From 04cd446d89e4092a8dda9da91494fac87f35e9c3 Mon Sep 17 00:00:00 2001
From: Wenkai Du <wenkai.du@amd.com>
Date: Fri, 16 Aug 2019 16:34:14 -0700
Subject: [PATCH] Assign unused nmvlDev to avoid random number

[ROCm/rccl commit: 86efdfc3b55ec231c213266be88ac619efbadbf1]
---
 projects/rccl/src/misc/utils.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/projects/rccl/src/misc/utils.cc b/projects/rccl/src/misc/utils.cc
index 614c78b936..ec0c0502c6 100644
--- a/projects/rccl/src/misc/utils.cc
+++ b/projects/rccl/src/misc/utils.cc
@@ -17,6 +17,10 @@
 
 // Convert a logical cudaDev index to the NVML device minor number
 ncclResult_t getNvmlDevice(int cudaDev, int *nvmlDev) {
+#if defined(__HIP_PLATFORM_HCC__) || defined(__HCC__) || defined(__HIPCC__)
+  // assign nmvlDev to be same as cudaDev to avoid garbage numbers
+  *nvmlDev = cudaDev;
+#else
   char busId[NVML_DEVICE_PCI_BUS_ID_BUFFER_SIZE];
   nvmlDevice_t nvmlDevice;
   unsigned int dev;
@@ -26,6 +30,7 @@ ncclResult_t getNvmlDevice(int cudaDev, int *nvmlDev) {
   NCCLCHECK(wrapNvmlDeviceGetMinorNumber(nvmlDevice, &dev));
 
   *nvmlDev = dev;
+#endif
 
   return ncclSuccess;
 }