HLL loop nest cannot run with collapse

2026-10-07 07:04:57 +00:00 · 2024-08-07 10:54:19 +02:00
parent a28d3b048b
commit 464baceb13
1 changed files with 2 additions and 4 deletions
@@ -64,11 +64,9 @@ contains
      do i = 1, m
        y(i) = beta * y(i)
      end do
-#if (__GNUC__ <= 13) 
+      ! This loop nest cannot be run with collapse, since
+      ! the inner loop extent varies.
      !$acc parallel loop present(a, x, y)
-#else      
-      !$acc parallel loop collapse(2) present(a, x, y)
-#endif
      do i = 1, nhacks
        do j = a%hkoffs(i), a%hkoffs(i + 1) - 1
          y(a%irn(j)) = y(a%irn(j)) + alpha * a%val(j) * x(a%ja(j))