GPU Hardware
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GPU Hardware on Sapelo
- 16 NVIDIA K40m GPU cards. These cards are installed on 2 hosts, each of which has dual 8-core Intel Xeon CPUs and 128GB of RAM; there are 8 GPU cards per host. The output of NVIDIA SDK deviceQuery for one such GPU card is
Device 0: "Tesla K40m"
CUDA Driver Version / Runtime Version 6.5 / 6.5
CUDA Capability Major/Minor version number: 3.5
Total amount of global memory: 11520 MBytes (12079136768 bytes)
(15) Multiprocessors, (192) CUDA Cores/MP: 2880 CUDA Cores
GPU Clock rate: 745 MHz (0.75 GHz)
Memory Clock rate: 3004 Mhz
Memory Bus Width: 384-bit
L2 Cache Size: 1572864 bytes
Maximum Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536, 65536), 3D=(4096, 4096, 4096)
Maximum Layered 1D Texture Size, (num) layers 1D=(16384), 2048 layers
Maximum Layered 2D Texture Size, (num) layers 2D=(16384, 16384), 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 2 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
Device PCI Bus ID / PCI location ID: 4 / 0
Compute Mode:
< Exclusive Process (many threads in one process is able to use ::cudaSetDevice() with this device) >
GPU Hardware on zcluster
- 32 NVIDIA Tesla (Kepler) K20Xm GPU cards (32 x 2688 = 86016 GPU cores). These cards are installed on 4 hosts each of which has dual 6-core Intel Xeon CPUs and 96GB of RAM; there are 8 GPU cards per host. The output of NVIDIA SDK deviceQuery for one such GPU card is
Device 0: "Tesla K20Xm" CUDA Driver Version / Runtime Version 5.5 / 5.0 CUDA Capability Major/Minor version number: 3.5 Total amount of global memory: 5760 MBytes (6039339008 bytes) (14) Multiprocessors x (192) CUDA Cores/MP: 2688 CUDA Cores GPU Clock rate: 732 MHz (0.73 GHz) Memory Clock rate: 2600 Mhz Memory Bus Width: 384-bit L2 Cache Size: 1572864 bytes Max Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536,65536), 3D=(4096,4096,4096) Max Layered Texture Size (dim) x layers 1D=(16384) x 2048, 2D=(16384,16384) x 2048 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 Maximum sizes of each dimension of a block: 1024 x 1024 x 64 Maximum sizes of each dimension of a grid: 2147483647 x 65535 x 65535 Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 2 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 Device PCI Bus ID / PCI location ID: 18 / 0
- 10 NVIDIA Tesla (Fermi) M2070 GPU cards (9 x 448 = 4032 GPU cores). These cards are installed on 2 hosts each of which has dual 6-core Intel Xeon CPUs and 48GB of RAM; there are currently 6 GPU cards on one host and 3 on the other. The output of NVIDIA SDK deviceQuery for one such GPU card isoutput of NVIDIA SDK deviceQuery
Device 0: "Tesla M2070" CUDA Driver Version / Runtime Version 5.0 / 5.0 CUDA Capability Major/Minor version number: 2.0 Total amount of global memory: 6144 MBytes (6442123264 bytes) (14) Multiprocessors x ( 32) CUDA Cores/MP: 448 CUDA Cores GPU Clock rate: 1147 MHz (1.15 GHz) Memory Clock rate: 1566 Mhz Memory Bus Width: 384-bit L2 Cache Size: 786432 bytes Max Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536,65535), 3D=(2048,2048,2048) Max Layered Texture Size (dim) x layers 1D=(16384) x 2048, 2D=(16384,16384) x 2048 Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 32768 Warp size: 32 Maximum number of threads per multiprocessor: 1536 Maximum number of threads per block: 1024 Maximum sizes of each dimension of a block: 1024 x 1024 x 64 Maximum sizes of each dimension of a grid: 65535 x 65535 x 65535 Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and kernel execution: Yes with 2 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: Disabled Device supports Unified Addressing (UVA): Yes Device PCI Bus ID / PCI location ID: 18 / 0
- One NVIDIA Tesla S1070 with four GPU cards (4 x 240 = 960 GPU cores) for programs written to use this architecture, output of NVIDIA SDK deviceQuery:
Device 0: "Tesla T10 Processor" CUDA Driver Version / Runtime Version 5.0 / 4.0 CUDA Capability Major/Minor version number: 1.3 Total amount of global memory: 4096 MBytes (4294770688 bytes) (30) Multiprocessors x ( 8) CUDA Cores/MP: 240 CUDA Cores GPU Clock Speed: 1.44 GHz Memory Clock rate: 800.00 Mhz Memory Bus Width: 512-bit Max Texture Dimension Size (x,y,z) 1D=(8192), 2D=(65536,32768), 3D=(2048,2048,2048) Max Layered Texture Size (dim) x layers 1D=(8192) x 512, 2D=(8192,8192) x 512 Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 16384 bytes Total number of registers available per block: 16384 Warp size: 32 Maximum number of threads per block: 512 Maximum sizes of each dimension of a block: 512 x 512 x 64 Maximum sizes of each dimension of a grid: 65535 x 65535 x 1 Maximum memory pitch: 2147483647 bytes Texture alignment: 256 bytes Concurrent copy and execution: Yes with 1 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Concurrent kernel execution: No Alignment requirement for Surfaces: Yes Device has ECC support enabled: No Device is using TCC driver mode: No Device supports Unified Addressing (UVA): No Device PCI Bus ID / PCI location ID: 11 / 0
- One NVIDIA C2075 GPU card (448 GPU cores), output of NVIDIA SDK deviceQuery:
Device 0: "Tesla C2075" CUDA Driver Version / Runtime Version 5.0 / 4.0 CUDA Capability Major/Minor version number: 2.0 Total amount of global memory: 6144 MBytes (6442123264 bytes) (14) Multiprocessors x (32) CUDA Cores/MP: 448 CUDA Cores GPU Clock Speed: 1.15 GHz Memory Clock rate: 1566.00 Mhz Memory Bus Width: 384-bit L2 Cache Size: 786432 bytes Max Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536,65535), 3D=(2048,2048,2048) Max Layered Texture Size (dim) x layers 1D=(16384) x 2048, 2D=(16384,16384) x 2048 Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 32768 Warp size: 32 Maximum number of threads per block: 1024 Maximum sizes of each dimension of a block: 1024 x 1024 x 64 Maximum sizes of each dimension of a grid: 65535 x 65535 x 65535 Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bytes Concurrent copy and execution: Yes with 2 copy engine(s) Run time limit on kernels: No Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Concurrent kernel execution: Yes Alignment requirement for Surfaces: Yes Device has ECC support enabled: No Device is using TCC driver mode: No Device supports Unified Addressing (UVA): Yes Device PCI Bus ID / PCI location ID: 3 / 0