Install Intel C/C++ Compiler (ICC) 2021.4.0

tags: ORAN, ICC

---

• Install Intel C/C++ Compiler (ICC) 2021.4.0
  • Version
  • Background
  • OneAPI 2021.4.0
    • Install Intel oneAPI Base ToolKit
    • Install Intel oneAPI HPC ToolKit
    • Configure Environment Variable
    • Create iccvar.sh
    • Verify installation

Reference: Issue in installing ICC

---

Version

• For O-DU Emerald version, can use oneapi 2021.4.0
• For O-DU F Version, use 2022.1.0

---

Background

• Compile for CPUs, GPUs, and FPGAs with an LLVM technology-based compiler that enables custom accelerator tuning and supports OpenMP for GPU offload.
• Used to compile O-DU software

---

OneAPI 2021.4.0

Install Intel oneAPI Base ToolKit

1. Go to Intel Download Center
   

   

2. Use command line to download installation script

[oran@localhost ~]$ wget https://registrationcenter-download.intel.com/akdlm/irc_nas/18236/l_BaseKit_p_2021.4.0.3422.sh

3. Execute downloaded script via

[oran@localhost ~]$ sudo sh <script-name>.sh -a --silent --eula accept

For more options, please refer to Installation Guide
4. Wait for a while, and the installation will complete

Install Intel oneAPI HPC ToolKit

1. Go to Intel Download Center
   

   

2. Use command line to download installation script

[oran@localhost ~]$ wget https://registrationcenter-download.intel.com/akdlm/irc_nas/18211/l_HPCKit_p_2021.4.0.3347.sh

3. Execute downloaded script via

[oran@localhost ~]$ sudo sh <script-name>.sh -a --silent --eula accept

For more options, please refer to Installation Guide
4. Wait for a while, and the installation will complete

Configure Environment Variable

1. Open ~/.bashrc
2. Append following environment variable

export INTEL_ONEAPI_ROOT=/opt/intel/oneapi
export PATH=$PATH:$INTEL_ONEAPI_ROOT/compiler/2021.4.0/env:$INTEL_ONEAPI_ROOT/compiler/2021.4.0/linux/bin/intel64

3. After edit is completed, it will be like
   
   

Some environment variables will be set in other sections.
Just focus on the variables we set above.

Create iccvar.sh

• Because we need iccvars.sh in other section and the file in current version is called vars.sh, we copy vars.sh to iccvars.sh.

[oran@localhost ~]$ sudo cp /opt/intel/oneapi/compiler/2021.4.0/env/vars.sh /opt/intel/oneapi/compiler/2021.4.0/env/iccvars.sh

Verify installation

1. Check icc

[oran@localhost ~]$ icc --version
icc (ICC) 2021.4.0 20210910
Copyright (C) 1985-2021 Intel Corporation.  All rights reserved.

2. Check icpc

[oran@localhost ~]$ icpc --version
icpc (ICC) 2021.4.0 20210910
Copyright (C) 1985-2021 Intel Corporation.  All rights reserved.

3. Check iccvars.sh

[oran@localhost ~]$ which iccvars.sh
/opt/intel/oneapi/compiler/2021.4.0/env/iccvars.sh