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Date:      Sun, 9 Sep 2018 01:10:24 +0200
From:      CeDeROM <cederom@tlen.pl>
To:        "Steve O'Hara-Smith" <steve@sohara.org>, cpghost@cordula.ws
Cc:        galtsev@kicp.uchicago.edu,  FreeBSD Questions Mailing List <freebsd-questions@freebsd.org>, FreeBSD Stable <freebsd-stable@freebsd.org>, freebsd-x11@freebsd.org
Subject:   Re: FreeBSD OpenCL/CUDA nVidia
Message-ID:  <CAFYkXjmYAGMN8CxXbmoXmyztKoXyLmkHkOi-ZY=ABe0US0-tsA@mail.gmail.com>
In-Reply-To: <CAFYkXjm1ruUdtBeraEHbCTYqi00RRwsipph8C6_xRJ5dfUdvag@mail.gmail.com>
References:  <CAFYkXj=vMHsd6YXTEWhLvH7Xz4L6UwdfrFWqRj0rj4rS7UtE5Q@mail.gmail.com> <CABHD1wTN9gzQbfURNGqsqEv36QYQh60EZvNFzNO4c-X47G_sPw@mail.gmail.com> <CAFYkXjnBWjwUfiOFbqARrX9HNpJRWVEiSsHcC79Yd7Ec75QOBQ@mail.gmail.com> <SN1PR20MB210901AA55C18138EB2206B5800E0@SN1PR20MB2109.namprd20.prod.outlook.com> <CAFYkXjnynmiykYnENt5KDQs%2Bweo=V96na7OVHv5y0FiKAMNb=Q@mail.gmail.com> <f3825f59-e565-133d-7828-15f297c9a437@kicp.uchicago.edu> <CAFYkXjmZcus_eQ4bCfh6qSZaVvDhboej7BCVHQi6R9wtS4QiOg@mail.gmail.com> <20180902114502.e59ab940d98cd43cd6f1ca11@sohara.org> <CAFYkXj=RybhQ4yVXOmUw1vEyBj8HuZgEeJA6paMW3c8Fz0Qbzg@mail.gmail.com> <CAFYkXjm1ruUdtBeraEHbCTYqi00RRwsipph8C6_xRJ5dfUdvag@mail.gmail.com>

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Just to conclude:

NVIDIA SUX - just as most of you stated no support from nVidia to
Open-Source and more interesting OpenCL applications of their GPU -
after almost 15 years of being loyal customer (purchased 5+ cards and
recommended to others) I say GOODBYE NVIDIA WILL NOT RECOMMEND YOU TO
ANYONE ANYMORE!

ATI/AMD RADEON ROX - I have just bought RADEON RX 580 and OpenCL seems
available here - HELLO AMD RADEON - you have just re-gained old
customer I missed your smooth edges and better colors :-)

# clinfo
Number of platforms                               2
  Platform Name                                   Clover
  Platform Vendor                                 Mesa
  Platform Version                                OpenCL 1.1 Mesa 18.1.5
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             cl_khr_icd
  Platform Extensions function suffix             MESA

  Platform Name                                   Portable Computing Language
  Platform Vendor                                 The pocl project
  Platform Version                                OpenCL 2.0 pocl
0.14, LLVM 4.0.1
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             cl_khr_icd
  Platform Extensions function suffix             POCL

  Platform Name                                   Clover
Number of devices                                 1
  Device Name                                     Radeon RX 580 Series
(POLARIS10, DRM 3.8.0, 11.2-RELEASE-p2, LLVM 6.0.1)
  Device Vendor                                   AMD
  Device Vendor ID                                0x1002
  Device Version                                  OpenCL 1.1 Mesa 18.1.5
  Driver Version                                  18.1.5
  Device OpenCL C Version                         OpenCL C 1.1
  Device Type                                     GPU
  Device Profile                                  FULL_PROFILE
  Max compute units                               36
  Max clock frequency                             1366MHz
  Max work item dimensions                        3
  Max work item sizes                             256x256x256
  Max work group size                             256
  Preferred work group size multiple              64
  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                             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
  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
    Correctly-rounded divide and sqrt operations  No
  Address bits                                    64, Little-Endian
  Global memory size                              8552468480 (7.965GiB)
  Error Correction support                        No
  Max memory allocation                           7697221632 (7.169GiB)
  Unified memory for Host and Device              No
  Minimum alignment for any data type             128 bytes
  Alignment of base address                       32768 bits (4096 bytes)
  Global Memory cache type                        None
  Image support                                   No
  Local memory type                               Local
  Local memory size                               32768 (32KiB)
  Max constant buffer size                        2147483647 (2GiB)
  Max number of constant args                     16
  Max size of kernel argument                     1024
  Queue properties
    Out-of-order execution                        No
    Profiling                                     Yes
  Profiling timer resolution                      0ns
  Execution capabilities
    Run OpenCL kernels                            Yes
    Run native kernels                            No
  Device Available                                Yes
  Compiler Available                              Yes
  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_int64_base_atomics
cl_khr_int64_extended_atomics cl_khr_fp64 cl_khr_fp16

