• OpenCL support on Juno board

    Nathan
    Nathan

    From the Juno ARM Development Platform - ARM link, i understand that Juno board has linux kernel support for Mali GPU.Does it have OpenCL support so that i can run OpenCL applications on Mali GPU?

    Why one may need to have OpenCL compiled for ARM? What…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL doubleN shuffle in MaliT604

    Diego
    Diego

    Hello all,

    I am working in Mali T604 and I am using double precision. I enabled this extension with:

    #pragma OPENCL EXTENSION cl_khr_fp64 : enable

    All double precision operations work and vector double precision operations also work but shuffle function…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL Mapped Buffer Map (Unmap) Implementation Behavior

    Roosemberth Palacios
    Roosemberth Palacios

    Hello, I'm trying to optimize some OpenCL Code, what we're queueing is 2 Write-Only Buffers Mapped to the Host and 2 Read-Only (Mapped aswell on the host)

    The Proposed Simplified Workflow is the following:

    - Compile Programs (P1, P2)

    - Allocate buffers…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL - Cant retrieve devices

    Pablo Ramon Soria
    Pablo Ramon Soria

    I started recently with OpenCL and ARM (Particularly I'm using an Odroid U3, which has a Cortex A-9 and a Mali-400). First thing I did is an example project with some test cases. The first case get information about the retrieved "devices" with the…

    • Answered
    • over 6 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Is it possible to scale the frequencies on MALI T628 GPU?

    Woojung Myung
    Woojung Myung

    Dear All,

    Could I ask it is possible to scale the frequencies base on MALI T628 GPU?

    I just want to see the performance differences when I varied the frequencies.

    And the other question is I saw an OpenCL guide instruction for Samsung Chromebook,

    but also…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Can I measure the power performance of GPU based on Samsung Chromebook2?

    Woojung Myung
    Woojung Myung

    Dear All,

    I want to say really thanks for everyone. Because when I have a question, always this forum give me a precious answer

    Cut to the chase, I am wondering whether I can measure the power performance of Mali GPU based on Samsung Chromebook 2.

    Or any…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • CPU to GPU Copying Speed tuning.

    Narendra Kumar
    Narendra Kumar

    Hi,

    Is there any way to speed the data copying from CPU buffers which are allocated using "malloc" to GPU accessible memory. currently I am using simple memcpy for copying data.

    Thanks & Regards,

    Narendra Kumar Chepuri.

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali-764 MP GPU Technical Documentation and Programming

    Mike Clark
    Mike Clark

    The question about access to technical information on the Mali product line gets more relevant with time. I am about to take delivery of a ststem with Mali T764; where can I get: - Details of the Instruction Set - Advice on how to invoke, and use, the…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Can't connect to the download page of Khronos header files for OpenGL ES & OpenCL DDK & Renderscript DDK.

    Nari
    Nari

    Hi, I have a problem during porting midgard Mali GPU for X11 environment.

    I'm following the document 'Integration Manual Rev:r5p0' which your company distributed.

    But at the section '2.7.3 Downloading Khronos API headers', I can't connect to…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Mali OpenCL SDK v1.1.0 compile problem

    phenix
    phenix

    Hi,Guys,

    When I using NDK to build the Mali OpenCL SDK v1.1.0.0a36a7 for Windows to get libOpenCL.so. I got an error:attributes are not allowed on a function-definition. The whole error log as follows:

    F:\Mali OpenCL SDK v1.1.0\lib>make

    E:/software/android…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Board with full openCL support

    Mikael Bohman
    Mikael Bohman

    Is their any board (in stock), that at least has a quad cortex-A & MALI with a complete "toolchain" for openCL 1.1 or higher (Not Android) ?

    I have looked up a lot of the existing quad core boards out there, but something always seems to…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Opencv with opencl on Mali T628

    SHABUDDIN SHAIK
    SHABUDDIN SHAIK

    Hi,

    Can any one tell that whether i can run test suite of opencv with opencl on Mali-T628 GPU or not, as it is having opencl support for version 1.1 full profile?

    i got doubt because i read in opencv's site (OpenCL Module Introduction — OpenCV 2.4.9…

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • opencl and opengles Interop problem

    phenix
    phenix

    Hi,Guys,

    I want to know how mali gpu schedule when compute kernel(openCL) and opengles rendering called concurrently and the performance?

    best wishes .

    phenix

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Create Android activity file for Mali OpenCL Samples

    Aravind
    Aravind

    Hello

    I am having the Mali Opencl SDK v1.1.0

    I want to run those samples in Android.

