… results …
Mine (off-topic from the segmentation fault, for which there's the bug report):
Code:
% clinfo
Number of platforms 1
Platform Name Portable Computing Language
Platform Vendor The pocl project
Platform Version OpenCL 1.2 pocl 1.6, Release+Asserts, LLVM 11.0.1, RELOC, SLEEF, DISTRO, POCL_DEBUG
Platform Profile FULL_PROFILE
Platform Extensions cl_khr_icd
Platform Extensions function suffix POCL
Platform Name Portable Computing Language
Number of devices 1
Device Name Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Device Vendor pocl
Device Vendor ID 0x6c636f70
Device Version OpenCL 1.2 pocl HSTR: pthread-x86_64-portbld-freebsd14.0-ivybridge
Driver Version 1.6
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 2901MHz
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 (kernel) 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 No
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 14492004352 (13.5GiB)
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 4194304 (4MiB)
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 262144 (256KiB)
Max number of constant args 8
Max constant buffer size 262144 (256KiB)
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_fp64 cl_khr_int64_base_atomics cl_khr_int64_extended_atomics cl_khr_fp64
NULL platform behavior
clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...) Portable Computing Language
clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...) Success [POCL]
clCreateContext(NULL, ...) [default] Success [POCL]
clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT) Success (1)
Platform Name Portable Computing Language
Device Name Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU) Success (1)
Platform Name Portable Computing Language
Device Name Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
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 Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
ICD loader properties
ICD loader Name OpenCL ICD Loader
ICD loader Vendor OCL Icd free software
ICD loader Version 2.2.13
ICD loader Profile OpenCL 3.0
%
Code:
% clpeak
Platform: Portable Computing Language
Device: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
Driver version : 1.6 (FreeBSD)
Compute units : 4
Clock frequency : 2901 MHz
Global memory bandwidth (GBPS)
float : 9.72
float2 : 13.48
float4 : 15.96
float8 : 16.08
float16 : 15.42
Single-precision compute (GFLOPS)
float : 3.22
float2 : 6.44
float4 : 13.13
float8 : 26.13
float16 : 51.52
No half precision support! Skipped
Double-precision compute (GFLOPS)
double : 3.26
double2 : 6.54
double4 : 13.11
double8 : 25.86
double16 : 50.05
Integer compute (GIOPS)
int : 6.52
int2 : 8.73
int4 : 17.80
int8 : 31.05
int16 : 48.10
Transfer bandwidth (GBPS)
enqueueWriteBuffer : 6.89
enqueueReadBuffer : 6.90
enqueueMapBuffer(for read) : 35791.39
memcpy from mapped ptr : 7.29
enqueueUnmap(after write) : 46888.29
memcpy to mapped ptr : 7.71
Kernel launch latency : 8.74 us
%
Code:
% drm_info
Node: /dev/dri/card0