  Platform Name                                   Portable Computing Language
Number of devices                                 1
  Device Name                                     AMD Phenom(tm) II X6
1090T Processor
  Device Vendor                                   pocl
  Device Vendor ID                                0x1002
  Device Version                                  OpenCL 2.0 pocl
HSTR: pthread-x86_64-portbld-freebsd11.1-westmere
  Driver Version                                  0.14
  Device OpenCL C Version                         OpenCL C 2.0
  Device Type                                     CPU, Default
  Device Profile                                  FULL_PROFILE
  Max compute units                               6
  Max clock frequency                             3200MHz
  Device Partition                                (core)
    Max number of sub-devices                     6
    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                                                8 / 8
    int                                                  4 / 4
    long                                                 2 / 2
    half                                                 8 / 8        (n/a)
    float                                                4 / 4
    double                                               2 / 2
(cl_khr_fp64)
  Half-precision Floating-point support           (n/a)
  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                                     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
  Address bits                                    64, Little-Endian
  Global memory size                              19033886720 (17.73GiB)
  Error Correction support                        No
  Max memory allocation                           19033886720 (17.73GiB)
  Unified memory for Host and Device              Yes
  Shared Virtual Memory (SVM) capabilities        (core)
    Coarse-grained buffer sharing                 Yes
    Fine-grained buffer sharing                   Yes
    Fine-grained system sharing                   No
    Atomics                                       Yes
  Minimum alignment for any data type             128 bytes
  Alignment of base address                       1024 bits (128 bytes)
  Preferred alignment for atomics
    SVM                                           0 bytes
    Global                                        0 bytes
    Local                                         0 bytes
  Max size for global variable                    0
  Preferred total size of global vars             0
  Global Memory cache type                        Read/Write
  Global Memory cache size                        65536
  Global Memory cache line                        64 bytes
  Image support                                   Yes
    Max number of samplers per kernel             16
    Max size for 1D images from buffer            1189617920 pixels
    Max 1D or 2D image array size                 2048 images
    Max 2D image size                             32768x32768 pixels
    Max 3D image size                             2048x2048x2048 pixels
    Max number of read image args                 128
    Max number of write image args                128
    Max number of read/write image args           128
  Max number of pipe args                         16
  Max active pipe reservations                    1
  Max pipe packet size                            1024
  Local memory type                               Global
  Local memory size                               19033886720 (17.73GiB)
  Max constant buffer size                        19033886720 (17.73GiB)
  Max number of constant args                     8
  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                                16384 (16KiB)
    Max size                                      262144 (256KiB)
  Max queues on device                            1
  Max events on device                            1024
  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 Available                                Yes
  Compiler Available                              Yes
  Linker Available                                Yes
  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_spir cl_khr_int64
cl_khr_fp64 cl_khr_int64_base_atomics cl_khr_int64_extended_atomics

NULL platform behavior
  clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...)  Clover
  clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...)   Success [MESA]
  clCreateContext(NULL, ...) [default]            Success [MESA]
  clCreateContext(NULL, ...) [other]              Success [POCL]
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU)  No devices found
in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU)  Success (1)
    Platform Name                                 Clover
    Device Name                                   Radeon RX 580 Series
(POLARIS10, DRM 3.8.0, 11.2-RELEASE-p2, LLVM 6.0.1)
  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                                 Clover
    Device Name                                   Radeon RX 580 Series
(POLARIS10, DRM 3.8.0, 11.2-RELEASE-p2, LLVM 6.0.1)

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 2.1 only.
Segmentation fault (core dumped) <--- ;-)

Except DRM and AMDGPU firmware it still needs some more tweaking, but
this is clearly a proof of hardware vendor support for Open-Source
Community :-)

"It's not Open-Source if not runs on FreeBSD"^TM :-)

Thank you folks! :-)
Tomek

-- 
CeDeROM, SQ7MHZ, http://www.tomek.cedro.info



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