diff options
Diffstat (limited to 'docs/ProgrammersManual.html')
| -rw-r--r-- | docs/ProgrammersManual.html | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/docs/ProgrammersManual.html b/docs/ProgrammersManual.html index 266c033bb4..4460224c1a 100644 --- a/docs/ProgrammersManual.html +++ b/docs/ProgrammersManual.html @@ -1582,12 +1582,13 @@ elements out of (linear time), unless you use it's "pop_back" method, which is faster. </p> -<p>SetVector is an adapter class that defaults to using std::vector and std::set -for the underlying containers, so it is quite expensive. However, -<tt>"llvm/ADT/SetVector.h"</tt> also provides a SmallSetVector class, which -defaults to using a SmallVector and SmallSet of a specified size. If you use -this, and if your sets are dynamically smaller than N, you will save a lot of -heap traffic.</p> +<p><tt>SetVector</tt> is an adapter class that defaults to + using <tt>std::vector</tt> and a size 16 <tt>SmallSet</tt> for the underlying + containers, so it is quite expensive. However, + <tt>"llvm/ADT/SetVector.h"</tt> also provides a <tt>SmallSetVector</tt> + class, which defaults to using a <tt>SmallVector</tt> and <tt>SmallSet</tt> + of a specified size. If you use this, and if your sets are dynamically + smaller than <tt>N</tt>, you will save a lot of heap traffic.</p> </div> |