3&HlckKE4Y lspci | grep -i nviWelcome to Ubuntu 16.04.5 LTS (GNU/Linux 4.4.0-131-generic x86_64) * Documentation: https://help.ubuntu.com * Management: https://landscape.canonical.com * Support: https://ubuntu.com/advantage 160 packages can be updated. 92 updates are security updates. New release '18.04.2 LTS' available. Run 'do-release-upgrade' to upgrade to it. user0018@10-101-18-11:~$ ssh user0018@10.111.18.12 user0018@10-111-146-12:~$ ls Anaconda2--Linux-x86_64.sh cuda-samples-9.0 anaconda3 keras Anaconda3-2019.03-Linux-x86_64.sh libGLU.so build libGLU.so.1 caffe ls chainer-5.1.0 nbody cuda nvidia-docker-anaconda cuda_10.1.168_418.67_linux.run pipenv_test cuda_9.0.176_384.81_linux-run tools user0018@10-111-146-12:~$ rm cuda_10.1.168_418.67_linux.run user0018@10-111-146-12:~$ cd cuda-samples-9.0cuda-samples-9.0/samples -bash: cd: cuda-samples-9.0cuda-samples-9.0/samples: No such file or directory user0018@10-111-146-12:~$ cd cuda-samples-9.0/samples user0018@10-111-146-12:~/cuda-samples-9.0/samples$ ls 0_Simple 4_Finance bin uninstall_cuda_samples_9.0.pl 1_Utilities 5_Simulations common 2_Graphics 6_Advanced EULA.txt 3_Imaging 7_CUDALibraries Makefile user0018@10-111-146-12:~/cuda-samples-9.0/samples$ cd 0_Simple user0018@10-111-146-12:~/cuda-samples-9.0/samples/0_Simple$ ls asyncAPI simpleAssert simpleSeparateCompilation cdpSimplePrint simpleAssert_nvrtc simpleStreams cdpSimpleQuicksort simpleAtomicIntrinsics simpleSurfaceWrite clock simpleAtomicIntrinsics_nvrtc simpleTemplates clock_nvrtc simpleCallback simpleTemplates_nvrtc cppIntegration simpleCooperativeGroups simpleTexture cppOverload simpleCubemapTexture simpleTextureDrv cudaOpenMP simpleIPC simpleVoteIntrinsics cudaTensorCoreGemm simpleLayeredTexture simpleVoteIntrinsics_nvrtc fp16ScalarProduct simpleMPI simpleZeroCopy inlinePTX simpleMultiCopy systemWideAtomics inlinePTX_nvrtc simpleMultiGPU template matrixMul simpleOccupancy UnifiedMemoryStreams matrixMulCUBLAS simpleP2P vectorAdd matrixMulDrv simplePitchLinearTexture vectorAddDrv matrixMul_nvrtc simplePrintf vectorAdd_nvrtc user0018@10-111-146-12:~/cuda-samples-9.0/samples/0_Simple$ cd simpleP2P user0018@10-111-146-12:~/cuda-samples-9.0/samples/0_Simple/simpleP2P$ ./simpleP2P [./simpleP2P] - Starting... Checking for multiple GPUs... CUDA-capable device count: 4 > GPU0 = "Tesla V100-SXM2-16GB" IS capable of Peer-to-Peer (P2P) > GPU1 = "Tesla V100-SXM2-16GB" IS capable of Peer-to-Peer (P2P) > GPU2 = "Tesla V100-SXM2-16GB" IS capable of Peer-to-Peer (P2P) > GPU3 = "Tesla V100-SXM2-16GB" IS capable of Peer-to-Peer (P2P) Checking GPU(s) for support of peer to peer memory access... > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU2) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU2) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU2) : Yes Enabling peer access between GPU0 and GPU1... Checking GPU0 and GPU1 for UVA capabilities... > Tesla V100-SXM2-16GB (GPU0) supports UVA: Yes > Tesla V100-SXM2-16GB (GPU1) supports UVA: Yes Both GPUs can support UVA, enabling... Allocating buffers (64MB on GPU0, GPU1 and CPU Host)... Creating event handles... cudaMemcpyPeer / cudaMemcpy between GPU0 and GPU1: 44.84GB/s Preparing host buffer and memcpy to GPU0... Run kernel on GPU1, taking source data from GPU0 and writing to GPU1... Run kernel on GPU0, taking source data from GPU1 and writing to GPU0... Copy data back to host from GPU0 and verify results... Disabling peer access... Shutting down... Test passed