This is a link to the official manual and documentation related to SQUID.

Intel compiler Intel Fortran Compiler
Intel C/C++ Compiler
intelMPI Intel® MPI Library Developer Guide
Intel® MPI Library Developer Reference
Getting Started with Intel® MPI Library
intelMKL Intel MKL Document
GNU compiler GCC online documentation
OpenMPI Open MPI Documentation
GPU NVIDIA HPC SDK Documentation
SX-Aurora TSUBASA NEC SX-Aurora TSUBASA Documentation
NQSV NEC SX-Aurora TSUBASA Documentation(Table5: NQSV)
NQSV reference
NQSV operation