From da8cadea9a0de8541272606c346cfe350f2dcded Mon Sep 17 00:00:00 2001
From: Martin Diehl <m.diehl@mpie.de>
Date: Wed, 12 Jul 2017 12:50:59 +0200
Subject: [PATCH] limiting stack/heap causes ocansionally problems. apparently,
 unlimited will not cause any problems.

---
 env/DAMASK.csh | 14 +++++---------
 env/DAMASK.sh  | 20 +++++++-------------
 env/DAMASK.zsh | 21 +++++++++++----------
 3 files changed, 23 insertions(+), 32 deletions(-)

diff --git a/env/DAMASK.csh b/env/DAMASK.csh
index 819b263ef..bf728c2db 100644
--- a/env/DAMASK.csh
+++ b/env/DAMASK.csh
@@ -26,15 +26,11 @@ if ( "x$DAMASK_NUM_THREADS" == "x" ) then
   set DAMASK_NUM_THREADS=1
 endif
 
-# according to http://software.intel.com/en-us/forums/topic/501500
-# this seems to make sense for the stack size
-if ( `which free` != "free: Command not found." ) then
-  set freeMem=`free -k | grep -E '(Mem|Speicher):' | awk '{print $4;}'`
-  set heap=` expr $freeMem                       / 2`
-  set stack=`expr $freeMem / $DAMASK_NUM_THREADS / 2`
-  # http://superuser.com/questions/220059/what-parameters-has-ulimit             
-  limit datasize  $heap  # maximum  heap size (kB)
-  limit stacksize $stack # maximum stack size (kB)
+# currently, there is no information that unlimited causes problems
+# still,  http://software.intel.com/en-us/forums/topic/501500 suggest to fix it
+# http://superuser.com/questions/220059/what-parameters-has-ulimit             
+limit datasize  unlimited  # maximum  heap size (kB)
+limit stacksize unlimited  # maximum stack size (kB)
 endif
 if ( `limit | grep memoryuse` != "" ) then
   limit memoryuse  unlimited  # maximum physical memory size
diff --git a/env/DAMASK.sh b/env/DAMASK.sh
index 3e9889fec..c0dbe64ef 100644
--- a/env/DAMASK.sh
+++ b/env/DAMASK.sh
@@ -36,19 +36,13 @@ PROCESSING=$(which postResults || true 2>/dev/null)
 
 [ "x$DAMASK_NUM_THREADS" == "x" ] && DAMASK_NUM_THREADS=1
 
-# according to http://software.intel.com/en-us/forums/topic/501500
-# this seems to make sense for the stack size
-FREE=$(type -p free 2>/dev/null)
-if [ "x$FREE" != "x" ]; then
-  freeMem=$(free -k | grep -E '(Mem|Speicher):' | awk '{print $4;}')
-  # http://superuser.com/questions/220059/what-parameters-has-ulimit             
-  ulimit -d unlimited 2>/dev/null \
-  || ulimit -d $(expr $freeMem                       / 2)  2>/dev/null # maximum  heap size (kB)
-  ulimit -s unlimited 2>/dev/null \
-  || ulimit -s $(expr $freeMem / $DAMASK_NUM_THREADS / 2)  2>/dev/null # maximum stack size (kB)
-fi
-ulimit -v unlimited   2>/dev/null # maximum virtual memory size
-ulimit -m unlimited   2>/dev/null # maximum physical memory size
+# currently, there is no information that unlimited causes problems
+# still,  http://software.intel.com/en-us/forums/topic/501500 suggest to fix it
+# http://superuser.com/questions/220059/what-parameters-has-ulimit             
+ulimit -d unlimited 2>/dev/null # maximum  heap size (kB)
+ulimit -s unlimited 2>/dev/null # maximum stack size (kB)
+ulimit -v unlimited 2>/dev/null # maximum virtual memory size
+ulimit -m unlimited 2>/dev/null # maximum physical memory size
 
 # disable output in case of scp
 if [ ! -z "$PS1" ]; then
diff --git a/env/DAMASK.zsh b/env/DAMASK.zsh
index c662e6aee..5f510dabb 100644
--- a/env/DAMASK.zsh
+++ b/env/DAMASK.zsh
@@ -22,20 +22,21 @@ unset -f set
 [ "x$DAMASK_BIN" != "x" ] && PATH=$DAMASK_BIN:$PATH
 
 SOLVER=`which DAMASK_spectral || True 2>/dev/null`
+[ "x$SOLVER" == "x" ] && SOLVER='Not found!'
+
 PROCESSING=`which postResults || True 2>/dev/null`
+[ "x$PROCESSING" == "x" ] && PROCESSING='Not found!'
+
 [ "x$DAMASK_NUM_THREADS" = "x" ] && DAMASK_NUM_THREADS=1
 
 # according to http://software.intel.com/en-us/forums/topic/501500
-# this seems to make sense for the stack size
-if [ "`which free 2>/dev/null`" != "free not found" ]; then
-  freeMem=`free -k | grep -E '(Mem|Speicher):' | awk '{print $4;}'`
-
-  # http://superuser.com/questions/220059/what-parameters-has-ulimit             
-  #ulimit -d `expr $freeMem                       / 2` 2>/dev/null # maximum  heap size (kB)
-  ulimit -s `expr $freeMem / $DAMASK_NUM_THREADS / 2` 2>/dev/null # maximum stack size (kB)
-fi
-ulimit -v unlimited   2>/dev/null # maximum virtual memory size
-ulimit -m unlimited   2>/dev/null # maximum physical memory size
+# currently, there is no information that unlimited causes problems
+# still,  http://software.intel.com/en-us/forums/topic/501500 suggest to fix it
+# http://superuser.com/questions/220059/what-parameters-has-ulimit             
+ulimit -d unlimited 2>/dev/null # maximum  heap size (kB)
+ulimit -s unlimited 2>/dev/null # maximum stack size (kB)
+ulimit -v unlimited 2>/dev/null # maximum virtual memory size
+ulimit -m unlimited 2>/dev/null # maximum physical memory size
 
 # disable output in case of scp
 if [ ! -z "$PS1" ]; then