
AMSS_NCKU_source/bssn_cuda_step.C
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@@ -124,25 +124,6 @@ void bssn_class::Step_MainPath_GPU(int lev, int YN)
}
};
auto stage_upload_var_list =
[&](Block *cg, MyList<var> *var_list) {
const int n = cg->shape[0] * cg->shape[1] * cg->shape[2];
while (var_list)
{
if (bssn_gpu_stage_upload_buffer(cg->fgfs[var_list->data->sgfn], n))
{
cerr << "GPU state upload failure: lev=" << lev
<< " var=" << var_list->data->name
<< " bbox=(" << cg->bbox[0] << ":" << cg->bbox[3] << ","
<< cg->bbox[1] << ":" << cg->bbox[4] << ","
<< cg->bbox[2] << ":" << cg->bbox[5] << ")" << endl;
ERROR = 1;
break;
}
var_list = var_list->next;
}
};
auto ensure_stage_device_var_list =
[&](Block *cg, MyList<var> *var_list) {
const int n = cg->shape[0] * cg->shape[1] * cg->shape[2];
@@ -340,7 +321,6 @@ void bssn_class::Step_MainPath_GPU(int lev, int YN)
Block *cg = BP->data;
if (myrank == cg->rank)
{
stage_upload_var_list(cg, StateList);
if (gpu_rhs(CALLED_BY_STEP, myrank, RHS_PARA_CALLED_FIRST_TIME))
ERROR = 1;