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Muhammad-Yunus/clinfo.txt

Created October 15, 2021 10:36
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OpenCL clinfo Raspberry Pi 3 (POCL + VC4CL)
Raw
clinfo.txt
Number of platforms 2
Platform Name OpenCL for the Raspberry Pi VideoCore IV GPU
Platform Vendor doe300
Platform Version OpenCL 1.2 VC4CL 0.4.9999 (4bf06c9)
Platform Profile EMBEDDED_PROFILE
Platform Extensions cl_khr_il_program cl_khr_spir cl_khr_c reate_command_queue cl_altera_device_temperature cl_altera_live_object_tracking cl_khr_i cd cl_khr_extended_versioning cl_khr_spirv_no_integer_wrap_decoration cl_khr_suggested_l ocal_work_size cl_vc4cl_performance_counters
Platform Extensions function suffix VC4CL
Platform Name Portable Computing Language
Platform Vendor The pocl project
Platform Version OpenCL 2.0 pocl 1.7, Debug+Asserts, LL VM 7.0.1, RELOC, SLEEF, FP16, POCL_DEBUG
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd
Platform Extensions function suffix POCL
Platform Name OpenCL for the Raspberry Pi VideoCore IV GPU
Number of devices 1
Device Name VideoCore IV GPU
Device Vendor Broadcom
Device Vendor ID 0x14e4
Device Version OpenCL 1.2 VC4CL 0.4.9999 (4bf06c9)
Driver Version 0.4.9999
Device OpenCL C Version OpenCL C 1.2
Device Type GPU
Device Profile EMBEDDED_PROFILE
Device Available Yes
Compiler Available Yes
Linker Available Yes
Max compute units 1
gpuserv: vc_gpuserv_init: starting initialisation
Max clock frequency 300MHz
Core Temperature (Altera) 51 C
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 12x12x12
Max work group size 12
Preferred work group size multiple 1
Preferred / native vector sizes
char 16 / 16
short 16 / 16
int 16 / 16
long 0 / 0
half 0 / 0 (n/a)
float 16 / 16
double 0 / 0 (n/a)
Half-precision Floating-point support (n/a)
Single-precision Floating-point support (core)
Denormals No
Infinity and NANs No
Round to nearest No
Round to zero Yes
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 (n/a)
Address bits 32, Little-Endian
Global memory size 67108864 (64MiB)
Error Correction support No
Max memory allocation 33554432 (32MiB)
Unified memory for Host and Device Yes
Minimum alignment for any data type 64 bytes
Alignment of base address 512 bits (64 bytes)
Global Memory cache type Read/Write
Global Memory cache size 32768 (32KiB)
Global Memory cache line size 64 bytes
Image support No
Local memory type Global
Local memory size 67108864 (64MiB)
Max number of constant args 32
Max constant buffer size 67108864 (64MiB)
Max size of kernel argument 256
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 No
IL version SPIR-V_1.5 SPIR_1.2
SPIR versions 1.2
printf() buffer size 0
Built-in kernels (n/a)
Device Extensions cl_khr_global_int32_base_atomics cl_kh r_global_int32_extended_atomics cl_khr_local_int32_base_atomics cl_khr_local_int32_exten ded_atomics cl_khr_byte_addressable_store cl_nv_pragma_unroll cl_arm_core_id cl_ext_atom ic_counters_32 cl_khr_initialize_memory cl_arm_integer_dot_product_int8 cl_arm_integer_d ot_product_accumulate_int8 cl_arm_integer_dot_product_accumulate_int16 cl_arm_integer_do t_product_accumulate_saturate_int8 cl_khr_il_program cl_khr_spir cl_khr_create_command_q ueue cl_altera_device_temperature cl_altera_live_object_tracking cl_khr_icd cl_khr_exten ded_versioning cl_khr_spirv_no_integer_wrap_decoration cl_khr_suggested_local_work_size cl_vc4cl_performance_counters
Platform Name Portable Computing Language
Number of devices 1
Device Name pthread-cortex-a53
Device Vendor ARM
Device Vendor ID 0x13b5
Device Version OpenCL 1.2 pocl HSTR: pthread-armv6k-u nknown-linux-gnueabihf-cortex-a53
Driver Version 1.7
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 1200MHz
Device Partition (core)
Max number of sub-devices 4
Supported partition types equally, by counts
Supported affinity domains (n/a)
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 8 / 8
int 4 / 4
long 2 / 2
half 8 / 8 (cl_khr_fp16)
float 4 / 4
double 2 / 2 (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 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 32, Little-Endian
Global memory size 726829056 (693.2MiB)
Error Correction support No
Max memory allocation 268435456 (256MiB)
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 None
Image support Yes
Max number of samplers per kernel 16
Max size for 1D images from buffer 16777216 pixels
Max 1D or 2D image array size 2048 images
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 128
Local memory type Global
Local memory size 524288 (512KiB)
Max number of constant args 8
Max constant buffer size 524288 (512KiB)
Max size of kernel argument 1024
Queue properties
Out-of-order execution Yes
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 16777216 (16MiB)
Built-in kernels (n/a)
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_fp16 cl_khr_fp64
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) OpenCL for the Raspberry Pi VideoCore IV GPU
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [VC4CL]
clCreateContext(NULL, ...) [default] Success [VC4CL]
clCreateContext(NULL, ...) [other] Success [POCL]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1)
Platform Name OpenCL for the Raspberry Pi VideoCore IV GPU
Device Name VideoCore IV GPU
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) No devices found in platform
clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU) Success (1)
Platform Name OpenCL for the Raspberry Pi VideoCore IV GPU
Device Name VideoCore IV GPU
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 OpenCL for the Raspberry Pi VideoCore IV GPU
Device Name VideoCore IV GPU
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
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