eof

5x RX Vega 64 on Ubuntu 16.04 - only 1 card available

Discussion created by eof on Mar 27, 2018

Hello!

I have 5 Radeon Vega RX.

I was installed amdgpu-pro 17.50  using "--opencl=rocm" key.

All card successfully initialized:

$ lspci

01:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1470 (rev c1)

02:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1471

03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 687f (rev c1)

03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf8

04:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1470 (rev c1)

05:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1471

06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 687f (rev c1)

06:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf8

07:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1470 (rev c1)

08:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1471

09:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 687f (rev c1)

09:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf8

0a:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1470 (rev c1)

0b:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1471

0c:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 687f (rev c1)

0c:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf8

0f:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1470 (rev c1)

10:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1471

11:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 687f (rev c1)

11:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf8

But clinfo shows only one card:

$ /opt/amdgpu-pro/bin/clinfo

Number of platforms:                 1

  Platform Profile:                 FULL_PROFILE

  Platform Version:                 OpenCL 2.1 AMD-APP (2527.3)

  Platform Name:                 AMD Accelerated Parallel Processing

  Platform Vendor:                 Advanced Micro Devices, Inc.

  Platform Extensions:                 cl_khr_icd cl_amd_event_callback cl_amd_offline_devices

 

 

  Platform Name:                 AMD Accelerated Parallel Processing

Number of devices:                 1

  Device Type:                     CL_DEVICE_TYPE_GPU

  Vendor ID:                     1002h

  Board name:                     Device 687f

  Device Topology:                 PCI[ B#3, D#0, F#0 ]

  Max compute units:                 64

  Max work items dimensions:             3

    Max work items[0]:                 1024

    Max work items[1]:                 1024

    Max work items[2]:                 1024

  Max work group size:                 256

  Preferred vector width char:             4

  Preferred vector width short:             2

  Preferred vector width int:             1

  Preferred vector width long:             1

  Preferred vector width float:             1

  Preferred vector width double:         1

  Native vector width char:             4

  Native vector width short:             2

  Native vector width int:             1

  Native vector width long:             1

  Native vector width float:             1

  Native vector width double:             1

  Max clock frequency:                 1630Mhz

  Address bits:                     64

  Max memory allocation:             7287183769

  Image support:                 Yes

  Max number of images read arguments:         128

  Max number of images write arguments:         8

  Max image 2D width:                 16384

  Max image 2D height:                 16384

  Max image 3D width:                 2048

  Max image 3D height:                 2048

  Max image 3D depth:                 2048

  Max samplers within kernel:             26751

  Max size of kernel argument:             1024

  Alignment (bits) of base address:         1024

  Minimum alignment (bytes) for any datatype:     128

  Single precision floating point capability

    Denorms:                     No

    Quiet NaNs:                     Yes

    Round to nearest even:             Yes

    Round to zero:                 Yes

    Round to +ve and infinity:             Yes

    IEEE754-2008 fused multiply-add:         Yes

  Cache type:                     Read/Write

  Cache line size:                 64

  Cache size:                     16384

  Global memory size:                 8573157376

  Constant buffer size:                 7287183769

  Max number of constant args:             8

  Local memory type:                 Scratchpad

  Local memory size:                 65536

  Max pipe arguments:                 16

  Max pipe active reservations:             16

  Max pipe packet size:                 2992216473

  Max global variable size:             7287183769

  Max global variable preferred total size:     8573157376

  Max read/write image args:             64

  Max on device events:                 0

  Queue on device max size:             0

  Max on device queues:                 0

  Queue on device preferred size:         0

  SVM capabilities:                

    Coarse grain buffer:             Yes

    Fine grain buffer:                 Yes

    Fine grain system:                 No

    Atomics:                     No

  Preferred platform atomic alignment:         0

  Preferred global atomic alignment:         0

  Preferred local atomic alignment:         0

  Kernel Preferred work group size multiple:     64

  Error correction support:             0

  Unified memory for Host and Device:         0

  Profiling timer resolution:             1

  Device endianess:                 Little

  Available:                     Yes

  Compiler available:                 Yes

  Execution capabilities:                

    Execute OpenCL kernels:             Yes

    Execute native function:             No

  Queue on Host properties:                

    Out-of-Order:                 No

    Profiling :                     Yes

  Queue on Device properties:                

    Out-of-Order:                 No

    Profiling :                     No

  Platform ID:                     0x7f2185bfa4f0

  Name:                         gfx900

  Vendor:                     Advanced Micro Devices, Inc.

  Device OpenCL C version:             OpenCL C 2.0

  Driver version:                 2527.3 (HSA1.1,HSAIL)

  Profile:                     FULL_PROFILE

  Version:                     OpenCL 1.2

  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_media_ops cl_amd_media_ops2 cl_khr_subgroups cl_khr_depth_images cl_amd_liquid_flash cl_amd_copy_buffer_p2p

Whats wrong?

Outcomes