C:\Users\epatt\Downloads>clinfo Number of platforms 2 Platform Name Intel(R) OpenCL HD Graphics Platform Vendor Intel(R) Corporation Platform Version OpenCL 3.0 Platform Profile FULL_PROFILE Platform Extensions cl_khr_byte_addressable_store cl_khr_fp16 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_icd cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_intel_command_queue_families cl_intel_subgroups cl_intel_required_subgroup_size cl_intel_subgroups_short cl_khr_spir cl_intel_accelerator cl_intel_driver_diagnostics cl_khr_priority_hints cl_khr_throttle_hints cl_khr_create_command_queue cl_intel_subgroups_char cl_intel_subgroups_long cl_khr_il_program cl_intel_mem_force_host_memory cl_khr_subgroup_extended_types cl_khr_subgroup_non_uniform_vote cl_khr_subgroup_ballot cl_khr_subgroup_non_uniform_arithmetic cl_khr_subgroup_shuffle cl_khr_subgroup_shuffle_relative cl_khr_subgroup_clustered_reduce cl_intel_device_attribute_query cl_khr_suggested_local_work_size cl_khr_fp64 cl_khr_subgroups cl_intel_spirv_device_side_avc_motion_estimation cl_intel_spirv_media_block_io cl_intel_spirv_subgroups cl_khr_spirv_no_integer_wrap_decoration cl_intel_unified_shared_memory_preview cl_khr_mipmap_image cl_khr_mipmap_image_writes cl_intel_planar_yuv cl_intel_packed_yuv cl_intel_motion_estimation cl_intel_device_side_avc_motion_estimation cl_intel_advanced_motion_estimation cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_image2d_from_buffer cl_khr_depth_images cl_khr_3d_image_writes cl_intel_media_block_io cl_khr_gl_sharing cl_khr_gl_depth_images cl_khr_gl_event cl_khr_gl_msaa_sharing cl_intel_dx9_media_sharing cl_khr_dx9_media_sharing cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_intel_d3d11_nv12_media_sharing cl_intel_sharing_format_query cl_khr_pci_bus_info cl_intel_simultaneous_sharing Platform Extensions with Version cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_fp16 0x400000 (1.0.0) cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_intel_command_queue_families 0x400000 (1.0.0) cl_intel_subgroups 0x400000 (1.0.0) cl_intel_required_subgroup_size 0x400000 (1.0.0) cl_intel_subgroups_short 0x400000 (1.0.0) cl_khr_spir 0x400000 (1.0.0) cl_intel_accelerator 0x400000 (1.0.0) cl_intel_driver_diagnostics 0x400000 (1.0.0) cl_khr_priority_hints 0x400000 (1.0.0) cl_khr_throttle_hints 0x400000 (1.0.0) cl_khr_create_command_queue 0x400000 (1.0.0) cl_intel_subgroups_char 0x400000 (1.0.0) cl_intel_subgroups_long 0x400000 (1.0.0) cl_khr_il_program 0x400000 (1.0.0) cl_intel_mem_force_host_memory 0x400000 (1.0.0) cl_khr_subgroup_extended_types 0x400000 (1.0.0) cl_khr_subgroup_non_uniform_vote 0x400000 (1.0.0) cl_khr_subgroup_ballot 0x400000 (1.0.0) cl_khr_subgroup_non_uniform_arithmetic 0x400000 (1.0.0) cl_khr_subgroup_shuffle 0x400000 (1.0.0) cl_khr_subgroup_shuffle_relative 0x400000 (1.0.0) cl_khr_subgroup_clustered_reduce 0x400000 (1.0.0) cl_intel_device_attribute_query 0x400000 (1.0.0) cl_khr_suggested_local_work_size 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_subgroups 0x400000 (1.0.0) cl_intel_spirv_device_side_avc_motion_estimation 0x400000 (1.0.0) cl_intel_spirv_media_block_io 0x400000 (1.0.0) cl_intel_spirv_subgroups 0x400000 (1.0.0) cl_khr_spirv_no_integer_wrap_decoration 0x400000 (1.0.0) cl_intel_unified_shared_memory_preview 0x400000 (1.0.0) cl_khr_mipmap_image 0x400000 (1.0.0) cl_khr_mipmap_image_writes 0x400000 (1.0.0) cl_intel_planar_yuv 0x400000 (1.0.0) cl_intel_packed_yuv 0x400000 (1.0.0) cl_intel_motion_estimation 0x400000 (1.0.0) cl_intel_device_side_avc_motion_estimation 