├───Driver: radeon (ATI Radeon) version 2.50.0 (20080528)
│ ├───DRM_CLIENT_CAP_STEREO_3D supported
│ ├───DRM_CLIENT_CAP_UNIVERSAL_PLANES supported
│ ├───DRM_CLIENT_CAP_ATOMIC not supported
│ ├───DRM_CLIENT_CAP_ASPECT_RATIO supported
│ ├───DRM_CLIENT_CAP_WRITEBACK_CONNECTORS not supported
│ ├───DRM_CAP_DUMB_BUFFER = 1
│ ├───DRM_CAP_VBLANK_HIGH_CRTC = 1
│ ├───DRM_CAP_DUMB_PREFERRED_DEPTH = 24
│ ├───DRM_CAP_DUMB_PREFER_SHADOW = 1
│ ├───DRM_CAP_PRIME = 3
│ ├───DRM_CAP_TIMESTAMP_MONOTONIC = 1
│ ├───DRM_CAP_ASYNC_PAGE_FLIP = 1
│ ├───DRM_CAP_CURSOR_WIDTH = 64
│ ├───DRM_CAP_CURSOR_HEIGHT = 64
│ ├───DRM_CAP_ADDFB2_MODIFIERS = 0
│ ├───DRM_CAP_PAGE_FLIP_TARGET = 1
│ ├───DRM_CAP_CRTC_IN_VBLANK_EVENT = 1
│ ├───DRM_CAP_SYNCOBJ = 0
│ └───DRM_CAP_SYNCOBJ_TIMELINE = 0
├───Device: PCI 1002:6841 Advanced Micro Devices, Inc. [AMD/ATI] Thames [Radeon HD 7550M/7570M/7650M]
│ └───Available nodes: primary, render
├───Framebuffer size
│ ├───Width: [0, 16384]
│ └───Height: [0, 16384]
├───Connectors
│ ├───Connector 0
│ │ ├───Object ID: 54
│ │ ├───Type: LVDS
│ │ ├───Status: connected
│ │ ├───Physical size: 350x190 mm
│ │ ├───Subpixel: horizontal RGB
│ │ ├───Encoders: {0}
│ │ ├───Modes
│ │ │ ├───1600x900@60.03 preferred driver nhsync nvsync
│ │ │ ├───1600x900@40.02 driver nhsync nvsync
│ │ │ ├───1440x900@59.99 nhsync pvsync
│ │ │ ├───1280x854@59.95 nhsync pvsync
│ │ │ ├───1280x800@59.96 nhsync pvsync
│ │ │ ├───1280x720@59.97 nhsync pvsync
│ │ │ ├───1152x768@59.95 nhsync pvsync
│ │ │ ├───1024x768@59.95 nhsync pvsync
│ │ │ ├───800x600@59.96 nhsync pvsync
│ │ │ ├───848x480@59.94 nhsync pvsync
│ │ │ ├───720x480@59.94 nhsync pvsync
│ │ │ └───640x480@59.94 nhsync pvsync
│ │ └───Properties
│ │ ├───"EDID" (immutable): blob = 67
│ │ ├───"DPMS": enum {On, Standby, Suspend, Off} = On
│ │ ├───"link-status": enum {Good, Bad} = Good
│ │ ├───"non-desktop" (immutable): range [0, 1] = 0
│ │ ├───"TILE" (immutable): blob = 0
│ │ └───"scaling mode": enum {None, Full, Center, Full aspect} = Full
│ ├───Connector 1
│ │ ├───Object ID: 56
│ │ ├───Type: DisplayPort
│ │ ├───Status: disconnected
│ │ ├───Encoders: {1}
│ │ └───Properties
│ │ ├───"EDID" (immutable): blob = 0
│ │ ├───"DPMS": enum {On, Standby, Suspend, Off} = Off
│ │ ├───"link-status": enum {Good, Bad} = Good
│ │ ├───"non-desktop" (immutable): range [0, 1] = 0
│ │ ├───"TILE" (immutable): blob = 0
│ │ ├───"coherent": range [0, 1] = 1
│ │ ├───"underscan": enum {off, on, auto} = off
│ │ ├───"underscan hborder": range [0, 128] = 0
│ │ ├───"underscan vborder": range [0, 128] = 0
│ │ ├───"dither": enum {off, on} = off
│ │ ├───"scaling mode": enum {None, Full, Center, Full aspect} = None
│ │ ├───"audio": enum {off, on, auto} = auto
│ │ └───"output_csc": enum {bypass, tvrgb, ycbcr601, ycbcr709} = bypass
│ ├───Connector 2
│ │ ├───Object ID: 58
│ │ ├───Type: DisplayPort
│ │ ├───Status: connected
│ │ ├───Physical size: 600x340 mm
│ │ ├───Subpixel: horizontal RGB
│ │ ├───Encoders: {2}
│ │ ├───Modes
│ │ │ ├───1920x1080@60.00 preferred driver phsync pvsync
│ │ │ ├───1920x1080@60.00 driver phsync pvsync 16:9
