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FrancisGreaves
n00b
Joined: 31 Oct 2014
Posts: 67
Location: Ireland
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 Posted: Sun Jan 12, 2025 2:22 pm Post subject: OpenCL and Darktable on AMD Hardware |
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I am trying to get OpenCL working with darktable.
I have an AMD Radeon RX 7800 XT with 16Gb memory
I have worked through the AMDGPU Wiki and tried both the Open Source option and the PRO option.
The latter fails, I cannot find the Ubuntu 20.04 drivers. I am not the only one, see this https://forums.gentoo.org/viewtopic-t-1171061-highlight-darktable.html and elsewhere.
So it is the Open Source option, fine.
I have built media-libs/mesa with the USE flag -opencl as recommended.
Here is the output of clinfo:
| Code: |
Number of platforms 1
Platform Name AMD Accelerated Parallel Processing
Platform Vendor Advanced Micro Devices, Inc.
Platform Version OpenCL 2.1 AMD-APP.dbg (3590.0)
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd cl_amd_event_callback
Platform Extensions function suffix AMD
Platform Host timer resolution 1ns
Platform Name AMD Accelerated Parallel Processing
Number of devices 1
Device Name gfx1101
Device Vendor Advanced Micro Devices, Inc.
Device Vendor ID 0x1002
Device Version OpenCL 2.0
Driver Version 3590.0 (HSA1.1,LC)
Device OpenCL C Version OpenCL C 2.0
Device Type GPU
Device Board Name (AMD) AMD Radeon RX 7800 XT
Device PCI-e ID (AMD) 0x747e
Device Topology (AMD) PCI-E, 0000:07:00.0
Device Profile FULL_PROFILE
Device Available Yes
Compiler Available Yes
Linker Available Yes
Max compute units 30
SIMD per compute unit (AMD) 4
SIMD width (AMD) 32
SIMD instruction width (AMD) 1
Max clock frequency 2213MHz
Graphics IP (AMD) 11.0
Device Partition (core)
Max number of sub-devices 30
Supported partition types None
Supported affinity domains (n/a)
Max work item dimensions 3
Max work item sizes 1024x1024x1024
Max work group size 256
Preferred work group size (AMD) 256
Max work group size (AMD) 1024
=== CL_PROGRAM_BUILD_LOG ===
opencl_lib.bc: error: Unknown attribute kind (91) (Producer: 'LLVM18.1.8' Reader: 'LLVM 17.0.6')
Error: Linking bitcode failed: linking source & IR libraries.
Preferred work group size multiple (kernel) <getWGsizes:1980: create kernel : error -6>
Wavefront width (AMD) 32
Preferred / native vector sizes
char 4 / 4
short 2 / 2
int 1 / 1
long 1 / 1
half 1 / 1 (cl_khr_fp16)
float 1 / 1
double 1 / 1 (cl_khr_fp64)
Half-precision Floating-point support (cl_khr_fp16)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Single-precision Floating-point support (core)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Correctly-rounded divide and sqrt operations Yes
Double-precision Floating-point support (cl_khr_fp64)
Denormals Yes
Infinity and NANs Yes
Round to nearest Yes
Round to zero Yes
Round to infinity Yes
IEEE754-2008 fused multiply-add Yes
Support is emulated in software No
Address bits 64, Little-Endian
Global memory size 17163091968 (15.98GiB)
Global free memory (AMD) 16541696 (15.78GiB) 16541696 (15.78GiB)
Global memory channels (AMD) 8
Global memory banks per channel (AMD) 4
Global memory bank width (AMD) 256 bytes
Error Correction support No
Max memory allocation 14588628168 (13.59GiB)
Unified memory for Host and Device No
Shared Virtual Memory (SVM) capabilities (core)
Coarse-grained buffer sharing Yes
Fine-grained buffer sharing Yes
Fine-grained system sharing No
Atomics No
Minimum alignment for any data type 128 bytes
Alignment of base address 1024 bits (128 bytes)
Preferred alignment for atomics
SVM 0 bytes
Global 0 bytes
Local 0 bytes
Max size for global variable 14588628168 (13.59GiB)
Preferred total size of global vars 17163091968 (15.98GiB)
Global Memory cache type Read/Write
Global Memory cache size 32768 (32KiB)
Global Memory cache line size 128 bytes
Image support Yes
Max number of samplers per kernel 16
