'nvidia ion'에 해당되는 글 1건

  1. 2012.05.22 nvidia ion cuda core와 h.264 library
Programming/openCL & CUDA2012. 5. 22. 20:59
2개의 mp를 내장하고 있는데
음. H.264 인코딩/디코딩 라이브러리 제한이 몇개부터드라...

scalar processor는 cuda core인데 1개의 mp에 8개 있고, 4개의 mp가 32 scalar 프로세서이니 
h.264 인코딩은 ion에서는 불가능 할 것으로 보인다

MPEG-2/VC-1 support 
 Decode Acceleration for G8x, G9x (Requires Compute 1.1 or higher) 
 Full Bitstream Decode for MCP79, MCP89, G98, GT2xx, GF1xx 
MPEG-2 CUDA accelerated decode with a GPUs with 8+ SMs (64 CUDA cores).  (Windows) 
 Supports HD (1080i/p) playback including Bluray content 
 R185+ (Windows), R260+ (Linux) 
 
H.264/AVCHD support 
 Baseline, Main, and High Profile, up to Level 4.1  
 Full Bitstream Decoding in hardware including HD (1080i/p) Bluray content 
 Supports B-Frames, bitrates up to 45 mbps 
 Available on NVIDIA GPUs:  G8x, G9x, MCP79, MCP89, G98, GT2xx, GF1xx 
 R185+ (Windows), R260+ (Linux) 

[출처 : CUDA_VideoDecoder_Library.pdf] 

 Supported on all CUDA-enabled GPUs with 32 scalar processor cores or more 
[출처 : CUDA_VideoEncoder_Library.pdf] 
[링크 :  http://www.vpac.org/files/GPU-Slides/05.CudaOptimization.pdf ]

Device 0: "ION"
  CUDA Driver Version:                                             2.30
  CUDA Runtime Version:                                           2.30
  CUDA Capability Major revision number:                 1
  CUDA Capability Minor revision number:                 1
  Total amount of global memory:                                 268435456 bytes
  Number of multiprocessors:                                     2
  Number of cores:                                                         16
  Total amount of constant memory:                         65536 bytes
  Total amount of shared memory per block:         16384 bytes
  Total number of registers available per block: 8192
  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:                                           262144 bytes
  Texture alignment:                                                     256 bytes
  Clock rate:                                                                   1.10 GHz
  Concurrent copy and execution:                                 No
  Run time limit on kernels:                                     No
  Integrated:                                                                   Yes
  Support host page-locked memory mapping:         Yes
  Compute mode:                                                           Default (multiple host threads can use this devi
 
[링크 :  http://forums.nvidia.com/index.php?showtopic=100288 ]  

[링크 : http://www.nvidia.com/object/picoatom_specifications.html ]
[링크 : http://en.wikipedia.org/wiki/Nvidia_Ion ]

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