│ │ │ ├───1920x1080@59.94 driver phsync pvsync 16:9
│ │ │ ├───1920x1080@60.00 driver phsync pvsync interlace 16:9
│ │ │ ├───1920x1080@59.94 driver phsync pvsync interlace 16:9
│ │ │ ├───1920x1080@50.00 driver phsync pvsync 16:9
│ │ │ ├───1920x1080@50.00 driver phsync pvsync interlace 16:9
│ │ │ ├───1680x1050@59.95 driver nhsync pvsync
│ │ │ ├───1280x1024@60.02 driver phsync pvsync
│ │ │ ├───1440x900@59.89 driver nhsync pvsync
│ │ │ ├───1280x720@60.00 driver phsync pvsync 16:9
│ │ │ ├───1280x720@60.00 driver phsync pvsync
│ │ │ ├───1280x720@59.94 driver phsync pvsync 16:9
│ │ │ ├───1280x720@50.00 driver phsync pvsync 16:9
│ │ │ ├───1024x768@60.00 driver nhsync nvsync
│ │ │ ├───800x600@60.32 driver phsync pvsync
│ │ │ ├───720x576@50.00 driver nhsync nvsync
│ │ │ ├───720x576@50.00 driver nhsync nvsync 4:3
│ │ │ ├───720x576@50.00 driver nhsync nvsync 16:9
│ │ │ ├───720x480@60.00 driver nhsync nvsync 16:9
│ │ │ ├───720x480@60.00 driver nhsync nvsync 4:3
│ │ │ ├───720x480@59.94 driver nhsync nvsync
│ │ │ ├───720x480@59.94 driver nhsync nvsync 4:3
│ │ │ ├───720x480@59.94 driver nhsync nvsync 16:9
│ │ │ ├───640x480@66.67 driver nhsync nvsync
│ │ │ ├───640x480@60.00 driver nhsync nvsync 4:3
│ │ │ ├───640x480@59.94 driver nhsync nvsync 4:3
│ │ │ ├───640x480@59.94 driver nhsync nvsync
│ │ │ └───720x400@70.08 driver nhsync pvsync
│ │ └───Properties
│ │ ├───"EDID" (immutable): blob = 64
│ │ ├───"DPMS": enum {On, Standby, Suspend, Off} = On
│ │ ├───"link-status": enum {Good, Bad} = Good
│ │ ├───"non-desktop" (immutable): range [0, 1] = 0
│ │ ├───"TILE" (immutable): blob = 0
│ │ ├───"coherent": range [0, 1] = 1
│ │ ├───"underscan": enum {off, on, auto} = off
│ │ ├───"underscan hborder": range [0, 128] = 0
│ │ ├───"underscan vborder": range [0, 128] = 0
│ │ ├───"dither": enum {off, on} = off
│ │ ├───"scaling mode": enum {None, Full, Center, Full aspect} = None
│ │ ├───"audio": enum {off, on, auto} = auto
│ │ └───"output_csc": enum {bypass, tvrgb, ycbcr601, ycbcr709} = bypass
│ ├───Connector 3
│ │ ├───Object ID: 60
│ │ ├───Type: DisplayPort
│ │ ├───Status: disconnected
│ │ ├───Encoders: {3}
│ │ └───Properties
│ │ ├───"EDID" (immutable): blob = 0
│ │ ├───"DPMS": enum {On, Standby, Suspend, Off} = Off
│ │ ├───"link-status": enum {Good, Bad} = Good
│ │ ├───"non-desktop" (immutable): range [0, 1] = 0
│ │ ├───"TILE" (immutable): blob = 0
│ │ ├───"coherent": range [0, 1] = 1
│ │ ├───"underscan": enum {off, on, auto} = off
│ │ ├───"underscan hborder": range [0, 128] = 0
│ │ ├───"underscan vborder": range [0, 128] = 0
│ │ ├───"dither": enum {off, on} = off
│ │ ├───"scaling mode": enum {None, Full, Center, Full aspect} = None
│ │ ├───"audio": enum {off, on, auto} = auto
│ │ └───"output_csc": enum {bypass, tvrgb, ycbcr601, ycbcr709} = bypass
│ └───Connector 4
│ ├───Object ID: 62
│ ├───Type: VGA
│ ├───Status: disconnected
│ ├───Encoders: {4}
│ └───Properties
│ ├───"EDID" (immutable): blob = 0
│ ├───"DPMS": enum {On, Standby, Suspend, Off} = Off
│ ├───"link-status": enum {Good, Bad} = Good
