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Difference between global and device functions

... __global__ - Runs on the GPU, called from the CPU or the GPU*. Executed with <<<dim3>>> arguments. __device__ - Runs on the GPU, called from the GPU. Can be used with variabiles too. __host__ - Runs on the CPU, called from the CPU. *) __global__ funct...
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How does one write code that best utilizes the CPU cache to improve performance?

... The cache is there to reduce the number of times the CPU would stall waiting for a memory request to be fulfilled (avoiding the memory latency), and as a second effect, possibly to reduce the overall amount of data that needs to be transfered (preserving memory bandwidth). Tec...
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How do cache lines work?

... the byte or word you're loading is not already present in the cache, your CPU will request the 64 bytes that begin at the cache line boundary (the largest address below the one you need that is multiple of 64). Modern PC memory modules transfer 64 bits (8 bytes) at a time, in a burst of eight tran...
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How to determine why visual studio might be skipping projects when building a solution

... configured for "Mixed Platforms" while the solution was set to build "Any CPU". *When this problem happened to me, The main project only had 'Any CPU' and it set the child dll to 'any CPU' too, however, I'd deleted that profile and left only 'x86'. Picking x86 for just the dll make it start worki...
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How to calculate a time difference in C++

... clock() returns the CPU time consumed by the program. So if the program is run in parallel the time returned by the function would be the accumulated of the time spent on all CPUs, rather than the time elapsed cplusplus.com/reference/ctime/cloc...
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How are 3D games so efficient? [closed]

...ve never understood. How can a great big PC game like GTA IV use 50% of my CPU and run at 60fps while a DX demo of a rotating Teapot @ 60fps uses a whopping 30% ? ...
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解决:CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术

解决:CTreeCtrl控件SetCheck无效的问题解决方法:SetCheck之前或OnInitDialog中添加如下两句代码m_tree.ModifyStyle( TVS_CHECKBOXES, 0 );m_tree.ModifyStyle( 0, TVS_CHEC...解决方法:SetCheck之前或OnInitDialog中添加如下两句代码 m_tree.ModifyStyle( TVS_CHECKBOXES,...
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What happens when a computer program runs?

...n also be loaded from elsewhere in memory or other places depending on the CPU instructions that are actually executed). They are essentially just very small, very fast on-chip memory locations that are used for a number of different purposes. Register layout is highly dependent on the architectur...
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How does BLAS get such extreme performance?

...se fixed-size small-dimension operations (called kernels) are hardcoded in CPU-specific assembly code using several CPU features of their target: SIMD-style instructions Instruction Level Parallelism Cache-awareness Furthermore these kernels can be executed in parallel with respect to each other...
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How to scale threads according to CPU cores?

...so I will have a look at this. And it can be scaled according to available cpu cores? Because I can't see that in you short examples. Best regards, Andreas – Andreas Hornig Dec 30 '09 at 16:10 ...