Readme and Release notes for release 6.3.0.1 Engineering and Scientific Subroutine Library
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09/17/2021


Installing an ESSL update on Linux
---------------------------------
If you want to upgrade an existing install of ESSL 6.3.0:
    1) Copy the tar file to a directory with write access and change to that
       directory
           cd < tarDirectory >
    2) Extract the files and executable from the tar file with the following
       command:
           tar -xzvf ESSL-6.3.0.1-ppc64LE-Linux.tar.gz
    3) Issue RPM commands for the RPMs you wish to upgrade
           rpm -Uvh essl.3264.rte-6.3.0-1.ppc64le.rpm
           rpm -Uvh essl.3264.rtecuda-6.3.0-1.ppc64le.rpm
           rpm -Uvh essl.6464.rte-6.3.0-1.ppc64le.rpm

If you want to install ESSL 6.3.0 including this upgrade using automatic license
acceptance:
    1) Copy the tar file to a directory with write access and change to that
       directory
           cd < tarDirectory >
    2) Extract the files and executable from the tar file with the following
       command:
           tar -xzvf ESSL-6.3.0.1-ppc64LE-Linux.tar.gz
    3) Copy the RPMs to the directory which contains all the ESSL 6.3.0 RPMs that
       you wish to install. See "Determining which product RPMs to install"
       section of the ESSL for Linux on POWER, Version 6 Release 3 Installation
       Guide for information on which RPMs are required and which are optional
    4) cd to the directory with the RPMs
    5) export IBM_ESSL_LICENSE_ACCEPT=yes
    6) rpm -Uvh essl*6.3.0-*.rpm

Package Content
---------------
1) ESSL-6.3.0.1-ppc64LE-Linux.tar.gz


APAR changes included
---------------------
PH40102 = Potential undetected data corruption using the ESSL single threaded
          libraries SZAXPY subroutine on Power9