Number of platforms 1 Platform Name Apple Platform Vendor Apple Platform Version OpenCL 1.2 (Feb 10 2024 00:43:05) Platform Profile FULL_PROFILE Platform Extensions cl_APPLE_SetMemObjectDestructor cl_APPLE_ContextLoggingFunctions cl_APPLE_clut cl_APPLE_query_kernel_names cl_APPLE_gl_sharing cl_khr_gl_event Platform Name Apple Number of devices 2 Device Name Intel(R) Core(TM) i9-9900KF CPU @ 3.60GHz Device Vendor Intel Device Vendor ID 0xffffffff Device Version OpenCL 1.2 Driver Version 1.1 Device OpenCL C Version OpenCL C 1.2 Device Type CPU Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 16 Max clock frequency 3600MHz Device Partition (core) Max number of sub-devices 0 Supported partition types None Supported affinity domains (n/a) Max work item dimensions 3 Max work item sizes 1024x1x1 Max work group size 1024 Preferred work group size multiple (kernel) 1 Preferred / native vector sizes char 16 / 16 short 8 / 8 int 4 / 4 long 2 / 2 half 0 / 0 (n/a) float 4 / 4 double 2 / 2 (cl_khr_fp64) Half-precision Floating-point support (n/a) 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 85899345920 (80GiB) Error Correction support No Max memory allocation 21474836480 (20GiB) Unified memory for Host and Device Yes 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 64 Global Memory cache line size 16777216 bytes Image support Yes Max number of samplers per kernel 16 Max size for 1D images from buffer 65536 pixels Max 1D or 2D image array size 2048 images Base address alignment for 2D image buffers 1 bytes Pitch alignment for 2D image buffers 1 pixels Max 2D image size 8192x8192 pixels Max 3D image size 2048x2048x2048 pixels Max number of read image args 128 Max number of write image args 8 Local memory type Global Local memory size 32768 (32KiB) Max number of constant args 8 Max constant buffer size 65536 (64KiB) Max size of kernel argument 4096 (4KiB) Queue properties Out-of-order execution No Profiling Yes Prefer user sync for interop Yes Profiling timer resolution 1ns Execution capabilities Run OpenCL kernels Yes Run native kernels Yes printf() buffer size 1048576 (1024KiB) Built-in kernels (n/a) Device Extensions cl_APPLE_SetMemObjectDestructor cl_APPLE_ContextLoggingFunctions cl_APPLE_clut cl_APPLE_query_kernel_names cl_APPLE_gl_sharing cl_khr_gl_event 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_byte_addressable_store cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_3d_image_writes cl_khr_image2d_from_buffer cl_APPLE_fp64_basic_ops cl_APPLE_fixed_alpha_channel_orders cl_APPLE_biased_fixed_point_image_formats cl_APPLE_command_queue_priority Device Name AMD Radeon Pro 580X Compute Engine Device Vendor AMD Device Vendor ID 0x1021c00 Device Version OpenCL 1.2 Driver Version 1.2 (Mar 15 2024 00:19:07) Device OpenCL C Version OpenCL C 1.2 Device Type GPU Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 36 Max clock frequency 1200MHz Device Partition (core) Max number of sub-devices 0 Supported partition types None Supported affinity domains (n/a) Max work item dimensions 3 Max work item sizes 256x256x256 Max work group size 256 Preferred work group size multiple (kernel) 64 Preferred / native vector sizes char 4 / 4 short 2 / 2 int 1 / 1 long 1 / 1 half 0 / 0 (n/a) float 1 / 1 double 1 / 1 (cl_khr_fp64) Half-precision Floating-point support (n/a) 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 No 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 32, Little-Endian Global memory size 8589934592 (8GiB) Error Correction support No Max memory allocation 2147483648 (2GiB) Unified memory for Host and Device No Minimum alignment for any data type 128 bytes Alignment of base address 32768 bits (4096 bytes) Global Memory cache type None Image support Yes Max number of samplers per kernel 16 Max size for 1D images from buffer 65536 pixels Max 1D or 2D image array size 2048 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 2048x2048x2048 pixels Max number of read image args 128 Max number of write image args 8 Local memory type Local Local memory size 32768 (32KiB) Max number of constant args 8 Max constant buffer size 65536 (64KiB) Max size of kernel argument 1024 Queue properties Out-of-order execution No Profiling Yes Prefer user sync for interop Yes Profiling timer resolution 40ns Execution capabilities Run OpenCL kernels Yes Run native kernels No printf() buffer size 134217728 (128MiB) Built-in kernels (n/a) Device Extensions cl_APPLE_SetMemObjectDestructor cl_APPLE_ContextLoggingFunctions cl_APPLE_clut cl_APPLE_query_kernel_names cl_APPLE_gl_sharing cl_khr_gl_event 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_byte_addressable_store cl_khr_image2d_from_buffer cl_khr_depth_images cl_APPLE_command_queue_priority cl_APPLE_command_queue_select_compute_units cl_khr_fp64 NULL platform behavior clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) Apple clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [P0] clCreateContext(NULL, ...) [default] Success [P0] clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1) Platform Name Apple Device Name AMD Radeon Pro 580X Compute Engine clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) Success (1) Platform Name Apple Device Name Intel(R) Core(TM) i9-9900KF CPU @ 3.60GHz clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) Success (1) Platform Name Apple Device Name AMD Radeon Pro 580X Compute Engine clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR) No devices found in platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM) Invalid device type for platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL) Success (2) Platform Name Apple Device Name AMD Radeon Pro 580X Compute Engine Device Name Intel(R) Core(TM) i9-9900KF CPU @ 3.60GHz