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And Action #43

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569b46d
Updates to work with CUDA 13.x
prateekchawla168 Mar 23, 2026
85d7e90
update to c++17
prateekchawla168 Mar 24, 2026
6135584
And Action
AndiH Mar 27, 2026
47a825e
Add CUDA container image
AndiH Mar 27, 2026
808cde8
fix OpenMPI path
AndiH Mar 27, 2026
2574a62
Fix vim auto-linting
AndiH Mar 27, 2026
7475b07
Expand coverage
AndiH Mar 27, 2026
c005377
Merge branch '03-multi-gpu' of github.com:prateekchawla168/tutorial-m…
AndiH Mar 27, 2026
1e51438
Small correction
AndiH Mar 27, 2026
bc076ff
Fail slow
AndiH Mar 27, 2026
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32 changes: 32 additions & 0 deletions .github/workflows/ci.yml
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@@ -0,0 +1,32 @@
name: CI
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
jobs:
build:
strategy:
fail-fast: false
matrix:
exercise:
- 03-H_Multi_GPU_Parallelization/solutions
- 06-H_Overlap_Communication_and_Computation_MPI/solutions
- 08-H_NCCL_NVSHMEM/solutions/NCCL
- 08-H_NCCL_NVSHMEM/solutions/NVSHMEM
- 10-H_CUDA_Graphs_and_Device-initiated_Communication_with_NVSHMEM/solutions/Device-initiated_Communication_with_NVSHMEM
- 10-H_CUDA_Graphs_and_Device-initiated_Communication_with_NVSHMEM/solutions/Using_CUDA_Graphs
runs-on: ubuntu-latest
container:
image: nvidia/cuda:13.2.0-devel-ubuntu24.04
steps:
- uses: actions/checkout@v3
- name: Install dependencies
run: |
apt-get update && apt-get install -y build-essential openmpi-bin libopenmpi-dev
- name: Build first example
working-directory: ${{ matrix.exercise }}
env:
MPI_HOME: /usr/lib/x86_64-linux-gnu/openmpi
run: |
make jacobi
4 changes: 2 additions & 2 deletions 03-H_Multi_GPU_Parallelization/.master/Makefile.in
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Expand Up @@ -24,8 +24,8 @@ ifdef DISABLE_CUB
else
NVCC_FLAGS = -DHAVE_CUB
endif
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX -lnvToolsExt $(GENCODE_FLAGS) -std=c++14 -I$(MPI_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart -lnvToolsExt
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX $(GENCODE_FLAGS) -std=c++17 -I$(MPI_HOME)/include -I$(CUDA_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart
jacobi: Makefile jacobi.cu
$(NVCC) $(NVCC_FLAGS) jacobi.cu -c -o jacobi.o
$(NVCC) $(GENCODE_FLAGS) jacobi.o -o jacobi $(NVCC_LDFLAGS)
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2 changes: 1 addition & 1 deletion 03-H_Multi_GPU_Parallelization/.master/jacobi.cu
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Expand Up @@ -59,7 +59,7 @@
#include <cuda_runtime.h>

#ifdef USE_NVTX
#include <nvToolsExt.h>
#include <nvtx3/nvToolsExt.h>

const uint32_t colors[] = {0x0000ff00, 0x000000ff, 0x00ffff00, 0x00ff00ff,
0x0000ffff, 0x00ff0000, 0x00ffffff};
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4 changes: 2 additions & 2 deletions 03-H_Multi_GPU_Parallelization/solutions/Makefile
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Expand Up @@ -24,8 +24,8 @@ ifdef DISABLE_CUB
else
NVCC_FLAGS = -DHAVE_CUB
endif
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX -lnvToolsExt $(GENCODE_FLAGS) -std=c++14 -I$(MPI_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart -lnvToolsExt
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX $(GENCODE_FLAGS) -std=c++17 -I$(MPI_HOME)/include -I$(CUDA_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart
jacobi: Makefile jacobi.cu
$(NVCC) $(NVCC_FLAGS) jacobi.cu -c -o jacobi.o
$(NVCC) $(GENCODE_FLAGS) jacobi.o -o jacobi $(NVCC_LDFLAGS)
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4 changes: 2 additions & 2 deletions 03-H_Multi_GPU_Parallelization/solutions/advanced/Makefile
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Expand Up @@ -24,8 +24,8 @@ ifdef DISABLE_CUB
else
NVCC_FLAGS = -DHAVE_CUB
endif
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX -lnvToolsExt $(GENCODE_FLAGS) -std=c++14 -I$(MPI_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart -lnvToolsExt
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX $(GENCODE_FLAGS) -std=c++17 -I$(MPI_HOME)/include -I$(CUDA_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart
jacobi: Makefile jacobi.cu
$(NVCC) $(NVCC_FLAGS) jacobi.cu -c -o jacobi.o
$(NVCC) $(GENCODE_FLAGS) jacobi.o -o jacobi $(NVCC_LDFLAGS)
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2 changes: 1 addition & 1 deletion 03-H_Multi_GPU_Parallelization/solutions/advanced/jacobi.cu
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Expand Up @@ -59,7 +59,7 @@
#include <cuda_runtime.h>

#ifdef USE_NVTX
#include <nvToolsExt.h>
#include <nvtx3/nvToolsExt.h>

const uint32_t colors[] = {0x0000ff00, 0x000000ff, 0x00ffff00, 0x00ff00ff,
0x0000ffff, 0x00ff0000, 0x00ffffff};
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2 changes: 1 addition & 1 deletion 03-H_Multi_GPU_Parallelization/solutions/jacobi.cu
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Expand Up @@ -59,7 +59,7 @@
#include <cuda_runtime.h>

#ifdef USE_NVTX
#include <nvToolsExt.h>
#include <nvtx3/nvToolsExt.h>

const uint32_t colors[] = {0x0000ff00, 0x000000ff, 0x00ffff00, 0x00ff00ff,
0x0000ffff, 0x00ff0000, 0x00ffffff};
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4 changes: 2 additions & 2 deletions 03-H_Multi_GPU_Parallelization/tasks/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@ ifdef DISABLE_CUB
else
NVCC_FLAGS = -DHAVE_CUB
endif
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX -lnvToolsExt $(GENCODE_FLAGS) -std=c++14 -I$(MPI_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart -lnvToolsExt
NVCC_FLAGS += -dc -Xcompiler -fopenmp -lineinfo -DUSE_NVTX $(GENCODE_FLAGS) -std=c++17 -I$(MPI_HOME)/include -I$(CUDA_HOME)/include
NVCC_LDFLAGS = -ccbin=mpic++ -L$(NVSHMEM_HOME) -L$(MPI_HOME)/lib -lmpi -L$(CUDA_HOME)/lib64 -lcuda -lcudart
jacobi: Makefile jacobi.cu
$(NVCC) $(NVCC_FLAGS) jacobi.cu -c -o jacobi.o
$(NVCC) $(GENCODE_FLAGS) jacobi.o -o jacobi $(NVCC_LDFLAGS)
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2 changes: 1 addition & 1 deletion 03-H_Multi_GPU_Parallelization/tasks/jacobi.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -59,7 +59,7 @@
#include <cuda_runtime.h>

#ifdef USE_NVTX
#include <nvToolsExt.h>
#include <nvtx3/nvToolsExt.h>

const uint32_t colors[] = {0x0000ff00, 0x000000ff, 0x00ffff00, 0x00ff00ff,
0x0000ffff, 0x00ff0000, 0x00ffffff};
Expand Down
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