matrix transpose | all about vlsi

Matrix Transpose

We are tired of looking at same old schooled decoders and encoders. Though they are very important, practicing variety of problems improves thought process.

Hence, today we will try to write a program for Transpose of matrix.

This program can be further extended to all matrix operations also.

Verilog code for the matrix transpose:

Also find code at: https://edaplayground.com/x/wvGY

In this code, a module named MatrixTranspose is defined, which takes an 8-bit input matrix (in_matrix) and produces an 8-bit transposed matrix (out_matrix). The matrix transpose operation is performed using a nested for loop, where each element of the input matrix is assigned to the corresponding position in the transposed matrix. The transposed matrix is stored in the temp array, and then assigned to the out_matrix output.

Note that this code assumes a 4x4 matrix (4 rows and 4 columns) with 8-bit elements. You can modify the code accordingly if you have a different matrix size or element width.

More than writing this code, verifying this code with a verilog testbench is a lot fun:

In this testbench code, the MatrixTranspose module is instantiated (dut) and connected to the testbench signals (in_matrix and out_matrix). The input matrix is initialized with values, and then displayed using $display statements. After a delay of 10 time units (#10), the output matrix is displayed. Finally, the output matrix is compared with the expected transposed matrix using assert statements to verify the correctness of the module. If all the assertions pass, a success message is displayed.

Code can be found at: https://edaplayground.com/x/wvGY