CUDA のインストール その２

研究室と自宅にそれぞれ一台ずつ CUDA をインストールしたマシンを用意した。OS は両方とも Fedora 8 (x86_64)。CUDA のデモでマンデルブローの描画ソフトが付いているが、以前自分で作成したマンデルブロー図形よりもはるかに高速で綺麗に描画されている。

○1台目: CPU Core 2 Duo E6600 (2.4GHz), ビデオカード GeForce 8800 GTS 512MB

./deviceQuery
There is 1 device supporting CUDA

Device 0: "GeForce 8800 GTS 512"
Major revision number: 1
Minor revision number: 1
Total amount of global memory: 536150016 bytes
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: 1620000 kilohertz

./bandwidthTest
Quick Mode
Host to Device Bandwidth for Pageable memory
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 1521.1

Quick Mode
Device to Host Bandwidth for Pageable memory
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 1406.4

Quick Mode
Device to Device Bandwidth
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 50910.8


○2台目: CPU Xeon 2.8GHz (nocona の一番始めの製品), ビデオカード GeForce 8600GTS 256MB

./deviceQuery
There is 1 device supporting CUDA

Device 0: "GeForce 8600 GTS"
Major revision number: 1
Minor revision number: 1
Total amount of global memory: 267714560 bytes
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: 1566000 kilohertz

./bandwidthTest
Quick Mode
Host to Device Bandwidth for Pageable memory
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 1045.2

Quick Mode
Device to Host Bandwidth for Pageable memory
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 880.8

Quick Mode
Device to Device Bandwidth
.
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 20483.9