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702 results for "Hd4000 video" in Intel
Hi, I have intel i7 3770K processor which has in built HD4000 graphics card. I also have a NVIDIA graphics card GTX650 Ti. I want to use intel media sdk to encode videos to H264 format. The problem is that the software encoder is taking too much CPU and i...
I have a memory issue with the HD4000 GPU: I use a simple kernel that performs 2 simple operations, I run it over hundred of times (in a host loop), before each call I release all device and host buffers like this:
Hello, I'm running OpenCL on Intel's HD4000 GPU. It seems that this GPU has no vector calculations. According to the query: CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT The vector width is 1. Which means that float4 calculations are executed as 4 float scalars.
Hello, I would like to know whether the Mobile IGPs in the Ivy (hd4000) and haswell(4600) are able to output 1920x1080 at 120hz via displayports(either 1.1a or 1.2)? So far I have only been able to find the maximum resolutions at 60hz; however, nothing on...
Can we use printf function with the GPU HD4000 ? or, is there is a solution to bypass this limitation ? it's for debugging , have you any better solution ? THX, Mohamed
Hi seems even new 2012 macbooks with Ivy on Macos doesn't get OpenCL support for HD4000 graphics.. Is Intel working on that?
This sample: http://www.opengl-tutorial.org/intermediate-tutorials/tutorial-16-shadow-mapping/ (Executable here: https://www.dropbox.com/s/zhytp394xmx6mpx/tutorial16_shadowmaps.rar ) Produces the attached result with weird red rendering on my HD4000 with ...
Hi: I have kernel which is defined as local size=16, global size=256, and in each workgroup there are 32KB shared memory allocated. I run my kernel on Ivybridge 4000, and got the GPU idle state account for 75% percent, which is fine. As per half-slice the...