Max size for 1D images from buffer 134217728 pixels
Max 1D or 2D image array size 8192 images
Base address alignment for 2D image buffers 256 bytes
Pitch alignment for 2D image buffers 256 pixels
Max 2D image size 16384x16384 pixels
Max 3D image size 16384x16384x8192 pixels
Max number of read image args 128
Max number of write image args 8
Max number of read/write image args 64
Max number of pipe args 16
Max active pipe reservations 16
Max pipe packet size 1703726280 (1.587GiB)
Local memory type Local
Local memory size 65536 (64KiB)
Local memory size per CU (AMD) 65536 (64KiB)
Local memory banks (AMD) 32
Max number of constant args 8
Max constant buffer size 14588628168 (13.59GiB)
Preferred constant buffer size (AMD) 16384 (16KiB)
Max size of kernel argument 1024
Queue properties (on host)
Out-of-order execution No
Profiling Yes
Queue properties (on device)
Out-of-order execution Yes
Profiling Yes
Preferred size 262144 (256KiB)
Max size 8388608 (8MiB)
Max queues on device 1
Max events on device 1024
Prefer user sync for interop Yes
Number of P2P devices (AMD) 0
Profiling timer resolution 1ns
Profiling timer offset since Epoch (AMD) 0ns (Thu Jan 1 00:00:00 1970)
Execution capabilities
Run OpenCL kernels Yes
Run native kernels No
Thread trace supported (AMD) No
Number of async queues (AMD) 8
Max real-time compute queues (AMD) 8
Max real-time compute units (AMD) 30
printf() buffer size 4194304 (4MiB)
Built-in kernels (n/a)
Device Extensions cl_khr_fp64 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_3d_image_writes cl_khr_byte_addressable_store cl_khr_fp16 cl_khr_gl_sharing cl_amd_device_attribute_query cl_amd_media_ops cl_amd_media_ops2 cl_khr_image2d_from_buffer cl_khr_subgroups cl_khr_depth_images cl_amd_copy_buffer_p2p cl_amd_assembly_program
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) No platform
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) No platform
clCreateContext(NULL, ...) [default] No platform
clCreateContext(NULL, ...) [other] Success [AMD]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1)
Platform Name AMD Accelerated Parallel Processing
Device Name gfx1101
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) Success (1)
Platform Name AMD Accelerated Parallel Processing
Device Name gfx1101
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) Success (1)
Platform Name AMD Accelerated Parallel Processing
Device Name gfx1101
ICD loader properties
ICD loader Name Khronos OpenCL ICD Loader
ICD loader Vendor Khronos Group
ICD loader Version 3.0.6
ICD loader Profile OpenCL 3.0
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I am a bit concerned with this bit of the output:
| Code: |
opencl_lib.bc: error: Unknown attribute kind (91) (Producer: 'LLVM18.1.8' Reader: 'LLVM 17.0.6')
Error: Linking bitcode failed: linking source & IR libraries.
Preferred work group size multiple (kernel) <getWGsizes:1980: create kernel : error -6>
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I am not sure why I get this error, or whether I should be doing about it.
I am not using Clang/LLVM to compile, just gcc.
I seem to have versions 17, 18 and 19 of them both installed.
Darktable Problem
For Darktable, I have tried the portage version which is 4.8.0 and the AppImage for version 5.0.0 and both fail enabling the OpenCL
The output from running for each version like this: | Code: | | darktable -d opencl |
is pretty identical:
| Code: |
darktable 4.8.0
Copyright (C) 2012-2024 Johannes Hanika and other contributors.
Compile options:
Bit depth -> 64 bit
Debug -> DISABLED
SSE2 optimizations -> ENABLED
OpenMP -> ENABLED
OpenCL -> ENABLED
Lua -> DISABLED
Colord -> ENABLED
gPhoto2 -> DISABLED
GMIC -> DISABLED - Compressed LUTs are NOT supported
GraphicsMagick -> ENABLED
ImageMagick -> DISABLED
libavif -> DISABLED
libheif -> DISABLED
libjxl -> DISABLED
OpenJPEG -> DISABLED
OpenEXR -> ENABLED
WebP -> DISABLED
See https://www.darktable.org/resources/ for detailed documentation.