user0018@10-111-146-12:~/cuda-samples-9.0/samples/0_Simple/simpleP2P$ cd ~/cuda-samples-9.0/samples/1_Utilities user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities$ ls bandwidthTest deviceQueryDrv topologyQuery deviceQuery p2pBandwidthLatencyTest user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities$ cd p2pBandwidthLatencyTest user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/p2pBandwidthLatencyTest$ ./p2pBandwidthLatencyTest [P2P (Peer-to-Peer) GPU Bandwidth Latency Test] Device: 0, Tesla V100-SXM2-16GB, pciBusID: 61, pciDeviceID: 0, pciDomainID:0 Device: 1, Tesla V100-SXM2-16GB, pciBusID: 62, pciDeviceID: 0, pciDomainID:0 Device: 2, Tesla V100-SXM2-16GB, pciBusID: 89, pciDeviceID: 0, pciDomainID:0 Device: 3, Tesla V100-SXM2-16GB, pciBusID: 8a, pciDeviceID: 0, pciDomainID:0 Device=0 CAN Access Peer Device=1 Device=0 CAN Access Peer Device=2 Device=0 CAN Access Peer Device=3 Device=1 CAN Access Peer Device=0 Device=1 CAN Access Peer Device=2 Device=1 CAN Access Peer Device=3 Device=2 CAN Access Peer Device=0 Device=2 CAN Access Peer Device=1 Device=2 CAN Access Peer Device=3 Device=3 CAN Access Peer Device=0 Device=3 CAN Access Peer Device=1 Device=3 CAN Access Peer Device=2 ***NOTE: In case a device doesn't have P2P access to other one, it falls back to normal memcopy procedure. So you can see lesser Bandwidth (GB/s) in those cases. P2P Connectivity Matrix D\D 0 1 2 3 0 1 1 1 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1 1 Unidirectional P2P=Disabled Bandwidth Matrix (GB/s) D\D 0 1 2 3 0 748.32 9.92 11.02 11.03 1 9.96 742.63 11.02 11.07 2 11.05 11.03 744.05 9.94 3 11.04 11.01 9.92 745.47 Unidirectional P2P=Enabled Bandwidth Matrix (GB/s) D\D 0 1 2 3 0 744.05 47.91 47.95 47.89 1 47.90 745.47 47.96 47.96 2 47.91 47.97 746.89 48.00 3 47.97 47.90 47.97 745.47 Bidirectional P2P=Disabled Bandwidth Matrix (GB/s) D\D 0 1 2 3 0 764.43 10.38 18.92 17.99 1 10.42 765.93 18.08 17.56 2 18.79 18.23 763.69 10.41 3 17.86 17.49 10.43 762.94 Bidirectional P2P=Enabled Bandwidth Matrix (GB/s) D\D 0 1 2 3 0 762.20 95.58 95.67 95.58 1 95.37 765.93 95.67 95.65 2 95.37 95.39 765.93 95.44 3 95.48 95.46 95.51 769.70 P2P=Disabled Latency Matrix (us) D\D 0 1 2 3 0 4.21 20.29 19.84 19.75 1 20.36 4.27 20.36 20.39 2 20.30 20.31 3.92 18.73 3 19.48 19.49 18.69 3.26 P2P=Enabled Latency Matrix (us) D\D 0 1 2 3 0 4.14 7.38 7.32 7.02 1 8.32 4.37 7.45 7.52 2 6.80 6.84 4.04 6.79 3 6.81 6.75 6.88 3.39 NOTE: The CUDA Samples are not meant for performance measurements. Results may vary when GPU Boost is enabled. user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/p2pBandwidthLatencyTest$ cd ~/cuda-samples-9.0/samples/1_Utilities/bandwidthTest user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/bandwidthTest$ ./bandwidthTest [CUDA Bandwidth Test] - Starting... Running on... Device 0: Tesla V100-SXM2-16GB Quick Mode Host to Device Bandwidth, 1 Device(s) PINNED Memory Transfers Transfer Size (Bytes) Bandwidth(MB/s) 33554432 12106.8 Device to Host Bandwidth, 1 Device(s) PINNED Memory Transfers Transfer Size (Bytes) Bandwidth(MB/s) 33554432 12870.1 Device to Device Bandwidth, 1 Device(s) PINNED Memory Transfers Transfer Size (Bytes) Bandwidth(MB/s) 33554432 742260.2 Result = PASS NOTE: The CUDA Samples are not meant for performance measurements. Results may vary when GPU Boost is enabled. user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/bandwidthTest$ cd ~/cuda-samples-9.0/samples/1_Utilities/deviceQuery user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/deviceQuery$ ./deviceQuery ./deviceQuery Starting... CUDA Device Query (Runtime API) version (CUDART static linking) Detected 4 CUDA Capable device(s) Device 0: "Tesla V100-SXM2-16GB" CUDA Driver Version / Runtime Version 10.0 / 9.0 CUDA Capability Major/Minor version number: 7.0 Total amount of global memory: 16130 MBytes (16914055168 bytes) (80) Multiprocessors, ( 64) CUDA Cores/MP: 5120 CUDA Cores GPU Max Clock rate: 1530 MHz (1.53 GHz) Memory Clock rate: 877 Mhz Memory Bus Width: 4096-bit L2 Cache Size: 6291456 bytes Maximum Texture Dimension Size (x,y,z) 1D=(131072), 2D=(131072, 65536), 3D=(16384, 16384, 16384) Maximum Layered 1D Texture Size, (num) layers 1D=(32768), 2048 layers Maximum Layered 2D Texture Size, (num) layers 2D=(32768, 32768), 2048 layers Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 65536 Warp size: 32 Maximum number of threads per multiprocessor: 2048 Maximum number of threads per block: 1024 Max dimension size of a thread block (x,y,z): (1024, 1024, 64) Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535) Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 5 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Alignment requirement for Surfaces: Yes Device has ECC support: Enabled Device supports Unified Addressing (UVA): Yes Supports Cooperative Kernel Launch: Yes Supports MultiDevice Co-op Kernel Launch: Yes Device PCI Domain ID / Bus ID / location ID: 0 / 97 / 0 Compute Mode: < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) > Device 1: "Tesla V100-SXM2-16GB" CUDA Driver Version / Runtime Version 10.0 / 9.0 CUDA Capability Major/Minor version number: 7.0 Total amount of global memory: 16130 MBytes (16914055168 bytes) (80) Multiprocessors, ( 64) CUDA Cores/MP: 5120 CUDA Cores GPU Max Clock rate: 1530 MHz (1.53 GHz) Memory Clock rate: 877 Mhz Memory Bus Width: 4096-bit L2 Cache Size: 6291456 bytes Maximum Texture Dimension Size (x,y,z) 1D=(131072), 2D=(131072, 65536), 3D=(16384, 16384, 16384) Maximum Layered 1D Texture Size, (num) layers 1D=(32768), 2048 layers Maximum Layered 2D Texture Size, (num) layers 2D=(32768, 32768), 2048 layers Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 65536 Warp size: 32 Maximum number of threads per multiprocessor: 2048 Maximum number of threads per block: 1024 Max dimension size of a thread block (x,y,z): (1024, 1024, 64) Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535) Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 5 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Alignment requirement for Surfaces: Yes Device has ECC support: Enabled Device supports Unified Addressing (UVA): Yes Supports Cooperative Kernel Launch: Yes Supports MultiDevice Co-op Kernel Launch: Yes Device PCI Domain ID / Bus ID / location ID: 0 / 98 / 0 Compute Mode: < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) > Device 2: "Tesla V100-SXM2-16GB" CUDA Driver Version / Runtime Version 10.0 / 9.0 CUDA Capability Major/Minor version number: 7.0 Total amount of global memory: 16130 MBytes (16914055168 bytes) (80) Multiprocessors, ( 64) CUDA Cores/MP: 5120 CUDA Cores GPU Max Clock rate: 1530 MHz (1.53 GHz) Memory Clock rate: 877 Mhz Memory Bus Width: 4096-bit L2 Cache Size: 6291456 bytes Maximum Texture Dimension Size (x,y,z) 1D=(131072), 2D=(131072, 65536), 3D=(16384, 16384, 16384) Maximum Layered 1D Texture Size, (num) layers 1D=(32768), 2048 layers Maximum Layered 2D Texture Size, (num) layers 2D=(32768, 32768), 2048 layers Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 