From 1771d391facee5fe7a244f4f57a7adb23b3fb81c Mon Sep 17 00:00:00 2001
From: Yang Liu <liuyangzhuan@gmail.com>
Date: Fri, 16 Aug 2024 15:56:18 -0700
Subject: [PATCH] removed cudaSetDevice in setLUstruct_GPU

---
 SRC/CplusplusFactor/schurCompUpdate_impl.cuh | 6 +++---
 {SRC/cuda => SRC_OLD}/superlu_gpu.cu         | 0
 2 files changed, 3 insertions(+), 3 deletions(-)
 rename {SRC/cuda => SRC_OLD}/superlu_gpu.cu (100%)

diff --git a/SRC/CplusplusFactor/schurCompUpdate_impl.cuh b/SRC/CplusplusFactor/schurCompUpdate_impl.cuh
index d777395a..f65c73a0 100644
--- a/SRC/CplusplusFactor/schurCompUpdate_impl.cuh
+++ b/SRC/CplusplusFactor/schurCompUpdate_impl.cuh
@@ -696,12 +696,12 @@ int_t xLUstruct_t<Ftype>::setLUstruct_GPU()
     A_gpu.Pc = Pc;
     A_gpu.maxSuperSize = ldt;
 
-    /* Sherry: this mapping may be inefficient on Frontier */
+    /* Sherry: this mapping may be inefficient on Frontier. Yang: I commented it out as the mapping can be set by env SUPERLU_BIND_MPI_GPU in superlu_gridinit3d */
     /*Mapping to device*/
     int deviceCount;
     cudaGetDeviceCount(&deviceCount); // How many GPUs?
-    int device_id = grid3d->iam % deviceCount;
-    cudaSetDevice(device_id);
+    // int device_id = grid3d->iam % deviceCount;
+    // cudaSetDevice(device_id);
 
     double tRegion[5];
     size_t useableGPUMem = getGPUMemPerProcs(grid3d->comm);
diff --git a/SRC/cuda/superlu_gpu.cu b/SRC_OLD/superlu_gpu.cu
similarity index 100%
rename from SRC/cuda/superlu_gpu.cu
rename to SRC_OLD/superlu_gpu.cu