From 17b5bf54a62d9ad3f1c8cb126b9a348f19e63e9b Mon Sep 17 00:00:00 2001
From: Michael Knobloch <m.knobloch@fz-juelich.de>
Date: Thu, 9 Mar 2017 09:41:15 +0100
Subject: [PATCH] Update JURON.md

---
 JURON.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/JURON.md b/JURON.md
index 380541c..f8d9fc0 100644
--- a/JURON.md
+++ b/JURON.md
@@ -42,3 +42,15 @@ JURON uses LSF as its method of running jobs on the GPU-equipped compute nodes.
 JURON und JURECA both share a common file system (*GPFS*). For working on both machines simultaneously, a dedicated folder for a build on each machine might be helpful.
 
 JURECA offers `$HOME` and `$WORK` for long-term and short-term (but somewhat faster) storage of data. JURON offers both locations as well, but without any difference in connection speed.
+
+## Useful GCC compiler options
+ -Ofast 
+ 
+ -flto -- Enable link-time optimization
+ 
+ -mcpu=power8 -- Set architecture type, register usage, and instruction scheduling parameters for POWER8
+ 
+ -mveclibabi=mass -- Use the MASS vector library for vectorization
+ 
+ 
+ IBM compiler flags for the SPEC CPU benchmarks (P7): https://www.spec.org/cpu2006/results/res2013q3/cpu2006-20130729-26110.txt
\ No newline at end of file
-- 
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