65536 Warp size: 32 Maximum number of threads per multiprocessor: 2048 Maximum number of threads per block: 1024 Max dimension size of a thread block (x,y,z): (1024, 1024, 64) Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535) Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 5 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Alignment requirement for Surfaces: Yes Device has ECC support: Enabled Device supports Unified Addressing (UVA): Yes Supports Cooperative Kernel Launch: Yes Supports MultiDevice Co-op Kernel Launch: Yes Device PCI Domain ID / Bus ID / location ID: 0 / 137 / 0 Compute Mode: < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) > Device 3: "Tesla V100-SXM2-16GB" CUDA Driver Version / Runtime Version 10.0 / 9.0 CUDA Capability Major/Minor version number: 7.0 Total amount of global memory: 16130 MBytes (16914055168 bytes) (80) Multiprocessors, ( 64) CUDA Cores/MP: 5120 CUDA Cores GPU Max Clock rate: 1530 MHz (1.53 GHz) Memory Clock rate: 877 Mhz Memory Bus Width: 4096-bit L2 Cache Size: 6291456 bytes Maximum Texture Dimension Size (x,y,z) 1D=(131072), 2D=(131072, 65536), 3D=(16384, 16384, 16384) Maximum Layered 1D Texture Size, (num) layers 1D=(32768), 2048 layers Maximum Layered 2D Texture Size, (num) layers 2D=(32768, 32768), 2048 layers Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 65536 Warp size: 32 Maximum number of threads per multiprocessor: 2048 Maximum number of threads per block: 1024 Max dimension size of a thread block (x,y,z): (1024, 1024, 64) Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535) Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 5 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Alignment requirement for Surfaces: Yes Device has ECC support: Enabled Device supports Unified Addressing (UVA): Yes Supports Cooperative Kernel Launch: Yes Supports MultiDevice Co-op Kernel Launch: Yes Device PCI Domain ID / Bus ID / location ID: 0 / 138 / 0 Compute Mode: < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) > > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU2) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU0) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU2) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU1) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU2) -> Tesla V100-SXM2-16GB (GPU3) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU0) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU1) : Yes > Peer access from Tesla V100-SXM2-16GB (GPU3) -> Tesla V100-SXM2-16GB (GPU2) : Yes deviceQuery, CUDA Driver = CUDART, CUDA Driver Version = 10.0, CUDA Runtime Version = 9.0, NumDevs = 4 Result = PASS user0018@10-111-146-12:~/cuda-samples-9.0/samples/1_Utilities/deviceQuery$ cd user0018@10-111-146-12:~$ nvidia-smi Tue Jun 4 10:31:14 2019 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 410.79 Driver Version: 410.79 CUDA Version: 10.0 | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | |===============================+======================+======================| | 0 Tesla V100-SXM2... Off | 00000000:61:00.0 Off | 0 | | N/A 41C P0 41W / 300W | 0MiB / 16130MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 1 Tesla V100-SXM2... Off | 00000000:62:00.0 Off | 0 | | N/A 39C P0 41W / 300W | 0MiB / 16130MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 2 Tesla V100-SXM2... Off | 00000000:89:00.0 Off | 0 | | N/A 41C P0 42W / 300W | 0MiB / 16130MiB | 0% Default | +-------------------------------+----------------------+----------------------+ | 3 Tesla V100-SXM2... Off | 00000000:8A:00.0 Off | 0 | | N/A 40C P0 42W / 300W | 0MiB / 16130MiB | 0% Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | No running processes found | +-----------------------------------------------------------------------------+ user0018@10-111-146-12:~$ nvidia-smi nvlink -c GPU 0: Tesla V100-SXM2-16GB (UUID: GPU-14ef2108-8f6d-cd32-bb2f-0322773b47a2) Link 0, P2P is supported: true Link 0, Access to system memory supported: true Link 0, P2P atomics supported: true Link 0, System memory atomics supported: true Link 0, SLI is supported: false Link 0, Link is supported: false Link 1, P2P is supported: true Link 1, Access to system memory supported: true Link 1, P2P atomics supported: true Link 1, System memory atomics supported: true Link 1, SLI is supported: false Link 1, Link is supported: false Link 2, P2P is supported: true Link 2, Access to system memory supported: true Link 2, P2P atomics supported: true Link 2, System memory atomics supported: true Link 2, SLI is supported: false Link 2, Link is supported: false Link 3, P2P is supported: true Link 3, Access to system memory supported: true Link 3, P2P atomics supported: true Link 3, System memory atomics supported: true Link 3, SLI is supported: false Link 3, Link is supported: false Link 4, P2P is supported: true Link 4, Access to system memory supported: true Link 4, P2P atomics supported: true Link 4, System memory atomics supported: true Link 4, SLI is supported: false Link 4, Link is supported: false Link 5, P2P is supported: true Link 5, Access to system memory supported: true Link 5, P2P atomics supported: true Link 5, System memory atomics supported: true Link 5, SLI is supported: false Link 5, Link is supported: false GPU 1: Tesla V100-SXM2-16GB (UUID: GPU-78e9d66b-3f46-88de-8fb2-d268ae12993d) Link 0, P2P is supported: true Link 0, Access to system memory supported: true Link 0, P2P atomics supported: true Link 0, System memory atomics supported: true Link 0, SLI is supported: false Link 0, Link is supported: false Link 1, P2P is supported: true Link 1, Access to system memory supported: true Link 1, P2P atomics supported: true Link 1, System memory atomics supported: true Link 1, SLI is supported: false Link 1, Link is supported: false Link 2, P2P is supported: true Link 2, Access to system memory supported: true Link 2, P2P atomics supported: true Link 2, System memory atomics supported: true Link 2, SLI is supported: false Link 2, Link is supported: false Link 3, P2P is supported: true Link 3, Access to system memory supported: true Link 3, P2P atomics supported: true Link 3, System memory atomics supported: true Link 3, SLI is supported: false Link 3, Link is supported: false Link 4, P2P is supported: true Link 4, Access to system memory supported: true Link 4, P2P atomics supported: true Link 4, System memory atomics supported: true Link 4, SLI is supported: false Link 4, Link is supported: false Link 5, P2P is supported: true Link 5, Access to system memory supported: true Link 5, P2P atomics supported: true Link 5, System memory atomics supported: true Link 5, SLI is supported: false Link 5, Link is supported: false GPU 2: Tesla V100-SXM2-16GB (UUID: GPU-3e8c1661-13a3-4c8d-8be9-795f3be88730) Link 0, P2P is supported: true Link 0, Access to system memory supported: true Link 0, P2P atomics supported: true Link 0, System memory atomics supported: true Link 0, SLI is supported: false Link 0, Link is supported: false Link 