0x400000 (1.0.0) cl_intel_advanced_motion_estimation 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_khr_image2d_from_buffer 0x400000 (1.0.0) cl_khr_depth_images 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_intel_media_block_io 0x400000 (1.0.0) cl_khr_gl_sharing 0x400000 (1.0.0) cl_khr_gl_depth_images 0x400000 (1.0.0) cl_khr_gl_event 0x400000 (1.0.0) cl_khr_gl_msaa_sharing 0x400000 (1.0.0) cl_intel_dx9_media_sharing 0x400000 (1.0.0) cl_khr_dx9_media_sharing 0x400000 (1.0.0) cl_khr_d3d10_sharing 0x400000 (1.0.0) cl_khr_d3d11_sharing 0x400000 (1.0.0) cl_intel_d3d11_nv12_media_sharing 0x400000 (1.0.0) cl_intel_sharing_format_query 0x400000 (1.0.0) cl_khr_pci_bus_info 0x400000 (1.0.0) cl_intel_simultaneous_sharing 0x400000 (1.0.0) Platform Numeric Version 0xc00000 (3.0.0) Platform Extensions function suffix INTEL Platform Host timer resolution 100ns Platform Name Intel(R) OpenCL Platform Vendor Intel(R) Corporation Platform Version OpenCL 3.0 WINDOWS Platform Profile FULL_PROFILE Platform Extensions cl_khr_spirv_linkonce_odr cl_khr_icd 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_byte_addressable_store cl_khr_depth_images cl_khr_3d_image_writes cl_khr_il_program cl_intel_unified_shared_memory_preview cl_intel_subgroups cl_intel_subgroups_char cl_intel_subgroups_short cl_intel_subgroups_long cl_intel_spirv_subgroups cl_intel_required_subgroup_size cl_intel_exec_by_local_thread cl_intel_vec_len_hint cl_khr_spir cl_khr_fp64 cl_khr_image2d_from_buffer Platform Extensions with Version cl_khr_spirv_linkonce_odr 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_depth_images 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_khr_il_program 0x400000 (1.0.0) cl_intel_unified_shared_memory_preview 0x400000 (1.0.0) cl_intel_subgroups 0x400000 (1.0.0) cl_intel_subgroups_char 0x400000 (1.0.0) cl_intel_subgroups_short 0x400000 (1.0.0) cl_intel_subgroups_long 0x400000 (1.0.0) cl_intel_spirv_subgroups 0x400000 (1.0.0) cl_intel_required_subgroup_size 0x400000 (1.0.0) cl_intel_exec_by_local_thread 0x400000 (1.0.0) cl_intel_vec_len_hint 0x400000 (1.0.0) cl_khr_spir 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_image2d_from_buffer 0x400000 (1.0.0) Platform Numeric Version 0xc00000 (3.0.0) Platform Extensions function suffix INTEL Platform Host timer resolution 100ns Platform Name Intel(R) OpenCL HD Graphics Number of devices 1 Device Name Intel(R) HD Graphics 620 Device Vendor Intel(R) Corporation Device Vendor ID 0x8086 Device Version OpenCL 3.0 NEO Device Numeric Version 0xc00000 (3.0.0) Driver Version 30.0.101.1660 Device OpenCL C Version OpenCL C 1.2 Device OpenCL C all versions OpenCL C 0x400000 (1.0.0) OpenCL C 0x401000 (1.1.0) OpenCL C 0x402000 (1.2.0) OpenCL C 0xc00000 (3.0.0) Device OpenCL C features __opencl_c_int64 0xc00000 (3.0.0) __opencl_c_3d_image_writes 0xc00000 (3.0.0) __opencl_c_images 0xc00000 (3.0.0) __opencl_c_read_write_images 0xc00000 (3.0.0) __opencl_c_atomic_order_acq_rel 0xc00000 (3.0.0) __opencl_c_atomic_order_seq_cst 0xc00000 (3.0.0) __opencl_c_atomic_scope_all_devices 0xc00000 (3.0.0) __opencl_c_atomic_scope_device 0xc00000 (3.0.0) __opencl_c_generic_address_space 0xc00000 (3.0.0) __opencl_c_program_scope_global_variables 0xc00000 (3.0.0) __opencl_c_work_group_collective_functions 0xc00000 (3.0.0) __opencl_c_subgroups 0xc00000 (3.0.0) __opencl_c_pipes 0xc00000 (3.0.0) __opencl_c_fp64 0xc00000 (3.0.0) Latest conformance test passed v2021-06-16-00 Device Type GPU Device PCI bus info (KHR) PCI-E, 0000:00:02.0 Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 24 Max clock frequency 1000MHz 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 (device) 32 Preferred work group size multiple (kernel) 32 Max sub-groups per work group 32 Sub-group sizes (Intel) 8, 16, 32 Preferred / native vector sizes char 16 / 16 short 8 / 8 int 4 / 4 long 1 / 1 half 8 / 8 (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 3393019904 (3.16GiB) Error Correction support No Max memory allocation 1696509952 (1.58GiB) Unified memory for Host and Device Yes Shared Virtual Memory (SVM) capabilities (core) Coarse-grained buffer sharing Yes Fine-grained buffer sharing Yes Fine-grained system sharing No Atomics Yes Minimum alignment for any data type 128 bytes Alignment of base address 1024 bits (128 bytes) Preferred alignment for atomics SVM 64 bytes Global 64 bytes Local 64 bytes Atomic memory capabilities relaxed, acquire/release, sequentially-consistent, work-group scope, device scope, all-devices scope Atomic fence capabilities relaxed, acquire/release, sequentially-consistent, work-item scope, work-group scope, device scope, all-devices scope Max size for global variable 65536 (64KiB) Preferred total size of global vars 1696509952 (1.58GiB) Global Memory cache type Read/Write Global Memory cache size 524288 (512KiB) Global Memory cache line size 64 bytes Image support Yes Max number of samplers per kernel 16 Max size for 1D images from buffer 106031872 pixels Max 1D or 2D image array size 2048 images Base address alignment for 2D image buffers 4 bytes Pitch alignment for 2D image buffers 4 pixels Max 2D image size 16384x16384 pixels Max planar YUV image size 16384x16352 pixels Max 3D image size 16384x16384x2048 pixels Max number of read image args 128 Max number of write image args 128 Max number of read/write image args 128 Pipe support Yes Max number of pipe args 16 Max active pipe reservations 1 Max pipe packet size 1024 Local memory type Local Local memory size 65536 (64KiB) Max number of constant args 8 Max constant buffer size 1696509952 (1.58GiB) Generic address space support Yes Max size of kernel argument 2048 (2KiB) Queue properties (on host) Out-of-order execution Yes Profiling Yes Device enqueue capabilities (n/a) Queue properties (on device) Out-of-order execution No Profiling No Preferred size 0 Max size 0 Max queues on device 0 Max events on device 0 Prefer user sync for interop Yes Number of simultaneous interops (Intel) 1 Simultaneous interops GL WGL D3D9 (KHR) D3D9 (INTEL) D3D9Ex (KHR) D3D9Ex (INTEL) DXVA (KHR) DXVA (INTEL) D3D10 D3D11 Profiling timer resolution 83ns Execution capabilities Run OpenCL kernels Yes Run native kernels No Non-uniform work-groups Yes Work-group collective functions Yes Sub-group independent forward progress Yes IL version SPIR-V_1.2 ILs with version SPIR-V 0x402000 (1.2.0) SPIR versions 1.2 printf() buffer size 4194304 (4MiB) Built-in kernels block_motion_estimate_intel;block_advanced_motion_estimate_check_intel;block_advanced_motion_estimate_bidirectional_check_intel; Built-in kernels with version block_motion_estimate_intel 0x400000 (1.0.0) block_advanced_motion_estimate_check_intel 0x400000 (1.0.0) block_advanced_motion_estimate_bidirectional_check_intel 0x400000 (1.0.0) Motion Estimation accelerator version (Intel) 2 Device-side AVC Motion Estimation version 1 Supports texture sampler use Yes Supports preemption No Device Extensions cl_khr_byte_addressable_store cl_khr_fp16 cl_khr_global_int32_base_atomics cl_khr_global_int32_extended_atomics cl_khr_icd cl_khr_local_int32_base_atomics