• Looking for OpenCL Linux driver for Threadripper 3990X

    My Threadripper 3990X based servers (10-nodes) have arrived and I am looking for the OpenCL driver to run some benchmarks. The servers run Ubuntu 20.04 with NVIDIA GPU drivers. I googled and could not find a...
    FangQ
    last modified by FangQ
  • Newcomer - Can I Get Whitelisted for OpenCL Forum?

    Hello AMD!   I'm having a problem where my new Radeon VII is not being detected by clinfo for OpenCL/compute jobs, while my RX 580 still is.   A helpful user replied and let me know I should probably ask t...
    makeitwork
    last modified by makeitwork
  • Replacement of VOP2 versions of v_add / v_addc instructions on Navi

    Hello,   currently I am trying to improve my kernels by inserting assembly code - for Vega GPUs by using clrxasm or testing them on rocm with inline assembly and for Navi I am testing my codes by just inline asm...
    lolliedieb
    last modified by lolliedieb
  • OpenCL on E8860 Linux

    I am having issues with running an OpenCL program on an E8860 and would like to ask for advice.   I am trying to get an OpenCL program to run on an E8860 on Linux, preferrably Centos 7  I have tried th...
    rt0218
    last modified by rt0218
  • Missing lock step behaviour of Navi GPUs?

    Hey there,   I got a code that needs to share data among threads in blocks of 4, so thread i needs to access values from threads (i & 0xFC) + 0 ... (i & 0xFC) + 3.   When writing such a code in GCN...
    lolliedieb
    last modified by lolliedieb
  • The OpenCL General Tuning Issue

    All OpenCL versions form all vendors have this issue. It is a wrong computation. Please take a look at my blog describing it in detail. Can this be fixed on AMD OpenCL anyhow?   https://iblog.isowa.io/2020/01/04...
    sowson
    last modified by sowson
  • OpenCL & DirectX12 Interoperability

    AMD supports OpenCL extentions such as clGetDeviceIDsFromD3D11KHR, clCreateFromD3D11BufferKHR & clCreateFromD3D11Texture2DKHR to support OpenCL & D3D11 resource sharing and synchronization. ...
    elad
    last modified by elad
  • Khronos Group Releases OpenCL 3.0 is AMD implement it?

    More information you may find at Khronos Group Releases OpenCL 3.0 - The Khronos Group Inc  Thanks!
    sowson
    created by sowson
  • OpenCL Shader compiler had memory allocation problem

    I'm trying to compile a rather large kernel and being give the following error after 20-40 sec of kernel compile time, both in the runtime as well as under CodeXL:   Shader compiler had memory allocation problem...
    glupescu
    last modified by glupescu
  • clinfo and rocminfo hang on navi gpu (5700XT)

    I am wondering if anyone got it to work to use 5700XT for opencl on a Linux host?    I installed ROCm 3.0.6 on a Ubuntu 16.04 host, but both clinfo and rocminfo hanged. I posted this question on R...
    FangQ
    last modified by FangQ
  • OpenCL single memory allocation limit

    AMD OpenCL limits a single buffer allocation (CL_DEVICE_MAX_MEM_ALLOC_SIZE) to 50% of total memory.   So on a 8Gb card there is only 4Gb available for allocation in a single chunk.   This is very sad for ...
    octoboar
    last modified by octoboar
  • How to compile offline with LLVM-8 for AMDPAL

    Dear community,   I am planning to ship a software using binary kernels with inline asm. Therefore I decided to go with LLVM based offline compile, since the buildin pal compiler can not handle this. Hereby it i...
    lolliedieb
    last modified by lolliedieb
  • Getting stuck in a loop, does local variable not visible to other workitems in a work group?

    This is my kernel code: __kernel void test(__global int *input_vector,__global atomic_int *mem_flag) {     local int d[32];     if(get_local_id(0)==0) {      &#...
    avinashkrc
    last modified by avinashkrc
  • I am trying to testout how well atomicity performs on APU. But my sample program hangs the system

    I am trying to testout how well atomicity performs on APU. But my sample program does not update the variable properly hence whole system hangs as I check for updated value at either side (cpu and gpu)  in while ...
    avinashkrc
    last modified by avinashkrc
  • Looking for Linux/Open CL2.0 Driver for AMD A10-9620P

    Does AMD have any kind of official support ?   Some how, I can not for the life of me find a working OpenCL ( I would like OpenCL 2.0 ) for Linux and my computer. Surely there is ? The question is where ?  ...
    scarfez
    last modified by scarfez
  • Current status of OpenCL for a SI (R7 370) in Linux

    Hi,   As I asked in Linux OpenCL not working AMDGPU-PRO (max global size 0, CL_OUT_OF_HOST_MEMORY), the problem persist.   I tried both in Arch and in Ubuntu 18.04. If I go for mesa + amdgpu open source dr...
    userxx
    last modified by userxx
  • where to find AMD APP SDK 3.0 for Linux(no-X86/X86_X64 architecture)?

    Platform Information Firstly I‘ll post my platform info: arch-info    3.10.84-20.fc21.loongson.3.mips64el cpu-info  [loongson@localhost ~]$ lscpu Architecture: mips64 Byte Order: Litt...
    王石磊
    last modified by 王石磊
  • OpenCL compilation hangs forever

    Hi all,   I am trying to compile this project for an AMD GPU: GitHub - webmaster128/lisk-vanity: A tool to generate short Lisk addresses with GPU support   The c.l files are in lisk-vanity/src/opencl at m...
    webmaster128
    last modified by webmaster128
  • OpenCL amdgpu-pro generated code performance - please convert 'select' to cndmask

    Hi,   I don't know if this place is the best place to report opencl compiler performance issues, but well I didn't find a better place.   SUMMARY: Please AMD devs, when an OpenCL dev takes the time to expl...
    mannerov
    last modified by mannerov
  • Is there any way to split a compute device (emulate two, or more, GPUs on the a single device)?

    For example I have a RX Vega 64 with 64 CUs and 8 GB VRAM, would it be somehow possible to make it appear like two GPU compute devices with 32 CUs and 4 GB VRAM each? Maybe some undocumented environment variable for d...
    bomby
    last modified by bomby