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성능
블록
MATLAB Function | Include MATLAB code in models that generate embeddable C code |
함수
coder.inline | Control inlining of a specific function in generated code |
coder.unroll | Unroll for -loop by making a copy of
the loop body for each loop iteration |
coder.const | Fold expressions into constants in generated code |
예제 및 방법
- Unroll for-Loops and parfor-Loops
Control loop unrolling.
- Inline Code
Inlining eliminates the overhead of a function call by replacing the function call with the body of the function.
- Avoid Data Copies of Function Inputs in Generated Code
Generate code that passes input arguments by reference.
- Generate Reusable Code
To reuse functions, save them in files or integrate external functions into generated code.
- Control Run-Time Checks
Improve performance by disabling run-time checks.
개념
- LAPACK Calls for Linear Algebra in a MATLAB Function Block
LAPACK function calls improve the simulation speed of MATLAB Function block algorithms that call certain linear algebra functions.
- BLAS Calls for Matrix Operations in a MATLAB Function Block
BLAS function calls improve the simulation speed of MATLAB Function block algorithms that call certain low-level vector and matrix functions.
- FFTW calls for fast Fourier transform functions in a MATLAB Function Block
FFTW function calls improve the simulation speed of MATLAB Function block algorithms that call MATLAB® fast Fourier transform (FFT) functions.