cl_khr_local_int32_extended_atomics cl_intel_command_queue_families cl_intel_subgroups cl_intel_required_subgroup_size cl_intel_subgroups_short cl_khr_spir cl_intel_accelerator cl_intel_driver_diagnostics cl_khr_priority_hints cl_khr_throttle_hints cl_khr_create_command_queue cl_intel_subgroups_char cl_intel_subgroups_long cl_khr_il_program cl_intel_mem_force_host_memory cl_khr_subgroup_extended_types cl_khr_subgroup_non_uniform_vote cl_khr_subgroup_ballot cl_khr_subgroup_non_uniform_arithmetic cl_khr_subgroup_shuffle cl_khr_subgroup_shuffle_relative cl_khr_subgroup_clustered_reduce cl_intel_device_attribute_query cl_khr_suggested_local_work_size cl_khr_fp64 cl_khr_subgroups cl_intel_spirv_device_side_avc_motion_estimation cl_intel_spirv_media_block_io cl_intel_spirv_subgroups cl_khr_spirv_no_integer_wrap_decoration cl_intel_unified_shared_memory_preview cl_khr_mipmap_image cl_khr_mipmap_image_writes cl_intel_planar_yuv cl_intel_packed_yuv cl_intel_motion_estimation cl_intel_device_side_avc_motion_estimation cl_intel_advanced_motion_estimation cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_image2d_from_buffer cl_khr_depth_images cl_khr_3d_image_writes cl_intel_media_block_io cl_khr_gl_sharing cl_khr_gl_depth_images cl_khr_gl_event cl_khr_gl_msaa_sharing cl_intel_dx9_media_sharing cl_khr_dx9_media_sharing cl_khr_d3d10_sharing cl_khr_d3d11_sharing cl_intel_d3d11_nv12_media_sharing cl_intel_sharing_format_query cl_khr_pci_bus_info cl_intel_simultaneous_sharing Device Extensions with Version cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_fp16 0x400000 (1.0.0) cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_intel_command_queue_families 0x400000 (1.0.0) cl_intel_subgroups 0x400000 (1.0.0) cl_intel_required_subgroup_size 0x400000 (1.0.0) cl_intel_subgroups_short 0x400000 (1.0.0) cl_khr_spir 0x400000 (1.0.0) cl_intel_accelerator 0x400000 (1.0.0) cl_intel_driver_diagnostics 0x400000 (1.0.0) cl_khr_priority_hints 0x400000 (1.0.0) cl_khr_throttle_hints 0x400000 (1.0.0) cl_khr_create_command_queue 0x400000 (1.0.0) cl_intel_subgroups_char 0x400000 (1.0.0) cl_intel_subgroups_long 0x400000 (1.0.0) cl_khr_il_program 0x400000 (1.0.0) cl_intel_mem_force_host_memory 0x400000 (1.0.0) cl_khr_subgroup_extended_types 0x400000 (1.0.0) cl_khr_subgroup_non_uniform_vote 0x400000 (1.0.0) cl_khr_subgroup_ballot 0x400000 (1.0.0) cl_khr_subgroup_non_uniform_arithmetic 0x400000 (1.0.0) cl_khr_subgroup_shuffle 0x400000 (1.0.0) cl_khr_subgroup_shuffle_relative 0x400000 (1.0.0) cl_khr_subgroup_clustered_reduce 0x400000 (1.0.0) cl_intel_device_attribute_query 0x400000 (1.0.0) cl_khr_suggested_local_work_size 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_subgroups 0x400000 (1.0.0) cl_intel_spirv_device_side_avc_motion_estimation 0x400000 (1.0.0) cl_intel_spirv_media_block_io 0x400000 (1.0.0) cl_intel_spirv_subgroups 0x400000 (1.0.0) cl_khr_spirv_no_integer_wrap_decoration 0x400000 (1.0.0) cl_intel_unified_shared_memory_preview 0x400000 (1.0.0) cl_khr_mipmap_image 0x400000 (1.0.0) cl_khr_mipmap_image_writes 0x400000 (1.0.0) cl_intel_planar_yuv 0x400000 (1.0.0) cl_intel_packed_yuv 0x400000 (1.0.0) cl_intel_motion_estimation 0x400000 (1.0.0) cl_intel_device_side_avc_motion_estimation 0x400000 (1.0.0) cl_intel_advanced_motion_estimation 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_khr_image2d_from_buffer 0x400000 (1.0.0) cl_khr_depth_images 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_intel_media_block_io 0x400000 (1.0.0) cl_khr_gl_sharing 0x400000 (1.0.0) cl_khr_gl_depth_images 