• OpenCL compiler bug

    I've been working on adding OpenCL support to our code generator (GitHub - genn-team/genn: GeNN is a GPU-enhanced Neuronal Network simulation environment based on code generation for Nvi… ) and the ge...
    neworderofjamie@gmail.com
    last modified by neworderofjamie@gmail.com
  • My application gets killed silently when using OpenCL on RX5700XT and RX5500XT

    Hi,   I'm the developer of PTGui (www.ptgui.com). In the past week I've received 3 reports from users that my application randomly quits without any notice (Windows does not show a crash notification). All ...
    joostn
    last modified by joostn
  • V1000 OpenCL

    have tried about 10 ways to get OpenCL working on a V1000 APU (V1404i to be exact) and can't get anything working. Worse, the documents that come with the AMD drivers on their website haven't change as the kernel and ...
    tsjorda
    last modified by tsjorda
  • OpenCL runtime bug when sharing texture with D3D11

    I have a program that initializes 2 Direct3D11 textures. It then extract 2 cl_mem image objects from each texture and download its content to RAM.   When using DirectX11 device created via the new D3D11On12 API ...
    elad
    last modified by elad
  • OpenCL 2.0 compiler bug? (device side enqueue)

    A similar issue is reported here.   I compile a kernel (kernel1) that performs device-side enqueue to another kernel (kernel2). When kernel2 is empty, or contains little code, there is no problem.    ...
    elad
    last modified by elad
  • 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
  • Bug in OpenCL runtime

    OpenCL runtimes for Windows x64 at least from 15.7.1 drivers on return garbage when queried by clGetKernelWorkGroupInfo with CL_KERNEL_PRIVATE_MEM_SIZE. If there is some spilled registers, then it returns their size i...
    melirius
    last modified by melirius
  • 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
  • CNN DarkNet on OpenCL

    Hello, recently I made the DarkNet on OpenCL that is technology that really passionate me and I started recently PhD studies on AI field. I am using few different GPUs, recently 2 x AMD Radeon VII that works very well...
    sowson
    last modified by sowson
  • AMD's OCL global work size with 2d work dimensions limit

    I have found a problem when executing a kernel the second dimesion of the work units get_global_id(1) get limited to around 120  whille the first dimension can execute every unit until the max set on the first di...
    pontiacgtx
    last modified by pontiacgtx
  • Bug in OpenCL compiler?

    I've been working on adding OpenCL support to our code generator (GitHub - genn-team/genn: GeNN is a GPU-enhanced Neuronal Network simulation environment based on code generation for Nvi… ) and the ge...
    neworderofjamie@gmail.com
    last modified by neworderofjamie@gmail.com
  • 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
  • Is there an elegant way to force recalculation (of values or addresses)

    Well the question in the title already hits it. I got a rather simple kernel, which uses 20 vgpr and the complete 32 kByte of shared memory. So all fine for running 2x 1024 threads per work group. So fine so far. Bu...
    lolliedieb
    last modified by lolliedieb
  • CAL vs. OpenCL

    Hi guys, Probably a dumb question, but I can't find the answer.  Under the 2.0 SDK, there are CAL and OpenCL samples.  However, I can't find any references to CAL in the documents (no programming manual or ...
    toddwbrownjr
    last modified by toddwbrownjr
  • 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
  • Is there a way to combine OpenCL engine from older driver pack with newer one?

    As I found out, newer OpenCL compiler in Adrenalin drivers for Win10 x64 have a bug in realization that prevents my code to work correctly on Tahiti cards. Then I determined that old driver pack of 16.4.2 was without ...
    melirius
    last modified by melirius
  • OpenCL 2.0 Device command queue keeps filling up and halting execution

    I am utilizing OpenCL’s enqueue_kernel() function to enqueue kernels dynamically from the GPU to reduce unnecessary host interactions. Here is a simplified example of what I am trying to do in the kernels: kerne...
    pmorgan4801
    last modified by pmorgan4801
  • Wrong OpenCL calculation result on AMD 5700 XT

    Good day!   Our company uses OpenCL framework to work with AMD GPUs. But unfortunately, the OpenCL driver for AMD 5700 XT GPU gives wrong calculation results. This applies for all GPU drivers I have tested so fa...
    Neverhood
    last modified by Neverhood