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OpenCL buffer size limited?

Question asked by rahulgarg on Mar 7, 2012
Latest reply on Mar 7, 2012 by rahulgarg

I am trying to allocate large buffers (around 200MB) but it appears that any allocation larger than about 130MB fails on the GPU with the error code CL_INVALID_BUFFER_SIZE.


Using a Radeon 5850 1GB, Phenom II X4 925, 8GB DDR3

Ubuntu 11.10 (64-bit) with Catalyst 11.12


I also tested a system with AMD A8-3500M APU and got similar failures.

Is there a limit on the buffer size?