[Libreoffice-bugs] [Bug 109335] OpenCL performance degradation

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=109335

--- Comment #16 from Roman Kuznetsov <79045_79045 at mail.ru> ---
It takes result 

2768 in file "Ground water daily" 
21139 in file "Dates worksheet"

in 

Version: 6.2.0.0.alpha1+ (x64)
Build ID: 20b2903354138f8ab19261fab74658fcf6af70e3
CPU threads: 4; OS: Windows 10.0; UI render: GL; VCL: win; 
TinderBox: Win-x86_64 at 42, Branch:master, Time: 2018-11-14_22:57:13
Locale: ru-RU (ru_RU); UI-Language: en-US
Calc: CL

And I disabled multi-threaded calculation

still repro

/cache/OpenCL.log

Device Index: 0
  Selected: false
  Device Name: GeForce GTX 1050
  Device Vendor: NVIDIA Corporation
  Device Version: OpenCL 1.2 CUDA
  Driver Version: 397.93
  Device Type: gpu 
  ...
  Device OpenCL C Version: OpenCL C 1.2 
  Device Available: true
  Device Compiler Available: true
  Device Linker Available: true
  Platform Name: NVIDIA CUDA
  Platform Vendor: NVIDIA Corporation
  Platform Version: OpenCL 1.2 CUDA 9.2.127
  Platform Profile: FULL_PROFILE
  ...

Device Index: 1
  Selected: true
  Device Name: Intel(R) HD Graphics 630
  Device Vendor: Intel(R) Corporation
  Device Version: OpenCL 2.1 
  Driver Version: 22.20.16.4708
  Device Type: gpu 
  ... 
  Device OpenCL C Version: OpenCL C 2.0 
  Device Available: true
  Device Compiler Available: true
  Device Linker Available: true
  Platform Name: Intel(R) OpenCL
  Platform Vendor: Intel(R) Corporation
  Platform Version: OpenCL 2.1 
  Platform Profile: FULL_PROFILE
  ...

Device Index: 2
  Selected: false
  Device Name: Intel(R) Core(TM) i5-7300HQ CPU @ 2.50GHz
  Device Vendor: Intel(R) Corporation
  Device Version: OpenCL 2.1 (Build 10)
  Driver Version: 7.2.0.10
  Device Type: cpu 
  ...
  Device OpenCL C Version: OpenCL C 2.0 
  Device Available: true
  Device Compiler Available: true
  Device Linker Available: true
  Platform Name: Intel(R) OpenCL
  Platform Vendor: Intel(R) Corporation
  Platform Version: OpenCL 2.1 
  Platform Profile: FULL_PROFILE
  ...

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