    I am having OpenCL libraries so that s not an issue.

    But i want to generate the activity files and native files for the corresponding cpp files.

    Plse help me out.

    Thks

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Run OpenCL samples in Ubuntu 14.04

    Aravind
    Aravind

    Hello

    I have the Mali OpenCL SDK  and I want to run the samples in Odroid-XU3 ( Ubuntu 14.04) with Mali T-628 GPU.

    Can anyone please explain how to perform the cross-compiling?

    Thanks

    • Answered
    • over 5 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Does Mali G72 supports OpenCV ?

    ureachrama
    ureachrama

    I want to test enabling of opencv on mali GPU with Android OS, how can we test this ?
    And if at all we use any app for testing this, what is the gurantee that it is using GPU ?
    Could you please provide your inputs on this ?

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Int8 operation in G72

    Unarmed guy
    Unarmed guy

    Does Mali suuport 8bit int vector operation to workaround overflow issue like scalar operation? 

    Such as..

    I tested with G72.

    In scalar operation,

    --------------------------------

    uchar a = 255;

    uchar b = 255;

    Int c = a + b;

    --------------------------…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • How to calculate GFLOPS / GOPS ?

    op21beyond
    op21beyond

    Hi. 

    I'm an SoC design engineer and want to provide my customers with Mali-G51's ML nominal performance in terms of GFLOPS or GOPS or GMACS.

    My GPU is Mali-G51MP4 at 800MHz and followings are information I get from articles.

     - G51MP4 = 6 execution…

    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Can Arm Mali GPU run tensorflow or caffe deep learning model?

    KwChang
    KwChang

    I will train a tensorflow or caffe CNN model with Nvidia cuda GPU, and would like to deploy it to an embedded system with arm mali-g71 or g72 GPU to run inference, is this possible without major code modification? Seems like mali GPU supports only openCL…

    • over 3 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Explicit vector style compute kernels on Bifrost G7x/G31?

    pixelio
    pixelio

    Will the compute kernel compilers (OpenCL 1.2 or some future Vulkan 1.1) still support explicit vector style programming (e.g. float4, uint4, int4, half8) on the Bifrost GPUs with 4-wide execution engines?

    I'm asking because I have some "embarrassingly…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • OpenCL on Mali, MapBuffers and lifetime of void* pointers

    L.Gilson
    L.Gilson

    Hi,

    i'm porting an existing OpenCL-using application to ARM/Mali. It already runs, but performance could be better due to unneeded buffer copies.

    The ideal OpenCL workflow seems to be:

    Init: create a cl_mem object with CL_MEM_ALLOC_HOST_PTR .

    Loop…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • does mali t720 support for opencl, why allwinner h6 doesn't provide opencl driver?

    Yonggang Luo
    Yonggang Luo

    I want to use opencl on allwinner h6,but the driver its provided doesn't support for opencl, what I need to do to getting it to be supportted

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Using Mali with an RTOS

    42Bastian Schick
    42Bastian Schick

    We have a request to support Mali with our RTOS. Is it possible to receive the DDK sources so we can adapt it?

    The chip in question is a Xilinx MPSoC+

    • over 3 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • CL_MEM_USE_HOST_PTR overhead

    Jeff M
    Jeff M

    Hi,

    I would like to confirm whether CL_MEM_USE_HOST_PTR has extra overhead, such as memory copy, on Mali G72.  

    According to ARM OpenCL Optimization Guide, using CL_MEM_USE_HOST_PTR is discouraged.  

    http://infocenter.arm.com/help/index.jsp?topic=/com.arm…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
  • Is there any prefetch mechanism on Mali Bifrost GPU?

    zengzeng.sun
    zengzeng.sun

    Hi Guys,

    I am actively optimizing my OpenCL program running on Mali Bifrost GPU.

    I wonder whether cache prefetch would have some performance improvements for my program.

    I didn't find any materials about mali GPU prefetching, however, I found there is…

    • Answered
    • over 2 years ago
    • Graphics and Gaming
    • Graphics and Gaming forum
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