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- Number of platforms 2
- Platform Name Portable Computing Language
- Platform Vendor The pocl project
- Platform Version OpenCL 1.2 pocl 1.1 None+Asserts, LLVM 6.0.0, SPIR, SLEEF, DISTRO, POCL_DEBUG
- Platform Profile FULL_PROFILE
- Platform Extensions cl_khr_icd
- Platform Extensions function suffix POCL
- Platform Name AMD Accelerated Parallel Processing
- Platform Vendor Advanced Micro Devices, Inc.
- Platform Version OpenCL 2.1 AMD-APP (3110.6)
- 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 Portable Computing Language
- Number of devices 1
- Device Name pthread-AMD Athlon(tm) X4 880K Quad Core Processor
- Device Vendor AuthenticAMD
- Device Vendor ID 0x1022
- Device Version OpenCL 1.2 pocl HSTR: pthread-x86_64-pc-linux-gnu-bdver3
- Driver Version 1.1
- Device OpenCL C Version OpenCL C 1.2 pocl
- Device Type CPU
- Device Profile FULL_PROFILE
- Device Available Yes
- Compiler Available Yes
- Linker Available Yes
- Max compute units 4
- Max clock frequency 4000MHz
- Device Partition (core)
- Max number of sub-devices 4
- Supported partition types equally, by counts
- Max work item dimensions 3
- Max work item sizes 4096x4096x4096
- Max work group size 4096
- Preferred work group size multiple 8
- Preferred / native vector sizes
- char 16 / 16
- short 16 / 16
- int 8 / 8
- long 4 / 4
- half 0 / 0 (n/a)
- float 8 / 8
- double 4 / 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 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 14582603776 (13.58GiB)
- Error Correction support No
- Max memory allocation 4294967296 (4GiB)
- 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 2097152 (2MiB)
- Global Memory cache line size 64 bytes
- Image support Yes
- Max number of samplers per kernel 16
- Max size for 1D images from buffer 268435456 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 128
- Local memory type Global
- Local memory size 1048576 (1024KiB)
- Max number of constant args 8
- Max constant buffer size 1048576 (1024KiB)
- Max size of kernel argument 1024
- 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
- SPIR versions 1.2
- printf() buffer size 1048576 (1024KiB)
- Built-in kernels
- Device Extensions cl_khr_byte_addressable_store 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_3d_image_writes cl_khr_spir cl_khr_fp64 cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_fp64
- Platform Name AMD Accelerated Parallel Processing
- Number of devices 1
- Device Name Ellesmere
- Device Vendor Advanced Micro Devices, Inc.
- Device Vendor ID 0x1002
- Device Version OpenCL 1.2 AMD-APP (3110.6)
- Driver Version 3110.6
- Device OpenCL C Version OpenCL C 1.2
- Device Type GPU
- Device Board Name (AMD) Radeon RX 580 Series
- Device Topology (AMD) PCI-E, 01:00.0
- Device Profile FULL_PROFILE
- Device Available Yes
- Compiler Available Yes
- Linker Available Yes
- Max compute units 36
- SIMD per compute unit (AMD) 4
- SIMD width (AMD) 16
- SIMD instruction width (AMD) 1
- Max clock frequency 1366MHz
- Graphics IP (AMD) 8.0
- Device Partition (core)
- Max number of sub-devices 36
- 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 7928598528 (7.384GiB)
- Global free memory (AMD) 7713936 (7.357GiB)
- Global memory channels (AMD) 8
- Global memory banks per channel (AMD) 16
- Global memory bank width (AMD) 256 bytes
- Error Correction support No
- Max memory allocation 4244635648 (3.953GiB)
- Unified memory for Host and Device No
- Minimum alignment for any data type 128 bytes
- Alignment of base address 2048 bits (256 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 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 8
- Local memory type Local
- Local memory size 32768 (32KiB)
- 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
- Out-of-order execution No
- Profiling Yes
- Prefer user sync for interop Yes
- Profiling timer resolution 1ns
- Profiling timer offset since Epoch (AMD) 1608186668067522816ns (Wed Dec 16 22:31:08 2020)
- Execution capabilities
- Run OpenCL kernels Yes
- Run native kernels No
- Thread trace supported (AMD) Yes
- Number of async queues (AMD) 2
- 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_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_amd_bus_addressable_memory cl_khr_spir cl_khr_gl_event
- 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 [POCL]
- clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1)
- Platform Name Portable Computing Language
- Device Name pthread-AMD Athlon(tm) X4 880K Quad Core Processor
- clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) Success (1)
- Platform Name Portable Computing Language
- Device Name pthread-AMD Athlon(tm) X4 880K Quad Core Processor
- clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) No devices found in platform
- 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 Portable Computing Language
- Device Name pthread-AMD Athlon(tm) X4 880K Quad Core Processor
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