Changes between Version 9 and Version 10 of Public/User_Guide/Information_on_software

Timestamp:

Sep 18, 2019, 1:19:10 PM (5 years ago)

Author:

Jacopo de Amicis

Comment:

Added information on psmpi compiler wrappers.

Public/User_Guide/Information_on_software

@@ -182 +182 @@
 
 
+== Information on compilation with !ParaStation MPI wrappers ==
+
+When compiling software using the !ParaStation MPI compiler wrappers, by default the Intel compiler will be used:
+
+{{{
+$ mpicc --version
+icc (ICC) 19.0.3.199 20190206
+Copyright (C) 1985-2019 Intel Corporation.  All rights reserved.
+}}}
+
+In order to use GCC rather than the Intel compiler, this must be done:
+
+{{{
+$ mpicc -cc=gcc --version
+gcc (GCC) 8.3.0
+Copyright (C) 2018 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+$ MPICH_CC=gcc mpicc --version
+gcc (GCC) 8.3.0
+Copyright (C) 2018 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions.  There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+}}}
+
+
 == Machine Learning Software ==
 
@@ -199 +226 @@
 
 
-== Using the old stack ==
+== Using the old stacks ==
 
 As of July 2019, a new software stack compiled for Skylake is loaded by default on the DEEP-EST system.
@@ -216 +243 @@
 }}}
 
-The very old stack installed before the transition to Easybuild is still available on the system with the command:
+The legacy stack installed before the transition to Easybuild is still available on the system with the command:
 
 `enable_legacy_stack`
@@ -222 +249 @@
 As with the old Easybuild stack, the lines reported above must be included in your batch script to run the `enable_legacy_stack` command in a batch job.
 
-=== Compilers (relevant for legacy stack only!)===
+
+=== Information relative to the legacy stack only ===
+
+==== Compilers ====
 
 There are several compilers available, but as it is highly recommended to use the Intel compiler on the KNC system it might be best to also use it on the DEEP system.\\
@@ -231 +261 @@
 
 
-=== Profiling and analysis tools (relevant for legacy stack only!)===
+==== Profiling and analysis tools ====
 
 * Intel VTune:    module load VTune