SiSoftware Technical Support - Benchmarking & Results

No Reference Benchmark Results (Empty List)

Please enable the Ranker to automatically download reference/aggregate results. No reference results are included with the software. Click the Options button on the toolbar, then Customize Rank Engine...

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How do I turn off chart animation?

By default charts (bars, graphs, etc.) animate as there is more information to be displayed than space on small screens; by cycling we can display more information. You can turn it off by clickin...

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GPGPU / Graphics (OpenCL, CUDA, DirectX CS, Vulkan, etc.) support

In order to run the graphics (GPGPU) modules and benchmarks, your system must meet the hardware and software requirements: Sandra: Sandra Platinum/2017, Titanium/2018 and later: support OpenCL 2.x, Di...

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GFX / Video (OpenGL, DirectX, Vulkan, etc) support

In order to run the video (graphics) modules and benchmarks, your system must meet the hardware and software requirements: For ALL operating systems - you need the latest DirectX. Download DirectX End...

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DirectX Compute Shader/DirectCompute

While it should be easier to get DirectX ComputeShader working than OpenCL in Windows, as it is part of DirectX, it may actually be more complicated: Windows 10, 8.1, 8 and 7 are set. Windows Vista re...

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How to enable large/huge memory pages in Windows

Under Windows, huge pages (1GB) are not supported - yet! To use large pages (2-4MB) pages you specifically need to give your user the "lock pages in memory" privilege using Local Security Policy. Note...

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Cannot run Write Hard Disk Benchmark

The Physical Disk benchmark accesses the disk directly thus is partition/volume/file system independent. As the writing (like the reading) is done at various positions on the disk (some random) i...

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OpenCL and Compute Shader on ATI/AMD GPUs in Sandra

ATI/AMD has put together a KB article on the steps required to get this working: KB75 - Tips and suggestions for running SiSoftware Sandra 201X OpenCL GPGPU benchmarks with AMD/ATI Stream SDK v2.0 You...

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Media Transcode Benchmark and hardware acceleration

This benchmark requires Windows 7 (and later) as it contains Media Foundation transcode (MFT) support. Unfortunately older versions of Windows do not contain API that allows 3-rd party software to use...

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AVX, AVX2/FMA, AVX512, etc. SIMD benchmarks do not run!

Operating System support is required to save/restore extended SIMD state - and thus use these SIMD instruction sets AVX, AVX2/FMA, AVX512*, etc. You need Windows 7 SP1/Server 2008 R2 SP1 or later to p...

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How do I share my scores (benchmark results) with other people?

There are many ways to do this: Enable Ranking and create an account. Submit your results by benchmarking your computer and then ask your friends to search for your results through "Database To...

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What compiler(s) and optimisations are used by the Sandra Benchmarks?

* All Sandra versions only use the Visual Studio standard compilers and the public MASM, YASM and NASM assemblers (as published online). We use blended optimisation optimised for speed (O2). We do not...

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Running Tests and Benchmarks on Remote Computers

Please see this detailed article on how to configure Sandra on remote computer and how to connect to it: http://www.sisoftware.co.uk/?d=qa&f=remote

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Hyper-V and AVX, AVX2/FMA, AVX512, etc. instruction sets

Some versions of Hyper-V may not enable OSXSAVE to save/restore the new CPU state supporting 256-bit (or wider) registers. Thus, AVX, AVX2/FMA or AVX512 (and later) instruction sets cannot be used. On...

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AVX, AVX2/FMA, AVX512, etc. need OS & VM / Hypervisor support

Note that an operating system (OS) needs to support the new extended CPU state (OS-XSAVE) to allow software to use new instruction sets like AVX, AVX2/FMA, AVX512*, etc.Windows 7, 8.x, 10.x or later, ...

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Do Sandra's Financial, Scientific CPU benchmarks use any 3-rd party libraries?

No, no proprietary libraries (e.g. Intel MKL, FFTW, etc.) are used nor included/required. Why? This way we have full control over the implementation, optimisations and all code paths (i.e. SSE2/AVX/FM...

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