See https://github.com/darktable-org/darktable/issues/new/choose to report bugs.
11.7846 [init] database version of `library.db' is too new for this build of darktable. aborting
11.7849 ERROR : cannot open database
francis@scorpio ~ $ darktable -d opencl
darktable 4.8.0
Copyright (C) 2012-2024 Johannes Hanika and other contributors.
Compile options:
Bit depth -> 64 bit
Debug -> DISABLED
SSE2 optimizations -> ENABLED
OpenMP -> ENABLED
OpenCL -> ENABLED
Lua -> DISABLED
Colord -> ENABLED
gPhoto2 -> DISABLED
GMIC -> DISABLED - Compressed LUTs are NOT supported
GraphicsMagick -> ENABLED
ImageMagick -> DISABLED
libavif -> DISABLED
libheif -> DISABLED
libjxl -> DISABLED
OpenJPEG -> DISABLED
OpenEXR -> ENABLED
WebP -> DISABLED
See https://www.darktable.org/resources/ for detailed documentation.
See https://github.com/darktable-org/darktable/issues/new/choose to report bugs.
0.0261 [dt_get_sysresource_level] switched to 1 as `default'
0.0261 total mem: 64195MB
0.0261 mipmap cache: 8024MB
0.0261 available mem: 32097MB
0.0261 singlebuff: 501MB
0.0279 [opencl_init] opencl library 'libOpenCL' found on your system and loaded, preference 'default path'
0.0673 [opencl_init] found 1 platform
[opencl_init] found 1 device
[dt_opencl_device_init]
DEVICE: 0: 'gfx1101', NEW
CONF KEY: cldevice_v5_amdacceleratedparallelprocessinggfx1101
PLATFORM, VENDOR & ID: AMD Accelerated Parallel Processing, Advanced Micro Devices, Inc., ID=4098
CANONICAL NAME: amdacceleratedparallelprocessinggfx1101
DRIVER VERSION: 3590.0 (HSA1.1,LC)
DEVICE VERSION: OpenCL 2.0
DEVICE_TYPE: GPU, dedicated mem
GLOBAL MEM SIZE: 16368 MB
MAX MEM ALLOC: 13913 MB
MAX IMAGE SIZE: 16384 x 16384
MAX WORK GROUP SIZE: 256
MAX WORK ITEM DIMENSIONS: 3
MAX WORK ITEM SIZES: [ 1024 1024 1024 ]
ASYNC PIXELPIPE: NO
PINNED MEMORY TRANSFER: NO
AVOID ATOMICS: NO
MICRO NAP: 250
ROUNDUP WIDTH & HEIGHT 16x16
CHECK EVENT HANDLES: 128
TILING ADVANTAGE: 0.000
DEFAULT DEVICE: NO
*** could not create command queue *** CL_OUT_OF_HOST_MEMORY
[opencl_init] no suitable devices found.
0.0887 [opencl_init] FINALLY: opencl PREFERENCE=ON is NOT AVAILABLE and NOT ENABLED.
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In Darktable itself in Settings -> Processing you cannot activate OpenCL Support, it is greyed out.
I did try and compile Darktabel 5, but despite having the OpenCL drivers in the correct place it would not find them.
Any ideas on how to fix this so OpenCL is found?
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Perfect in every way, Modest and Misunderstood! |
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NeddySeagoon
Administrator
Joined: 05 Jul 2003
Posts: 54691
Location: 56N 3W
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| Posted: Sun Jan 12, 2025 2:45 pm Post subject: |
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FrancisGreaves,
| Code: | opencl_lib.bc: error: Unknown attribute kind (91) (Producer: 'LLVM18.1.8' Reader: 'LLVM 17.0.6')
Error: Linking bitcode failed: linking source & IR libraries. |
You are trying to use two incompatible version of LLVM. Portage won't spot that for you yet.
Whatever was built with LLVM 17.0.6 needs to be rebuilt with LLVM18.1.8.
You need to look at the build log to see what that something is.
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Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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FrancisGreaves
n00b
Joined: 31 Oct 2014
Posts: 67
Location: Ireland
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| Posted: Sun Jan 12, 2025 2:56 pm Post subject: |
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Many thanks @NeddySeagoon for your very swift response.
I will see what I can find and report back.
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