From 2b8b3bd42110b8b753a8d6423a25384c0fbb5306 Mon Sep 17 00:00:00 2001
From: Anna Brown <anbrown@nvidia.com>
Date: Mon, 23 Jan 2023 09:03:16 -0800
Subject: [PATCH] don't copy self sufficient slices when sources on gpu

---
 include/atrip/SliceUnion.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/atrip/SliceUnion.hpp b/include/atrip/SliceUnion.hpp
index 6ecaf9a..06b9f92 100644
--- a/include/atrip/SliceUnion.hpp
+++ b/include/atrip/SliceUnion.hpp
@@ -200,7 +200,7 @@ template <typename F=double>
                            : Slice<F>::Fetch
                            ;
           if (blank.info.state == Slice<F>::SelfSufficient) {
-#if defined(HAVE_CUDA)
+#if defined(HAVE_CUDA) && !defined(ATRIP_SOURCES_IN_GPU)
             const size_t _size = sizeof(F) * sliceSize;
             // TODO: this is code duplication with downstairs
             if (freePointers.size() == 0) {
@@ -221,7 +221,6 @@ template <typename F=double>
                                                          (void*)SOURCES_DATA(sources[from.source]),
                                                          sizeof(F) * sliceSize));
                         ))
-
 #else
             blank.data = SOURCES_DATA(sources[from.source]);
 #endif