Refine GPU runtime controls and input checker

2026-05-18 01:02:55 +08:00
parent f2264989d8
commit a99534d2f3
8 changed files with 514 additions and 67 deletions
--- a/AMSS_NCKU_source/bssn_class.C
+++ b/AMSS_NCKU_source/bssn_class.C
@@ -552,6 +552,16 @@ bool fill_bssn_cuda_views_count(Block *cg, MyList<var> *vars,

 bool bssn_cuda_use_resident_sync(int lev)
 {
+  static int enabled = -1;
+  if (enabled < 0)
+  {
+    const char *env = getenv("AMSS_CUDA_RESIDENT_SYNC");
+    if (!env)
+      env = getenv("AMSS_CUDA_BSSN_RESIDENT_SYNC");
+    enabled = env ? ((atoi(env) != 0) ? 1 : 0) : 1;
+  }
+  if (!enabled)
+    return false;
  (void)lev;
  return true;
 }