GPU parallel programming C/C++ [closed] - parallel-processing

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I want to learn gpu parallel programming in C/C++. What Library and compiler should I use. If they are opensource, that would be nice.
note: I have some practice with openmp and mpi. Though it is only for cpu parallel programming.

I depends on you GPU.
OpenCL
It is open source and works on Nvidia and AMD cards.
https://www.khronos.org/opencl/
CUDA
Propriety NVidia solution for parallel programming. Optimized for their cards.
http://www.nvidia.com/object/cuda_home_new.html

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OpenGL: Simulating GPU activity on the CPU [closed]

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OpenGL is fine, but much of its operation is on the GPU, where debuggers like gdb have no access. So if something unexpected happens with my OpenGL calls, it's difficult to chase down the bug.
I can see two possible ways around this:
Maybe there's a debugger with access to the GPU.
Maybe someone has written code to simulate GPU activity on the CPU, which would much easier to debug.
Does anyone have knowledge which can help out here?

A good compilation speed profiling tool on Linux? [closed]

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I was looking at this VScode plugin https://marketplace.visualstudio.com/items?itemName=RamonViladomat.CompileScore2022 to profile C++ compilation speed with clang or MSVC but I then realized it was only compatible with Windows...
Is there a good equivalent on Linux ?
I know I can profile code with g++ -ftime-report but it doesn't do exactly what I want. I'm looking for a tool able to display the bottlenecks in my code.

Which HDL (hardware description language) Tesla is using to program the chips for their cars? [closed]

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I am learning VHDL at a university in Vivado and heard that in America there are using Verilog. So I wonder, which Hardware description language is using Tesla for programming it's chips?
You can try to find what kind of workers they are looking for in Tesla. Five minute search in google tells that they hire both VHDL and Verilog engineers.

OpenGL + SFML or SDL? [closed]

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Hey so i've just started SDL like a day ago, as i am planning on eventually stepping into OpenGL, but recently looked into SFML which is apparently more modern and easy. I have not heard anything or seen any books on it SFML, and i've heard people say OpenGL+ SDL is really good. Is this also true for using SFML with OpenGL?
If you are programming in C++, use SFML. It will allow you to really use C++ features. If you are programming in C you should probably use SDL. They are similar in performance and functionality but SDL supports more platforms and is more popular.

What are the best free Scheme implementations that you know about on Windows? [closed]

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When I wrote best I meant:
Speed,
Have an IDE, a debugger,
Compiling to machine code or some other language,
Quality of implementation and,
Completeness.
On Windows, I recommend PLT Scheme which includes the DrScheme programming environment.

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