topic Memory Allocation and Estimation in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874308#M132745 <HTML><HEAD></HEAD><BODY><P>Hello fellow NXP Users and Developers,</P><P>I have been researching into using i.MX Processors for Video Processing application and had few doubts about Memory Planning and Estimation.</P><P>Since it is hard to determine the exact pin point memory requirement of any application which involves a bit of researching for custom hardware and software, it is Hard to plan out the Memory Estimation using the development boards.</P><P>With respect to Graphical Processing especially with Image Processing and Camera Systems, Memory is the most important part of the system.&nbsp;</P><P>I have been searching the forum for a Memory Planning and Estimation discussion, but have not go a satisfactory answer.&nbsp;</P><P></P><P>Well I would like to know and get to know better, and understand better with a academic perspective, that how can we do a memory estimation with imx processors which Must have the functionality of GPU and VPU.</P><P></P><P>Most of the high end development boards have 4 GB RAM, on which most of the things do work efficiently. But what i want to know is what is the minimum threshold for memory when it comes to GPU and VPU based applications.&nbsp;</P><P></P><OL><LI>Is there any golden mean for memory estimations with GPU and VPU applications ?</LI><LI>Does the memory estimation involves sharing of memory ? So the memory is shared between a GPU and the CPU ?</LI><LI>Can we have a dedicated memory just for GPU and VPU ?</LI><LI>Are there any other ways, like non conventional ways to have a memory estimation ?</LI><LI>How to make sure that the memory planning is also thought about with respect to power consumption</LI><LI>Is it possible to load the memory and activate it, but not use it ? So for example if I have 2 GB of memory, then basically 2 GB will be initialized, but 1 GB will be used. When there is need of extra memory, the buffer memory can be used, something like SMART Memory.</LI></OL><P>Any other thoughts would be most welcome.</P><P>Thank You and appreciate the much help and support needed with memory estimation.</P><P>Regards,</P><P>Rohan</P></BODY></HTML> Wed, 30 Jan 2019 12:32:12 GMT rvalvekar 2019-01-30T12:32:12Z Memory Allocation and Estimation https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874308#M132745 <HTML><HEAD></HEAD><BODY><P>Hello fellow NXP Users and Developers,</P><P>I have been researching into using i.MX Processors for Video Processing application and had few doubts about Memory Planning and Estimation.</P><P>Since it is hard to determine the exact pin point memory requirement of any application which involves a bit of researching for custom hardware and software, it is Hard to plan out the Memory Estimation using the development boards.</P><P>With respect to Graphical Processing especially with Image Processing and Camera Systems, Memory is the most important part of the system.&nbsp;</P><P>I have been searching the forum for a Memory Planning and Estimation discussion, but have not go a satisfactory answer.&nbsp;</P><P></P><P>Well I would like to know and get to know better, and understand better with a academic perspective, that how can we do a memory estimation with imx processors which Must have the functionality of GPU and VPU.</P><P></P><P>Most of the high end development boards have 4 GB RAM, on which most of the things do work efficiently. But what i want to know is what is the minimum threshold for memory when it comes to GPU and VPU based applications.&nbsp;</P><P></P><OL><LI>Is there any golden mean for memory estimations with GPU and VPU applications ?</LI><LI>Does the memory estimation involves sharing of memory ? So the memory is shared between a GPU and the CPU ?</LI><LI>Can we have a dedicated memory just for GPU and VPU ?</LI><LI>Are there any other ways, like non conventional ways to have a memory estimation ?</LI><LI>How to make sure that the memory planning is also thought about with respect to power consumption</LI><LI>Is it possible to load the memory and activate it, but not use it ? So for example if I have 2 GB of memory, then basically 2 GB will be initialized, but 1 GB will be used. When there is need of extra memory, the buffer memory can be used, something like SMART Memory.</LI></OL><P>Any other thoughts would be most welcome.</P><P>Thank You and appreciate the much help and support needed with memory estimation.</P><P>Regards,</P><P>Rohan</P></BODY></HTML> Wed, 30 Jan 2019 12:32:12 GMT https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874308#M132745 rvalvekar 2019-01-30T12:32:12Z Re: Memory Allocation and Estimation https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874309#M132746 <HTML><HEAD></HEAD><BODY><P>Hi Rohan</P><P></P><P>may be useful to check below documents</P><P><A href="https://community.nxp.com/thread/445874">How many GPU memory used in Linux 3.10.53?</A>&nbsp;</P><P><A href="https://community.nxp.com/thread/307038">Memory Reserved on i.MX6 for VPU</A>&nbsp;</P><P><A href="https://community.nxp.com/docs/DOC-100482">A Deep Dive into Image Processing for i.MX 6 Series Applications Processors</A><A href="https://community.nxp.com/docs/DOC-93591">https://community.nxp.com/docs/DOC-93591</A>&nbsp;</P><P>I am afraid there is no way to calculate it exactly.</P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sat, 02 Feb 2019 00:17:44 GMT https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874309#M132746 igorpadykov 2019-02-02T00:17:44Z Re: Memory Allocation and Estimation https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874310#M132747 <HTML><HEAD></HEAD><BODY><P>Thank you for the input. This will be helpful.</P></BODY></HTML> Tue, 12 Feb 2019 12:25:34 GMT https://community.nxp.com/t5/i-MX-Processors/Memory-Allocation-and-Estimation/m-p/874310#M132747 rvalvekar 2019-02-12T12:25:34Z