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- Number of platforms 1
- Platform Name AMD Accelerated Parallel Processing
- Platform Vendor Advanced Micro Devices, Inc.
- Platform Version OpenCL 2.1 AMD-APP (2686.5)
- Platform Profile FULL_PROFILE
- Platform Extensions cl_khr_icd cl_amd_event_callback cl_amd_offline_devices
- Platform Host timer resolution 1ns
- Platform Extensions function suffix AMD
- Platform Name AMD Accelerated Parallel Processing
- Number of devices 1
- Device Name gfx900
- Device Vendor Advanced Micro Devices, Inc.
- Device Vendor ID 0x1002
- Device Version OpenCL 2.0 AMD-APP (2686.5)
- Driver Version 2686.5 (PAL,HSAIL)
- Device OpenCL C Version OpenCL C 2.0
- Device Type GPU
- Device Board Name (AMD) Radeon RX Vega
- Device Topology (AMD) PCI-E, 25:00.0
- Device Profile FULL_PROFILE
- Device Available Yes
- Compiler Available Yes
- Linker Available Yes
- Max compute units 64
- SIMD per compute unit (AMD) 4
- SIMD width (AMD) 16
- SIMD instruction width (AMD) 1
- Max clock frequency 1630MHz
- Graphics IP (AMD) 9.0
- Device Partition (core)
- Max number of sub-devices 64
- Supported partition types None
- 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 8573157376 (7.984GiB)
- Global free memory (AMD) 8372224 (7.984GiB)
- Global memory channels (AMD) 64
- Global memory banks per channel (AMD) 4
- Global memory bank width (AMD) 256 bytes
- Error Correction support No
- Max memory allocation 4244635648 (3.953GiB)
- 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 2048 bits (256 bytes)
- Preferred alignment for atomics
- SVM 0 bytes
- Global 0 bytes
- Local 0 bytes
- Max size for global variable 3820172032 (3.558GiB)
- Preferred total size of global vars 8573157376 (7.984GiB)
- 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 16
- Max size for 1D images from buffer 134217728 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 64
- Max number of read/write image args 64
- Max number of pipe args 16
- Max active pipe reservations 16
- Max pipe packet size 4244635648 (3.953GiB)
- 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 4244635648 (3.953GiB)
- 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
- Profiling timer resolution 1ns
- Profiling timer offset since Epoch (AMD) 1542231415691456617ns (Wed Nov 14 22:36:55 2018)
- Execution capabilities
- Run OpenCL kernels Yes
- Run native kernels No
- Thread trace supported (AMD) Yes
- Number of async queues (AMD) 8
- Max real-time compute queues (AMD) 0
- Max real-time compute units (AMD) 0
- SPIR versions 1.2
- printf() buffer size 4194304 (4MiB)
- Built-in kernels
- Device Extensions cl_khr_fp64 cl_amd_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_khr_gl_depth_images cl_amd_device_attribute_query cl_amd_vec3 cl_amd_printf cl_amd_media_ops cl_amd_media_ops2 cl_amd_popcnt cl_khr_image2d_from_buffer cl_khr_spir cl_khr_subgroups cl_khr_gl_event cl_khr_depth_images cl_khr_mipmap_image cl_khr_mipmap_image_writes
- 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 gfx900
- 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 gfx900
- 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 gfx900
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