1, P2P is supported: true Link 1, Access to system memory supported: true Link 1, P2P atomics supported: true Link 1, System memory atomics supported: true Link 1, SLI is supported: false Link 1, Link is supported: false Link 2, P2P is supported: true Link 2, Access to system memory supported: true Link 2, P2P atomics supported: true Link 2, System memory atomics supported: true Link 2, SLI is supported: false Link 2, Link is supported: false Link 3, P2P is supported: true Link 3, Access to system memory supported: true Link 3, P2P atomics supported: true Link 3, System memory atomics supported: true Link 3, SLI is supported: false Link 3, Link is supported: false Link 4, P2P is supported: true Link 4, Access to system memory supported: true Link 4, P2P atomics supported: true Link 4, System memory atomics supported: true Link 4, SLI is supported: false Link 4, Link is supported: false Link 5, P2P is supported: true Link 5, Access to system memory supported: true Link 5, P2P atomics supported: true Link 5, System memory atomics supported: true Link 5, SLI is supported: false Link 5, Link is supported: false GPU 3: Tesla V100-SXM2-16GB (UUID: GPU-123f2c35-8c88-868f-23e9-978dd3996fed) Link 0, P2P is supported: true Link 0, Access to system memory supported: true Link 0, P2P atomics supported: true Link 0, System memory atomics supported: true Link 0, SLI is supported: false Link 0, Link is supported: false Link 1, P2P is supported: true Link 1, Access to system memory supported: true Link 1, P2P atomics supported: true Link 1, System memory atomics supported: true Link 1, SLI is supported: false Link 1, Link is supported: false Link 2, P2P is supported: true Link 2, Access to system memory supported: true Link 2, P2P atomics supported: true Link 2, System memory atomics supported: true Link 2, SLI is supported: false Link 2, Link is supported: false Link 3, P2P is supported: true Link 3, Access to system memory supported: true Link 3, P2P atomics supported: true Link 3, System memory atomics supported: true Link 3, SLI is supported: false Link 3, Link is supported: false Link 4, P2P is supported: true Link 4, Access to system memory supported: true Link 4, P2P atomics supported: true Link 4, System memory atomics supported: true Link 4, SLI is supported: false Link 4, Link is supported: false Link 5, P2P is supported: true Link 5, Access to system memory supported: true Link 5, P2P atomics supported: true Link 5, System memory atomics supported: true Link 5, SLI is supported: false Link 5, Link is supported: false user0018@10-111-146-12:~$ cat /etc/os-release NAME="Ubuntu" VERSION="16.04.5 LTS (Xenial Xerus)" ID=ubuntu ID_LIKE=debian PRETTY_NAME="Ubuntu 16.04.5 LTS" VERSION_ID="16.04" HOME_URL="http://www.ubuntu.com/" SUPPORT_URL="http://help.ubuntu.com/" BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/" VERSION_CODENAME=xenial UBUNTU_CODENAME=xenial user0018@10-111-146-12:~$ nvcc -V nvcc: NVIDIA (R) Cuda compiler driver Copyright (c) 2005-2017 NVIDIA Corporation Built on Fri_Sep__1_21:08:03_CDT_2017 Cuda compilation tools, release 9.0, V9.0.176 user0018@10-111-146-12:~$ lspci | grep -i nvidia 61:00.0 3D controller: NVIDIA Corporation GV100GL [Tesla V100 SXM2 16GB] (rev a1) 62:00.0 3D controller: NVIDIA Corporation GV100GL [Tesla V100 SXM2 16GB] (rev a1) 89:00.0 3D controller: NVIDIA Corporation GV100GL [Tesla V100 SXM2 16GB] (rev a1) 8a:00.0 3D controller: NVIDIA Corporation GV100GL [Tesla V100 SXM2 16GB] (rev a1) user0018@10-111-146-12:~$dia