From 8c73dfcc8b7801dcc6a46157ea5bd3aacedcea3f Mon Sep 17 00:00:00 2001
From: Teodor Sigaev <teodor@sigaev.ru>
Date: Mon, 3 Oct 2005 14:41:42 +0000
Subject: [PATCH] Optimize benchmark query and update benchmark's results.
---
contrib/intarray/README.intarray | 22 +++++++++++-----------
contrib/intarray/bench/bench.pl | 4 +++-
2 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/contrib/intarray/README.intarray b/contrib/intarray/README.intarray
index f850deebcea..9c3ecbe2615 100644
--- a/contrib/intarray/README.intarray
+++ b/contrib/intarray/README.intarray
@@ -144,21 +144,21 @@ BENCHMARK:
see availbale options.
a)test without RD-Tree (OR)
- ./bench.pl -d TEST -s 1,2 -v
+ ./bench.pl -d TEST -c -s 1,2 -v
b)test with RD-Tree
- ./bench.pl -d TEST -s 1,2 -v -r
+ ./bench.pl -d TEST -c -s 1,2 -v -r
BENCHMARKS:
Size of table <message>: 200000
-Size of table <message_section_map>: 268538
+Size of table <message_section_map>: 269133
Distribution of messages by sections:
-section 0: 73899 messages
-section 1: 16298 messages
-section 50: 1241 messages
-section 99: 705 messages
+section 0: 74377 messages
+section 1: 16284 messages
+section 50: 1229 messages
+section 99: 683 messages
old - without RD-Tree support,
new - with RD-Tree
@@ -168,11 +168,11 @@ new - with RD-Tree
| +-------+-------+--------+-------+
| | old | new | old | new |
+----------+-------+-------+--------+-------+
-| 1| 1.427| 0.215| -| -|
+| 1| 0.625| 0.101| -| -|
+----------+-------+-------+--------+-------+
-| 99| 1.029| 0.018| -| -|
+| 99| 0.018| 0.017| -| -|
+----------+-------+-------+--------+-------+
-| 1,2| 1.829| 0.334| 5.654| 0.042|
+| 1,2| 0.766| 0.133| 0.628| 0.045|
+----------+-------+-------+--------+-------+
-| 1,2,50,60| 2.057| 0.359| 5.044| 0.007|
+| 1,2,50,65| 0.794| 0.141| 0.030| 0.006|
+----------+-------+-------+--------+-------+
diff --git a/contrib/intarray/bench/bench.pl b/contrib/intarray/bench/bench.pl
index 2e30956721c..66df02dfc11 100755
--- a/contrib/intarray/bench/bench.pl
+++ b/contrib/intarray/bench/bench.pl
@@ -42,7 +42,9 @@ if ( $opt{a} ) {
push @where, "message.sections @ '{$opt{s}}'";
} else {
foreach my $sid ( split(/[,\s]+/, $opt{s} )) {
- push @where, "EXISTS ( select message_section_map.mid from message_section_map where message.mid=message_section_map.mid and message_section_map.sid = $sid )";
+ push @where, "message.mid = msp$sid.mid";
+ push @where, "msp$sid.sid = $sid";
+ $table{"message_section_map msp$sid"}=1;
}
}
} else {
--
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