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Diffstat (limited to 'www/performance-2008-10-31.html')
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1 files changed, 9 insertions, 11 deletions
diff --git a/www/performance-2008-10-31.html b/www/performance-2008-10-31.html index 5246ac30b8576..b2876670d3b1f 100644 --- a/www/performance-2008-10-31.html +++ b/www/performance-2008-10-31.html @@ -2,10 +2,10 @@ "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> - <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" /> + <META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Clang - Performance</title> - <link type="text/css" rel="stylesheet" href="menu.css" /> - <link type="text/css" rel="stylesheet" href="content.css" /> + <link type="text/css" rel="stylesheet" href="menu.css"> + <link type="text/css" rel="stylesheet" href="content.css"> <style type="text/css"> </style> </head> @@ -20,7 +20,7 @@ <!--*************************************************************************--> <p>This page tracks the compile time performance of Clang on two -interesting benchmarks: +interesting benchmarks:</p> <ul> <li><i>Sketch</i>: The Objective-C example application shipped on Mac OS X as part of Xcode. <i>Sketch</i> is indicative of a @@ -37,7 +37,6 @@ interesting benchmarks: dependencies. This stresses the back-end's performance on generating assembly code and debug information.</li> </ul> -</p> <!--*************************************************************************--> <h2><a name="enduser">Experiments</a></h2> @@ -46,7 +45,7 @@ interesting benchmarks: <p>Measurements are done by serially processing each file in the respective benchmark, using Clang, gcc, and llvm-gcc as compilers. In order to track the performance of various subsystems the timings have -been broken down into separate stages where possible: +been broken down into separate stages where possible:</p> <ul> <li><tt>-Eonly</tt>: This option runs the preprocessor but does not @@ -65,7 +64,6 @@ been broken down into separate stages where possible: <li><tt>-S -O0 -g</tt>: This adds emission of debug information to the assembly output.</li> </ul> -</p> <p>This set of stages is chosen to be approximately additive, that is each subsequent stage simply adds some additional processing. The @@ -94,9 +92,9 @@ compile time here.</p> <h3><a name="2008-10-31">2008-10-31</a></h3> <!--=======================================================================--> -<center><h4>Sketch</h4></center> +<h4 style="text-align:center">Sketch</h4> <img class="img_slide" - src="timing-data/2008-10-31/sketch.png" alt="Sketch Timings"/> + src="timing-data/2008-10-31/sketch.png" alt="Sketch Timings"> <p>This shows Clang's substantial performance improvements in preprocessing and semantic analysis; over 90% faster on @@ -112,9 +110,9 @@ with PCH; about 4x in wall time. Unfortunately, Clang does not yet have an implementation of PCH-style optimizations, but we are actively working to address this.</p> -<center><h4>176.gcc</h4></center> +<h4 style="text-align:center">176.gcc</h4> <img class="img_slide" - src="timing-data/2008-10-31/176.gcc.png" alt="176.gcc Timings"/> + src="timing-data/2008-10-31/176.gcc.png" alt="176.gcc Timings"> <p>Unlike the <i>Sketch</i> timings, compilation of <i>176.gcc</i> involves a large amount of code generation. The time spent in Clang's |