PSBLAS
User’s and Reference Guide
A reference guide for the Parallel Sparse BLAS library
by Salvatore Filippone
Alfredo Buttari
Fabio Durastante
Software version: 3.9.0
December 23rd, 2025

Contents
Preface
Preface
1 Introduction
2 General overview
3 Data Structures and Classes
4 Computational routines
5 Communication routines
6 Data management routines
7 Parallel environment routines
8 Error handling
9 Utilities
10 Preconditioner routines
11 Iterative Methods
12 Extensions
13 CUDA Environment Routines
References