Comments (4)
Hi,
Interesting, the OpenCL driver reports gfx803 instead of Fiji. What is the GPU and driver version?
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Also, can you retry now with the latest version of origin/master?
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Hi,
Updated version works much better now
$ ./bench-blas
Devices available:
------------------
[x] - gfx803 on AMD Accelerated Parallel Processing
------------------
BENCH M N K AT BT ISAAC
Deep 1760 16 1760 N N 0.30
Deep 1760 32 1760 N N 0.59
Deep 1760 64 1760 N N 0.70
Deep 1760 128 1760 N N 0.74
Deep 1760 7000 1760 N N 1.27
Deep 2048 16 2048 N N 0.34
Deep 2048 32 2048 N N 0.66
Deep 2048 64 2048 N N 0.80
Deep 2048 128 2048 N N 0.81
Deep 2048 7000 2048 N N 1.02
Deep 2560 16 2560 N N 0.54
Deep 2560 32 2560 N N 0.56
Deep 2560 64 2560 N N 0.62
Deep 2560 128 2560 N N 0.81
Deep 2560 7000 2560 N N 1.09
Deep 1760 16 1760 T N 0.28
Deep 1760 32 1760 T N 0.55
Deep 1760 64 1760 T N 1.01
Deep 1760 128 1760 T N 1.13
Deep 1760 7000 1760 T N 1.58
Deep 2048 16 2048 T N 0.07
Deep 2048 32 2048 T N 0.11
Deep 2048 64 2048 T N 0.38
Deep 2048 128 2048 T N 0.28
Deep 2048 7000 2048 T N 0.50
Deep 2560 16 2560 T N 0.25
Deep 2560 32 2560 T N 0.48
Deep 2560 64 2560 T N 0.53
Deep 2560 128 2560 T N 0.98
Deep 2560 7000 2560 T N 0.83
Deep 1760 7133 1760 N T 0.98
Memory access fault by GPU node-1 on address 0x916cf2000. Reason: Page not present or supervisor privilege.
Aborted (core dumped)
The error I see is not benchmark error I guess. clBLAS tests throw the same error. Probably it's on driver side.
I have RX 480 installed
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Device 67df (rev c7)
I'm also confused by this "gfx803". I use driver from ROCm.
$ uname -r
4.6.0-kfd-compute-rocm-rel-1.4-16
$ /opt/rocm/opencl/bin/x86_64/clinfo
Number of platforms: 1
Platform Profile: FULL_PROFILE
Platform Version: OpenCL 2.0 AMD-APP (2300.5)
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 67df
Device Topology: PCI[ B#1, D#0, F#0 ]
Max compute units: 36
...
Platform ID: 0x7f32f2e9f198
Name: gfx803
Vendor: Advanced Micro Devices, Inc.
Device OpenCL C version: OpenCL C 2.0
Driver version: 1.1 (HSA,LC)
Profile: FULL_PROFILE
Version: OpenCL 1.2
...
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Glad that it solved your problem.
So gfx803 is actually Polaris? The performance is very poor (1.6TFLOPS vs 5.0TFLOPS peak). Is it an R480m or the full desktop version? I get 70-75% of the peak on R9 Fury so that's a little odd.
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