CodeBlocks Setup for Parallel Computing Lab on Windows

Step 1: Install Code::Blocks with MinGW

1. Go to the official Code::Blocks download page:
   👉 https://www.codeblocks.org/downloads/
2. Download this version:
   ✅ codeblocks-25.03mingw-setup.exe
   (This includes MinGW, which is the compiler)
3. Run the installer and complete installation with default options.

Step 2: Install Microsoft MPI (MS-MPI) SDK & mpiSetup

1. Go to the official Microsoft MPI download page:
   👉 https://www.microsoft.com/en-us/download/details.aspx?id=57467
2. Click on downlaod: Choose both file and then click on downlaod button.
3. Run the installer and complete installation with default options (one by one):
   • First install msmpisdk.msi after then install msmpisetup.exe.

Step 3: Config OpenMP and MPI in Code::Blocks (one-time Setup)

1. In Code::Blocks, go to: (Settings → Compiler)

• Now do the following:

➤ Under “Compiler Settings” → “Other Compiler Options”:

Add:

-fopenmp

-fopenmp

➤ Under “Linker Settings” → “Other Linker Options”:

1. First add link Libraries by click on add button as per below screenshot.

• After then click on folder icon to select library as per below screenshot.

• First go to C:\Program Files (x86)\Microsoft SDKs\MPI\Lib\x64, select all files, click Open, then click OK to add them.
• Repeat the same: go to C:\Program Files (x86)\Microsoft SDKs\MPI\Lib\x86, select all files, click Open, then click OK to add them.

2. Then, under Other linker options, add -fopenmp.

➤ Finally under the “Search directories” → “Compiler”:

• Click on add button to select directory.

• After then click on folder icon as per below screenshot.

• Next, go to C:\Program Files (x86)\Microsoft SDKs\MPI\Include, click Select Folder, then click OK to add it.
• Finally click on ok button to save all the compiler configuration.

• restart the Code::Blocks.

Step 4: Create a New Project

1. Open Code::Blocks
2. Go to File → New → Project
3. Select Console Application, then click Go → Next
4. Choose C language → Next
5. Name your project (e.g., MergeSort) and choose a folder where you want to save your program (recomended Desktop)→ Next
6. Select GNU GCC Compiler → Finish.
7. Then, click on Sources, open main.c, delete the default code, and write your own program.