https://community.intel.com/t5/OpenCL-for-CPU/gpu-aperture-memory/m-p/1119421#M5465 <P>Hi Jeffrey,</P> <P>We have what's called Shared Physical Memory (SPM). For proper allocation see <A href="https://software.intel.com/en-us/articles/getting-the-most-from-opencl-12-how-to-increase-performance-by-minimizing-buffer-copies-on-intel-processor-graphics">https://software.intel.com/en-us/articles/getting-the-most-from-opencl-12-how-to-increase-performance-by-minimizing-buffer-copies-on-intel-processor-graphics</A></P> <P>See also p. 15 of this whitepaper: <A href="https://community.intel.com/legacyfs/online/drupal_files/Compute%20Architecture%20of%20Intel%20Processor%20Graphics%20Gen8.pdf">https://software.intel.com/sites/default/files/Compute%20Architecture%20of%20Intel%20Processor%20Graphics%20Gen8.pdf</A></P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 08 Feb 2016 17:54:57 GMT Robert_I_Intel 2016-02-08T17:54:57Z https://community.intel.com/t5/OpenCL-for-CPU/gpu-aperture-memory/m-p/1119420#M5464 <P>A few questions about aperture memory,</P> <P>- using OCL, can i allocate memory in aperture memory?</P> <P>- does the concept "aperture memory" &nbsp;apply to intel integrated GPU? &nbsp; My understand was "aperture memory" is only for memroy on gfx card.</P> <P>- does using "aperture memory" affect performance significantly?</P> <P>thanks,</P> <P>Jeffrey</P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Fri, 05 Feb 2016 23:52:20 GMT https://community.intel.com/t5/OpenCL-for-CPU/gpu-aperture-memory/m-p/1119420#M5464 Fu_J_Intel 2016-02-05T23:52:20Z https://community.intel.com/t5/OpenCL-for-CPU/gpu-aperture-memory/m-p/1119421#M5465 <P>Hi Jeffrey,</P> <P>We have what's called Shared Physical Memory (SPM). For proper allocation see <A href="https://software.intel.com/en-us/articles/getting-the-most-from-opencl-12-how-to-increase-performance-by-minimizing-buffer-copies-on-intel-processor-graphics">https://software.intel.com/en-us/articles/getting-the-most-from-opencl-12-how-to-increase-performance-by-minimizing-buffer-copies-on-intel-processor-graphics</A></P> <P>See also p. 15 of this whitepaper: <A href="https://community.intel.com/legacyfs/online/drupal_files/Compute%20Architecture%20of%20Intel%20Processor%20Graphics%20Gen8.pdf">https://software.intel.com/sites/default/files/Compute%20Architecture%20of%20Intel%20Processor%20Graphics%20Gen8.pdf</A></P> <P>&nbsp;</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 08 Feb 2016 17:54:57 GMT https://community.intel.com/t5/OpenCL-for-CPU/gpu-aperture-memory/m-p/1119421#M5465 Robert_I_Intel 2016-02-08T17:54:57Z