From 172d580b04bfd347de1adfe535e2f4e38cf732c0 Mon Sep 17 00:00:00 2001
From: "Peter W. Draper" <p.w.draper@durham.ac.uk>
Date: Thu, 27 Apr 2023 17:05:15 +0100
Subject: [PATCH] Update docs
---
README.fakedata.md | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/README.fakedata.md b/README.fakedata.md
index 30a8f12..819dd73 100644
--- a/README.fakedata.md
+++ b/README.fakedata.md
@@ -7,7 +7,7 @@ it generates fake sizes messages and can be scaled to run on any number of MPI
ranks.
```
-Usage: ./swiftmpifakestepsim [options] nr_messages logfile.dat
+Usage: ./swiftmpifakestepsim [vds:rgx:c:o:f:z] nr_messages logfile.dat
options: -v verbose, -d data check, -s size (bytes/scale),
-f <1|2> randomize injection order, 1 == just sends, 2 == sends and recvs
[-r uniform random from 1 to size, |
@@ -15,6 +15,7 @@ Usage: ./swiftmpifakestepsim [options] nr_messages logfile.dat
-r -c <file> use cdf from file, size is a scale factor., |
-r -o <file> use occurence sample of values in a file, size is a scale factor.,]
-x random seed
+ -z output log in standard format, i.e. can be used as input to swiftmpistepsim
```
To use a fixed message size just use `-s`.
@@ -46,5 +47,9 @@ sizes of the packets, this is used to form a cdf:
Other options are useful to make sure that the randoms are different, `-x` and
that they run in different order `-f <1|2>`.
+The output from this program can be used as logs for the standard
+swiftmpistepsim program using -z flag. This drops some new fields.
+
+
Peter W. Draper 24 Apr 2023
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