From 7fef832faaeaae51faefb2c984f7f8acb1797ab5 Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Tue, 12 Nov 2024 11:30:23 -0800
Subject: [PATCH] Update documentation

---
 README.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index ff6c6c4..b4a32cc 100644
--- a/README.md
+++ b/README.md
@@ -92,9 +92,16 @@ fpm test --compiler=nagfor --profile release --flag "-coarray=cosmp -fpp -f2018"
 ```
 
 ### Building and testing with the Intel `ifx` compiler
+#### Single-image (serial) execution
+```
+fpm test --compiler ifx --profile release 
 ```
-fpm test --compiler ifx --profile release --flag -coarray
+#### Multi-image (parallel) execution 
+With Intel Fortran and Intel MPI installed,
 ```
+fpm test --compiler ifx --profile release --flag "-coarray -DASSERT_MULTI_IMAGE"
+```
+
 ### Building and testing with the LLVM `flang-new` compiler
 ```
 fpm test --compiler flang-new --flag "-mmlir -allow-assumed-rank -O3"