[Intel-gfx] Steam in-house streaming is not working with Intel IvyBridge graphics on Linux as a client.

2015-09-22 Thread Dennis Mungai
Hello people, I've been streaming a game from a Windows host to a Linux box with the following hardware: lspci -nnk | grep -i VGA -A2 Returns: 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) Subsystem:

Re: [Intel-gfx] Intel-gfx Digest, Vol 87, Issue 314

2015-05-18 Thread Dennis Mungai
Hello guys, This reply will refer only to the first query (1): 1. Very bad performance from intel chipset on Thinkpad T540p (2880x1620) (Marc MERLIN) The solution here is switching to SNA mode on SandyBridge and newer iterations of Intel HD Graphics core on Linux. See the entry

[Intel-gfx] Batch buffer checks on Intel Haswell OpenCL performance on Linux

2015-05-13 Thread Dennis Mungai
Hey guys, The impact of disabling batch buffer security for Intel Haswell platform on Linux for OpenCL kernels that need local shared memory access is massive. On a native kernel with and without the patch, the performance boost is massive, especially ijn the Lu decomposition benchmark. Do the