# eselect opencl list Available OpenCL implementations: [1] ocl-icd * [2] roc tux# clinfo Number of platforms 1 Platform Name AMD Accelerated Parallel Processing Platform Vendor Advanced Micro Devices, Inc. Platform Version OpenCL 2.0 AMD-APP.internal (2679.0) Platform Profile FULL_PROFILE Platform Extensions cl_khr_icd cl_amd_object_metadata cl_amd_event_callback Platform Max metadata object keys (AMD) 8 Platform Extensions function suffix AMD Platform Name AMD Accelerated Parallel Processing Number of devices 1 Device Name gfx803 Device Vendor Advanced Micro Devices, Inc. Device Vendor ID 0x1002 Device Version OpenCL 1.2 Driver Version 2679.0 (HSA1.1,LC) Device OpenCL C Version OpenCL C 2.0 Device Type GPU Device Board Name (AMD) Baffin [Radeon RX 550 640SP / RX 560/560X] Device Topology (AMD) PCI-E, 0b:00.0 Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 16 SIMD per compute unit (AMD) 4 SIMD width (AMD) 16 SIMD instruction width (AMD) 1 Max clock frequency 1196MHz Graphics IP (AMD) 8.3 Device Partition (core) Max number of sub-devices 16 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 Preferred work group size multiple 64 Wavefront width (AMD) 64 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 No Infinity and NANs No Round to nearest No Round to zero No Round to infinity No IEEE754-2008 fused multiply-add No Support is emulated in software No Single-precision Floating-point support (core) Denormals No 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 4294967296 (4GiB) Global free memory (AMD) 4192256 (3.998GiB) Global memory channels (AMD) 4 Global memory banks per channel (AMD) 4 Global memory bank width (AMD) 256 bytes Error Correction support No Max memory allocation 3650722201 (3.4GiB) Unified memory for Host and Device No Minimum alignment for any data type 128 bytes Alignment of base address 1024 bits (128 bytes) Global Memory cache type Read/Write Global Memory cache size 16384 (16KiB) Global Memory cache line size 64 bytes Image support Yes Max number of samplers per kernel 26623 Max size for 1D images from buffer 65536 pixels Max 1D or 2D image array size 2048 images Max 2D image size 16384x16384 pixels Max 3D image size 2048x2048x2048 pixels Max number of read image args 128 Max number of write image args 8 Local memory type Local Local memory size 65536 (64KiB) Local memory syze per CU (AMD) 65536 (64KiB) Local memory banks (AMD) 32 Max number of constant args 8 Max constant buffer size 3650722201 (3.4GiB) Preferred constant buffer size (AMD) 16384 (16KiB) Max size of kernel argument 1024 Queue properties Out-of-order execution No Profiling Yes Prefer user sync for interop Yes Number of P2P devices (AMD) 0 P2P devices (AMD) (n/a) Profiling timer resolution 1ns Profiling timer offset since Epoch (AMD) 0ns (Thu Jan 1 01:00:00 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) 16 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_subgroups cl_khr_depth_images cl_amd_copy_buffer_p2p cl_amd_assembly_program NULL platform behavior clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) AMD Accelerated Parallel Processing clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [AMD] clCreateContext(NULL, ...) [default] Success [AMD] clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1) Platform Name AMD Accelerated Parallel Processing Device Name gfx803 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 gfx803 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 gfx803 ICD loader properties ICD loader Name OpenCL ICD Loader ICD loader Vendor OCL Icd free software ICD loader Version 2.2.12 ICD loader Profile OpenCL 2.2