I want to have X amount of std::vectors of equal size, which I can be processed together in a for loop which goes from start to finish in a linear fashion. For example: for (int i = 0; i <…
I am running a simple benchmarking exercise of 2d array access of reading and writing. I have const int XDim = 1000; and const int YDim = 1000; and create a 1000 x 1000 matrix. In C-style, I initialize using…
I wanted to perform hashing of a stream of input messages in multithreading, so was trying to implement std::vector<std::future<HashData>> futures; but the program aborts from abort.h when debugging in Visual Studio 2019. Code Snippet: std::vector<std::future<HashData>> futures; std::vector<std::string> messages; for (int…
This may be a total obvious error for some, but I can't seem to find out why this segmentation fault happens. I do understand that segmentation faults occur when accessing an address that my program should not access. First, I…
I am currently trying compile my program on CentOS 7, and below error has occurred. It works well with ubuntu 18.04, but it is not works with CentOS 7. db/obj-db.o: In function `std::vector<std::string, std::allocator<std::string> >::_M_range_check(unsigned long) const': /opt/rh/devtoolset-7/root/usr/include/c++/7/bits/stl_vector.h:825: undefined reference…