From 8bf8628ec07643f88c9859b720bdbc0b3981f001 Mon Sep 17 00:00:00 2001
From: Philipp Suffa <suffa1@jwlogin24.juwels>
Date: Wed, 22 Mar 2023 17:18:55 +0100
Subject: [PATCH] small change in kernelcreation to allow absolut access only
kernels on GPU
---
pystencils/gpucuda/kernelcreation.py | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/pystencils/gpucuda/kernelcreation.py b/pystencils/gpucuda/kernelcreation.py
index 611c1e56b..bacbd4da6 100644
--- a/pystencils/gpucuda/kernelcreation.py
+++ b/pystencils/gpucuda/kernelcreation.py
@@ -45,12 +45,14 @@ def create_cuda_kernel(assignments: Union[AssignmentCollection, NodeCollection],
num_buffer_accesses += sum(1 for access in eq.atoms(Field.Access) if FieldType.is_buffer(access.field))
common_shape = get_common_shape(fields_without_buffers)
-
if iteration_slice is None:
# determine iteration slice from ghost layers
if ghost_layers is None:
# determine required number of ghost layers from field access
- required_ghost_layers = max([fa.required_ghost_layers for fa in field_accesses])
+ if len(field_accesses) == 0:
+ required_ghost_layers = 0
+ else:
+ required_ghost_layers = max([fa.required_ghost_layers for fa in field_accesses])
ghost_layers = [(required_ghost_layers, required_ghost_layers)] * len(common_shape)
iteration_slice = []
if isinstance(ghost_layers, int):
--
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