│ ├───"non-desktop" (immutable): range [0, 1] = 0
│ ├───"TILE" (immutable): blob = 0
│ ├───"load detection": range [0, 1] = 1
│ ├───"scaling mode": enum {None, Full, Center, Full aspect} = None
│ └───"output_csc": enum {bypass, tvrgb, ycbcr601, ycbcr709} = bypass
├───Encoders
│ ├───Encoder 0
│ │ ├───Object ID: 53
│ │ ├───Type: LVDS
│ │ ├───CRTCS: {0, 1, 2, 3, 4, 5}
│ │ └───Clones: {}
│ ├───Encoder 1
│ │ ├───Object ID: 55
│ │ ├───Type: TMDS
│ │ ├───CRTCS: {0, 1, 2, 3, 4, 5}
│ │ └───Clones: {}
│ ├───Encoder 2
│ │ ├───Object ID: 57
│ │ ├───Type: TMDS
│ │ ├───CRTCS: {0, 1, 2, 3, 4, 5}
│ │ └───Clones: {}
│ ├───Encoder 3
│ │ ├───Object ID: 59
│ │ ├───Type: TMDS
│ │ ├───CRTCS: {0, 1, 2, 3, 4, 5}
│ │ └───Clones: {}
│ └───Encoder 4
│ ├───Object ID: 61
│ ├───Type: TV DAC
│ ├───CRTCS: {0, 1, 2, 3, 4, 5}
│ └───Clones: {}
├───CRTCs
│ ├───CRTC 0
│ │ ├───Object ID: 42
│ │ ├───Mode: 1600x900@60.03 nhsync nvsync
│ │ ├───Gamma size: 256
│ │ └───Properties
│ ├───CRTC 1
│ │ ├───Object ID: 44
│ │ ├───Mode: 1920x1080@60.00 phsync pvsync
│ │ ├───Gamma size: 256
│ │ └───Properties
│ ├───CRTC 2
│ │ ├───Object ID: 46
│ │ ├───Gamma size: 256
│ │ └───Properties
│ ├───CRTC 3
│ │ ├───Object ID: 48
│ │ ├───Gamma size: 256
│ │ └───Properties
│ ├───CRTC 4
│ │ ├───Object ID: 50
│ │ ├───Gamma size: 256
│ │ └───Properties
│ └───CRTC 5
│ ├───Object ID: 52
│ ├───Gamma size: 256
│ └───Properties
└───Planes
├───Plane 0
│ ├───Object ID: 41
│ ├───CRTCs: {0}
│ ├───FB ID: 63
│ │ ├───Object ID: 63
│ │ ├───Size: 3520x1080
│ │ ├───Pitch: 14080
│ │ ├───Bits per pixel: 32
│ │ └───Depth: 24
│ ├───Formats:
│ │ ├───XRGB8888 (0x34325258)
│ │ └───ARGB8888 (0x34325241)
│ └───Properties
│ └───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
├───Plane 1
│ ├───Object ID: 43
│ ├───CRTCs: {1}
│ ├───FB ID: 63
│ │ ├───Object ID: 63
│ │ ├───Size: 3520x1080
│ │ ├───Pitch: 14080
│ │ ├───Bits per pixel: 32
│ │ └───Depth: 24
│ ├───Formats:
│ │ ├───XRGB8888 (0x34325258)
│ │ └───ARGB8888 (0x34325241)
│ └───Properties
│ └───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
├───Plane 2
│ ├───Object ID: 45
│ ├───CRTCs: {2}
│ ├───FB ID: 0
│ ├───Formats:
│ │ ├───XRGB8888 (0x34325258)
│ │ └───ARGB8888 (0x34325241)
│ └───Properties
│ └───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
├───Plane 3
│ ├───Object ID: 47
│ ├───CRTCs: {3}
│ ├───FB ID: 0
│ ├───Formats:
│ │ ├───XRGB8888 (0x34325258)
│ │ └───ARGB8888 (0x34325241)
│ └───Properties
│ └───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
├───Plane 4
│ ├───Object ID: 49
│ ├───CRTCs: {4}
│ ├───FB ID: 0
│ ├───Formats:
│ │ ├───XRGB8888 (0x34325258)
│ │ └───ARGB8888 (0x34325241)
│ └───Properties
│ └───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
└───Plane 5
├───Object ID: 51
├───CRTCs: {5}
├───FB ID: 0
├───Formats:
│ ├───XRGB8888 (0x34325258)
│ └───ARGB8888 (0x34325241)
└───Properties
└───"type" (immutable): enum {Overlay, Primary, Cursor} = Primary
%
Circa 2013 HP EliteBook 8570p, AMD Thames [Radeon HD 7550M/7570M/7650M], FreeBSD 14.0-CURRENT.