NCCL 2.4.6-1

Added detection of IBM/Power NVLink bridge device.
    Add NUMA support to PCI distance calculations.
    Added NCCL_IGNORE_CPU_AFFINITY env var.
    Fix memory leaks; GithubIssue#180
    Compiler warning fix; GithubIssue#178
    Replace non-standard variable length arrays. GithubIssue#171
    Fix Tree+Shared Memory crash. GithubPR#185
    Fix LL cleanup hang during long running DL jobs.
    Fix NCCL_RINGS environment variable handling.
    Added extra checks to catch repeat calls to ncclCommDestroy() GithubIssue#191
    Improve bootstrap socket connection reliability at scale.
    Fix hostname hashing issue. GithubIssue#187
    Code cleanup to rename all non device files from *.cu to *.cc

makefiles/common.mk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2015-2018, NVIDIA CORPORATION. All rights reserved.
+# Copyright (c) 2015-2019, NVIDIA CORPORATION. All rights reserved.
 #
 # See LICENSE.txt for license information
 #
@@ -15,6 +15,7 @@ PROFAPI ?= 0
 NVCC = $(CUDA_HOME)/bin/nvcc
 
 CUDA_LIB ?= $(CUDA_HOME)/lib64
+CUDA_INC ?= $(CUDA_HOME)/include
 CUDA_VERSION = $(strip $(shell which $(NVCC) >/dev/null && $(NVCC) --version | grep release | sed 's/.*release //' | sed 's/\,.*//'))
 #CUDA_VERSION ?= $(shell ls $(CUDA_LIB)/libcudart.so.* | head -1 | rev | cut -d "." -f -2 | rev)
 CUDA_MAJOR = $(shell echo $(CUDA_VERSION) | cut -d "." -f 1)
@@ -43,7 +44,8 @@ endif
 #$(info NVCC_GENCODE is ${NVCC_GENCODE})
 
 CXXFLAGS   := -DCUDA_MAJOR=$(CUDA_MAJOR) -DCUDA_MINOR=$(CUDA_MINOR) -fPIC -fvisibility=hidden
-CXXFLAGS   += -Wall -Wno-sign-compare
+CXXFLAGS   += -Wall -Wno-unused-function -Wno-sign-compare -std=c++11 -Wvla
+CXXFLAGS   += -I $(CUDA_INC)
 NVCUFLAGS  := -ccbin $(CXX) $(NVCC_GENCODE) -lineinfo -std=c++11 -Xptxas -maxrregcount=96 -Xfatbin -compress-all
 # Use addprefix so that we can specify more than one path
 NVLDFLAGS  := -L${CUDA_LIB} -lcudart -lrt
@@ -67,7 +69,7 @@ CXXFLAGS  += -O0 -g -ggdb3
 endif
 
 ifneq ($(VERBOSE), 0)
-NVCUFLAGS += -Xptxas -v -Xcompiler -Wall,-Wextra
+NVCUFLAGS += -Xptxas -v -Xcompiler -Wall,-Wextra,-Wno-unused-parameter
 CXXFLAGS  += -Wall -Wextra
 else
 .SILENT: