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add_executable(linear-algebra-unoptimized linear-algebra.cpp) target_link_libraries(linear-algebra-unoptimized PRIVATE Eigen3::Eigen ) 此外,我们还定义了一个优化版本: 代码语言:javascript 复制 add_executable(linear-algebra linear-algebra.cpp) target_compile_options(linear-algebra PRIVATE ${_CXX_FLAGS} )...
For matrices, RCUMSUM(X) is a matrix the same size as X containing the cumulative restarted sums over each column. For N-D arrays, RCUMSUM(X) operates along the first non-singleton dimension. RCUMSUM(X,DIM) works along the dimension DIM. Also included is RCUMPROD. For bug reports, ...
Also provides some supporting functions and structures for concurrent and lockfree programming. LGPL-3.0-only liburcu - Data synchronization library, which scales linearly with the number of cores. LGPL-2.1-or-later mill - Go-style concurrency. MIT oclkit - Two-file OpenCL wrapper. GPL-3.0-or...
Includes: vectors, matrices, complex numbers, quaternions and polynomials. Arithmosophi - A set of protocols for Arithmetic and Logical operations. Surge - A Swift library that uses the Accelerate framework to provide high-performance functions for matrix math, digital signal processing, and image ...
Here, each of the N threads that execute VecAdd() performs one pair-wise addition【两两相加】. 2.2. Thread Hierarchy【线程层次结构】 For convenience, threadIdx is a 3-component vector【三分量向量】, so that threads can be identified using a one-dimensional, two-dimensional, or three-di...
As an example, the following code adds two matrices A and B of size NxN and stores the result into matrix C: // Kernel definition __global__ void MatAdd(float A[N][N], float B[N][N], float C[N][N]) { int i = threadIdx.x; int j = threadIdx.y; C[i][j] = A[i]...
Suppose you want to calculateA−1b. What you should actually do is solve the linear equationsA x = bforx. This will be not only faster but also more computationally stable. Suppose you want to calculateA−1B, where nowAand B are both matrices. What you should actually do is still...
in speed. This has two side-effects users might notice: First, it is sometimes not possible to break the program's execution. While this is already true for at least some parts of most Stata commands, there are fewer opportunities to break Gtools commands relative to their Stata counterparts...