QDPJIT parity only flopped on ODD parity

lattice · Oct 28, 2024 · 4474826 · 4474826
1 parent 6d3343b
commit 4474826
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/include/kernels/copy_color_spinor.cuh b/include/kernels/copy_color_spinor.cuh
@@ -24,7 +24,9 @@ namespace quda
     int ret_val = f.SiteOrder() == QUDA_ODD_EVEN_SITE_ORDER ? 1 : 0;
 
     // Account for potential parity flip to access single parity subset QDP-JIT fields
-    if (f.FieldOrder() == QUDA_QDPJIT_FIELD_ORDER && f.SiteSubset() == QUDA_PARITY_SITE_SUBSET) {
+    // The Flip is only needed fir offsetting into Odd Parity Fields
+    if (f.FieldOrder() == QUDA_QDPJIT_FIELD_ORDER && f.SiteSubset() == QUDA_PARITY_SITE_SUBSET
+        && f.SuggestedParity() == QUDA_ODD_PARITY) {
       ret_val = 1 - ret_val;
     }