0x400000 (1.0.0) cl_khr_gl_event 0x400000 (1.0.0) cl_khr_gl_msaa_sharing 0x400000 (1.0.0) cl_intel_dx9_media_sharing 0x400000 (1.0.0) cl_khr_dx9_media_sharing 0x400000 (1.0.0) cl_khr_d3d10_sharing 0x400000 (1.0.0) cl_khr_d3d11_sharing 0x400000 (1.0.0) cl_intel_d3d11_nv12_media_sharing 0x400000 (1.0.0) cl_intel_sharing_format_query 0x400000 (1.0.0) cl_khr_pci_bus_info 0x400000 (1.0.0) cl_intel_simultaneous_sharing 0x400000 (1.0.0) Platform Name Intel(R) OpenCL Number of devices 1 Device Name Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz Device Vendor Intel(R) Corporation Device Vendor ID 0x8086 Device Version OpenCL 3.0 (Build 0) Device Numeric Version 0xc00000 (3.0.0) Driver Version 2021.13.11.0.23_160000 Device OpenCL C Version OpenCL C 3.0 Device OpenCL C all versions OpenCL C 0xc00000 (3.0.0) OpenCL C 0x800000 (2.0.0) OpenCL C 0x402000 (1.2.0) OpenCL C 0x401000 (1.1.0) OpenCL C 0x400000 (1.0.0) Device OpenCL C features __opencl_c_3d_image_writes 0xc00000 (3.0.0) __opencl_c_atomic_order_acq_rel 0xc00000 (3.0.0) __opencl_c_atomic_order_seq_cst 0xc00000 (3.0.0) __opencl_c_atomic_scope_device 0xc00000 (3.0.0) __opencl_c_atomic_scope_all_devices 0xc00000 (3.0.0) __opencl_c_device_enqueue 0xc00000 (3.0.0) __opencl_c_generic_address_space 0xc00000 (3.0.0) __opencl_c_fp64 0xc00000 (3.0.0) __opencl_c_images 0xc00000 (3.0.0) __opencl_c_int64 0xc00000 (3.0.0) __opencl_c_pipes 0xc00000 (3.0.0) __opencl_c_program_scope_global_variables 0xc00000 (3.0.0) __opencl_c_read_write_images 0xc00000 (3.0.0) __opencl_c_subgroups 0xc00000 (3.0.0) __opencl_c_work_group_collective_functions 0xc00000 (3.0.0) Latest conformance test passed v2021-08-16-00 Device Type CPU Device Profile FULL_PROFILE Device Available Yes Compiler Available Yes Linker Available Yes Max compute units 4 Max clock frequency 2500MHz Device Partition (core) Max number of sub-devices 4 Supported partition types by counts, equally, by names (Intel) Supported affinity domains (n/a) Max work item dimensions 3 Max work item sizes 8192x8192x8192 Max work group size 8192 Preferred work group size multiple (device) 128 Preferred work group size multiple (kernel) 128 Max sub-groups per work group 2048 Sub-group sizes (Intel) 4, 8, 16, 32, 64 Preferred / native vector sizes char 1 / 32 short 1 / 16 int 1 / 8 long 1 / 4 half 0 / 0 (n/a) float 1 / 8 double 1 / 4 (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 No Round to infinity No IEEE754-2008 fused multiply-add No Support is emulated in software No Correctly-rounded divide and sqrt operations No 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 8482549760 (7.9GiB) Error Correction support No Max memory allocation 2120637440 (1.975GiB) Unified memory for Host and Device Yes Shared Virtual Memory (SVM) capabilities (core) Coarse-grained buffer sharing Yes Fine-grained buffer sharing Yes Fine-grained system sharing Yes Atomics Yes Minimum alignment for any data type 128 bytes Alignment of base address 1024 bits (128 bytes) Preferred alignment for atomics SVM 64 bytes Global 64 bytes Local 0 bytes Atomic memory capabilities relaxed, acquire/release, sequentially-consistent, work-group scope, device scope, all-devices scope Atomic fence capabilities relaxed, acquire/release, sequentially-consistent, work-item scope, work-group scope, device scope, all-devices scope Max size for global variable 65536 (64KiB) Preferred total size of global vars 65536 (64KiB) Global Memory cache type Read/Write Global Memory cache size 262144 (256KiB) Global Memory cache line size 64 bytes Image