From 69fa0d18197340c2879a0e125809e077dde19e1a Mon Sep 17 00:00:00 2001
From: Michael Dvorkin <mike@dvorkin.net>
Date: Fri, 9 Aug 2013 22:08:14 -0700
Subject: [PATCH] Optimized sorter initialization

---
 layout.go | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/layout.go b/layout.go
index a0edf6e..7fb6da0 100644
--- a/layout.go
+++ b/layout.go
@@ -25,6 +25,7 @@ type Column struct {
 
 type Layout struct {
 	columns          []Column
+	sorter           *Sorter
 	regex            *regexp.Regexp
 	market_template  *template.Template
 	quotes_template  *template.Template
@@ -134,10 +135,13 @@ func (self *Layout) prettify(quotes *Quotes) []Stock {
 	}
 
 	profile := quotes.profile
-	new(Sorter).Initialize(profile).SortByCurrentColumn(pretty)
+	if self.sorter == nil { // Initialize sorter on first invocation.
+		self.sorter = new(Sorter).Initialize(profile)
+	}
+	self.sorter.SortByCurrentColumn(pretty)
 	//
 	// Group stocks by advancing/declining unless sorted by Chanage or Change%
-	// in which case the grouping is done already.
+	// in which case the grouping has been done already.
 	//
 	if profile.Grouped && (profile.SortColumn < 2 || profile.SortColumn > 3) {
 		pretty = group(pretty)