From a6b99b698704653608b569481609e8cbca7881bf Mon Sep 17 00:00:00 2001 From: Louwrentius Date: Mon, 9 Mar 2009 20:53:15 +0000 Subject: [PATCH] Edited wiki page through web user interface. --- wiki/Manual.wiki | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) diff --git a/wiki/Manual.wiki b/wiki/Manual.wiki index ea9cc91..82efb0c 100644 --- a/wiki/Manual.wiki +++ b/wiki/Manual.wiki @@ -9,8 +9,9 @@ This page discusses the usage of PPSS on a single host. Examples show how PPSS i The following output is displayed by PPSS when executed without any options: -{{{ -Distributed Parallel Processing Shell Script +{{{ + +'Distributed Parallel Processing Shell Script Version: 2.0 PPSS is a Bash shell script that executes commands in parallel on a set @@ -54,7 +55,7 @@ Options are: --log | -l Sets the name of the log file. The default is ppss-log.txt. --processes | -p Start the specified number of processes. Ignore the number of available - CPU's. + CPUs. The following options are used for distributed execution of PPSS. @@ -95,7 +96,7 @@ Running PPSS based on a configuration file. Running PPSS on a client as part of a cluster. -./ppss.sh node -d /somedir -c 'cp /some/destination' -s 10.0.0.50 -u ppss -t -k ppss-key.key +./ppss.sh node -d /somedir -c 'cp /some/destination' -s 10.0.0.50 -u ppss -t -k ppss-key.key' }}} A detailed explanation based on examples will follow. @@ -139,11 +140,19 @@ In this example, a list of URLs is provided by the file list.txt. These urls are == Advanced command line options == -*must be expanded* +In this paragraph, some additional options are discussed. - * -p - * -j - * -l +* -p * + +This option allows you to specify how many parallel proceses should be started. Thus, automatic detection of CPUs and cores is overruled. This is useful, for example, when downloading a bunch of files in parallel, or other tasks that are not bound by the number of available CPUs. + +* -j * + +If a CPU is found that supports hyper threading, the additional cores are used. For example, an Intel Core 7i quad-core processor supports HT, thus has effectively 8 cores. When HT is enabled, not 4 but 8 parallel jobs are started. + +* -l * + +This option allows you to specify a custom name for the log file that is used by PPSS itself. == Logging (must read) ==