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Makefile: Detect nccl on rpm based distros. #812

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Makefile: Detect nccl on rpm based distros. #812

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8 changes: 7 additions & 1 deletion Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,13 @@ else
# Detect if running on macOS or Linux
ifeq ($(SHELL_UNAME), Darwin)
$(info ✗ Multi-GPU on CUDA on Darwin is not supported, skipping NCCL support)
else ifeq ($(shell dpkg -l | grep -q nccl && echo "exists"), exists)
# Debian and Ubuntu flavored distributions
else ifeq ($(shell dpkg -l 2>/dev/null | grep -q nccl && echo "exists"), exists)
$(info ✓ NCCL found, OK to train with multiple GPUs)
NVCC_FLAGS += -DMULTI_GPU
NVCC_LDLIBS += -lnccl
# RHEL and Fedora flavored distributions
else ifeq ($(shell rpm -qa 2>/dev/null | grep -q nccl && echo "exists"), exists)
$(info ✓ NCCL found, OK to train with multiple GPUs)
NVCC_FLAGS += -DMULTI_GPU
NVCC_LDLIBS += -lnccl
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