Originally posted by: iAndrei Throughput at copying from host to device - 50 MB/c???. From device to host - 2300 MB/c (normal). Comments? Test NVIDIA oclBandwidthTest. System: AMD Stream 2.0 Driver 9.12 Hotfix. PCI Express 2.0 X58 i7-920 ASUS P6T |
Could you please post your complete output here? Which GPU you have.
This is what i am getting on my system
For GPU
====================================================
oclBandwidthTest.exe Starting...
WARNING: NVIDIA OpenCL platform not found - defaulting to first platform!
Running on...
Device Juniper
Quick Mode
Host to Device Bandwidth, 1 Device(s), Paged memory, direct access
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 1448.4
Device to Host Bandwidth, 1 Device(s), Paged memory, direct access
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 1350.8
Device to Device Bandwidth, 1 Device(s)
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 28016.2
====================================================
For CPU
====================================================
oclBandwidthTest.exe Starting...
WARNING: NVIDIA OpenCL platform not found - defaulting to first platform!
Running on...
Device AMD Phenom(tm) 9650 Quad-Core Processor
Quick Mode
Host to Device Bandwidth, 1 Device(s), Paged memory, direct access
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 2257.7
Device to Host Bandwidth, 1 Device(s), Paged memory, direct access
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 2298.1
Device to Device Bandwidth, 1 Device(s)
Transfer Size (Bytes) Bandwidth(MB/s)
33554432 4417.6
====================================================