From: Bart Van Assche Date: Mon, 10 Mar 2008 20:05:57 +0000 (+0000) Subject: Added information about OpenMP. X-Git-Tag: svn/VALGRIND_3_4_0~912 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=790ded949d551761257b236bbe38b360d7a66e6b;p=thirdparty%2Fvalgrind.git Added information about OpenMP. git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7635 --- diff --git a/exp-drd/docs/README.txt b/exp-drd/docs/README.txt index 50a497aa3e..df826ccb4d 100644 --- a/exp-drd/docs/README.txt +++ b/exp-drd/docs/README.txt @@ -30,10 +30,16 @@ source reading by a human. It takes a huge effort however to detect all possible data races or deadlocks via source reading. This is why tools for detecting data races and deadlocks at runtime are essential. -The de facto standard library for multithreading with the C and C++ -programming languages on Unix systems is the POSIX threads library, -also known as pthreads. The exp-drd tool has been developed for -multithreaded software that uses the POSIX threads library. +There exist parallellizing compilers that give good results for a +certain class of high performance computing (HPC) applications. If you +are not using a parallelizing compiler, you have to specify explicitly +in the source code how your program should use threads. How to specify +this depends on the programming language and the operating system you +are using. The two options on Unix systems are for C and C++ are the +POSIX threads library and OpenMP. OpenMP is best suited for HPC +applications. For other applications, e.g. server or embedded +software, you can use the POSIX threads library directly or a library +that is built on top of it. Data Races @@ -240,14 +246,14 @@ The following may be expected in future versions of DRD: Acknowledgements ---------------- -The exp-drd tool is built on top of the Valgrind core and VEX, which +The DRD tool is built on top of the Valgrind core and VEX, which proved to be an excellent infrastructure for building such a tool. During 2006, the early versions of drd were improved via helpful feedback of Julian Seward and Nicholas Nethercote. Any bugs are my responsibility of course. -Some of the regression tests used to test exp-drd were developed by +Some of the regression tests used to test DRD were developed by Julian Seward as regression tests for the Helgrind tool. I would also like to thank Michiel Ronsse for introducing me a long