на Tesla S1070 (CentOS 5.3, CUDA Toolkit 2.3, driver ver. 190.53):
device 3:Tesla T10 Processor
Quick Mode
Host to Device Bandwidth for Pageable memory

Transfer Size (Bytes) Bandwidth(MB/s)
33554432 3579.5

Quick Mode
Device to Host Bandwidth for Pageable memory

Transfer Size (Bytes) Bandwidth(MB/s)
33554432 2520.9

Quick Mode
Device to Device Bandwidth

Transfer Size (Bytes) Bandwidth(MB/s)
33554432 73896.2