主题:Fortran程序已经在GPU上跑起来了。
1) 我的显卡 8400SE
应该是能运行CUDA最低档的显卡了,GPU-Z显示16个流处理器(SP),
[img]http://linuxl4.gicp.net/lsw/8400se.jpg[/img]
但是用pgi自带的命令查看,却只有8个流处理器。
Device Number: 0
Device Name: GeForce 8400 SE
Device Revision Number: 1.1
Global Memory Size: 267714560
Number of Multiprocessors: 1
Number of Cores: 8
Concurrent Copy and Execution: No
Total Constant Memory: 65536
Total Shared Memory per Block: 16384
Registers per Block: 8192
Warp Size: 32
Maximum Threads per Block: 8192
Maximum Block Dimensions: 512 x 512 x 64
Maximum Grid Dimensions: 65535 x 65535 x 1
Maximum Memory Pitch: 262144B
Texture Alignment 256B
Clock Rate: 918 MHz
我想既然pgi认为只有8个核心,那么不管这个卡是8个还是16个核心,都是以8个核心进行计算了。
应该是能运行CUDA最低档的显卡了,GPU-Z显示16个流处理器(SP),
[img]http://linuxl4.gicp.net/lsw/8400se.jpg[/img]
但是用pgi自带的命令查看,却只有8个流处理器。
Device Number: 0
Device Name: GeForce 8400 SE
Device Revision Number: 1.1
Global Memory Size: 267714560
Number of Multiprocessors: 1
Number of Cores: 8
Concurrent Copy and Execution: No
Total Constant Memory: 65536
Total Shared Memory per Block: 16384
Registers per Block: 8192
Warp Size: 32
Maximum Threads per Block: 8192
Maximum Block Dimensions: 512 x 512 x 64
Maximum Grid Dimensions: 65535 x 65535 x 1
Maximum Memory Pitch: 262144B
Texture Alignment 256B
Clock Rate: 918 MHz
我想既然pgi认为只有8个核心,那么不管这个卡是8个还是16个核心,都是以8个核心进行计算了。