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December 1, 2020 00:50
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| % nv-sglrun clinfo | |
| shim init | |
| Number of platforms 1 | |
| Platform Name NVIDIA CUDA | |
| Platform Vendor NVIDIA Corporation | |
| Platform Version OpenCL 1.2 CUDA 11.1.110 | |
| Platform Profile FULL_PROFILE | |
| Platform Extensions 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_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_device_uuid | |
| Platform Extensions function suffix NV | |
| Platform Name NVIDIA CUDA | |
| Number of devices 1 | |
| Device Name GeForce GTX 1660 | |
| Device Vendor NVIDIA Corporation | |
| Device Vendor ID 0x10de | |
| Device Version OpenCL 1.2 CUDA | |
| Driver Version 455.38 | |
| Device OpenCL C Version OpenCL C 1.2 | |
| Device Type GPU | |
| Device Topology (NV) PCI-E, 01:00.0 | |
| Device Profile FULL_PROFILE | |
| Device Available Yes | |
| Compiler Available Yes | |
| Linker Available Yes | |
| Max compute units 22 | |
| Max clock frequency 1830MHz | |
| Compute Capability (NV) 7.5 | |
| Device Partition (core) | |
| Max number of sub-devices 1 | |
| Supported partition types None | |
| Supported affinity domains (n/a) | |
| Max work item dimensions 3 | |
| Max work item sizes 1024x1024x64 | |
| Max work group size 1024 | |
| Preferred work group size multiple 32 | |
| Warp size (NV) 32 | |
| Preferred / native vector sizes | |
| char 1 / 1 | |
| short 1 / 1 | |
| 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 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 6232997888 (5.805GiB) | |
| Error Correction support No | |
| Max memory allocation 1558249472 (1.451GiB) | |
| Unified memory for Host and Device No | |
| Integrated memory (NV) No | |
| Minimum alignment for any data type 128 bytes | |
| Alignment of base address 4096 bits (512 bytes) | |
| Global Memory cache type Read/Write | |
| Global Memory cache size 720896 (704KiB) | |
| Global Memory cache line size 128 bytes | |
| Image support Yes | |
| Max number of samplers per kernel 32 | |
| Max size for 1D images from buffer 268435456 pixels | |
| Max 1D or 2D image array size 2048 images | |
| Max 2D image size 32768x32768 pixels | |
| Max 3D image size 16384x16384x16384 pixels | |
| Max number of read image args 256 | |
| Max number of write image args 32 | |
| Local memory type Local | |
| Local memory size 49152 (48KiB) | |
| Registers per block (NV) 65536 | |
| Max number of constant args 9 | |
| Max constant buffer size 65536 (64KiB) | |
| Max size of kernel argument 4352 (4.25KiB) | |
| Queue properties | |
| Out-of-order execution Yes | |
| Profiling Yes | |
| Prefer user sync for interop No | |
| Profiling timer resolution 1000ns | |
| Execution capabilities | |
| Run OpenCL kernels Yes | |
| Run native kernels No | |
| Kernel execution timeout (NV) Yes | |
| Concurrent copy and kernel execution (NV) Yes | |
| Number of async copy engines 3 | |
| printf() buffer size 1048576 (1024KiB) | |
| Built-in kernels (n/a) | |
| Device Extensions 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_fp64 cl_khr_byte_addressable_store cl_khr_icd cl_khr_gl_sharing cl_nv_compiler_options cl_nv_device_attribute_query cl_nv_pragma_unroll cl_nv_copy_opts cl_nv_create_buffer cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_device_uuid | |
| NULL platform behavior | |
| clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) NVIDIA CUDA | |
| clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [NV] | |
| clCreateContext(NULL, ...) [default] <checkNullCtx:2758: create context with device from default platform : error -9999> | |
| clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) No platform | |
| clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform | |
| clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) No platform | |
| 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) No platform | |
| 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 | |
| NOTE: your OpenCL library declares to support OpenCL 2.2, | |
| but it seems to support up to OpenCL 1.0 only. | |
| NOTE: your OpenCL library only supports OpenCL 1.0, | |
| but some installed platforms support OpenCL 1.2. | |
| Programs using 1.2 features may crash | |
| or behave unexpectedly |
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