support Yes Max number of samplers per kernel 480 Max size for 1D images from buffer 132539840 pixels Max 1D or 2D image array size 2048 images Base address alignment for 2D image buffers 64 bytes Pitch alignment for 2D image buffers 64 pixels Max 2D image size 16384x16384 pixels Max 3D image size 2048x2048x2048 pixels Max number of read image args 480 Max number of write image args 480 Max number of read/write image args 480 Pipe support Yes Max number of pipe args 16 Max active pipe reservations 65535 Max pipe packet size 1024 Local memory type Global Local memory size 32768 (32KiB) Max number of constant args 480 Max constant buffer size 131072 (128KiB) Generic address space support Yes Max size of kernel argument 3840 (3.75KiB) Queue properties (on host) Out-of-order execution Yes Profiling Yes Local thread execution (Intel) Yes Device enqueue capabilities supported, replaceable default queue Queue properties (on device) Out-of-order execution Yes Profiling Yes Preferred size 4294967295 (4GiB) Max size 4294967295 (4GiB) Max queues on device 4294967295 Max events on device 4294967295 Prefer user sync for interop No Profiling timer resolution 100ns Execution capabilities Run OpenCL kernels Yes Run native kernels Yes Non-uniform work-groups Yes Work-group collective functions Yes Sub-group independent forward progress No IL version SPIR-V_1.0 ILs with version SPIR-V 0x400000 (1.0.0) SPIR versions 1.2 printf() buffer size 1048576 (1024KiB) Built-in kernels (n/a) Built-in kernels with version (n/a) Device Extensions cl_khr_spirv_linkonce_odr cl_khr_icd 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_byte_addressable_store cl_khr_depth_images cl_khr_3d_image_writes cl_khr_il_program cl_intel_unified_shared_memory_preview cl_intel_subgroups cl_intel_subgroups_char cl_intel_subgroups_short cl_intel_subgroups_long cl_intel_spirv_subgroups cl_intel_required_subgroup_size cl_intel_exec_by_local_thread cl_intel_vec_len_hint cl_khr_spir cl_khr_fp64 cl_khr_image2d_from_buffer Device Extensions with Version cl_khr_spirv_linkonce_odr 0x400000 (1.0.0) cl_khr_icd 0x400000 (1.0.0) cl_khr_global_int32_base_atomics 0x400000 (1.0.0) cl_khr_global_int32_extended_atomics 0x400000 (1.0.0) cl_khr_local_int32_base_atomics 0x400000 (1.0.0) cl_khr_local_int32_extended_atomics 0x400000 (1.0.0) cl_khr_int64_base_atomics 0x400000 (1.0.0) cl_khr_int64_extended_atomics 0x400000 (1.0.0) cl_khr_byte_addressable_store 0x400000 (1.0.0) cl_khr_depth_images 0x400000 (1.0.0) cl_khr_3d_image_writes 0x400000 (1.0.0) cl_khr_il_program 0x400000 (1.0.0) cl_intel_unified_shared_memory_preview 0x400000 (1.0.0) cl_intel_subgroups 0x400000 (1.0.0) cl_intel_subgroups_char 0x400000 (1.0.0) cl_intel_subgroups_short 0x400000 (1.0.0) cl_intel_subgroups_long 0x400000 (1.0.0) cl_intel_spirv_subgroups 0x400000 (1.0.0) cl_intel_required_subgroup_size 0x400000 (1.0.0) cl_intel_exec_by_local_thread 0x400000 (1.0.0) cl_intel_vec_len_hint 0x400000 (1.0.0) cl_khr_spir 0x400000 (1.0.0) cl_khr_fp64 0x400000 (1.0.0) cl_khr_image2d_from_buffer 0x400000 (1.0.0) 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 [INTEL] clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1) Platform Name Intel(R) OpenCL HD Graphics Device Name Intel(R) HD Graphics 620 clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) Success (1) Platform Name Intel(R) OpenCL HD Graphics Device Name Intel(R) HD Graphics 620 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 Intel(R) OpenCL HD Graphics Device Name Intel(R) HD Graphics 620 C:\Users\epatt\Downloads>