[Darshan-commits] [Git][darshan/darshan][master] add some DxT perf results from Cong to docs

[Shane Snyder]

Shane Snyder pushed to branch master at darshan / darshan


Commits:
68b374d9 by Shane Snyder at 2017-02-10T17:37:53-06:00
add some DxT perf results from Cong to docs

- - - - -


2 changed files:

- + darshan-runtime/doc/DXT-overhead.pdf
- darshan-runtime/doc/darshan-runtime.txt


Changes:

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darshan-runtime/doc/DXT-overhead.pdf
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Binary files /dev/null and b/darshan-runtime/doc/DXT-overhead.pdf differ


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darshan-runtime/doc/darshan-runtime.txt
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--- a/darshan-runtime/doc/darshan-runtime.txt
+++ b/darshan-runtime/doc/darshan-runtime.txt
@@ -26,11 +26,13 @@ files on Lustre file systems, and a module for instrumenting stdio (i.e., stream
 functions like `fopen()`, `fread()`, etc).
 
 Starting in version 3.1.3, Darshan also allows for full tracing of application I/O
-workloads using the newly developed Darshan eXtended Tracing (DXT) instrumentation
+workloads using the newly developed Darshan eXtended Tracing (DxT) instrumentation
 module. This module can be selectively enabled at runtime to provide high-fidelity
 traces of an application's I/O workload, as opposed to the coarse-grained I/O summary
-data that Darshan has traditionally provided. Currently, DXT only traces at the POSIX
-and MPI-IO layers.
+data that Darshan has traditionally provided. Currently, DxT only traces at the POSIX
+and MPI-IO layers. Initial link:DXT-overhead.pdf[performance results] demonstrate the
+low overhead of DxT tracing, offering comparable performance to Darshan's traditional
+coarse-grained instrumentation methods.
 
 This document provides generic installation instructions, but "recipes" for
 several common HPC systems are provided at the end of the document as well.



View it on GitLab: https://xgitlab.cels.anl.gov/darshan/darshan/commit/68b374d98fffdd456726b60c1044d8a2685ee579
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