From: bdemsky <bdemsky>
Date: Wed, 8 Apr 2009 18:27:11 +0000 (+0000)
Subject: change
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9ac743748f215a54ce81ed7bda38172d152fdb95;p=IRC.git

change
---

diff --git a/Robust/src/Runtime/DSTM/interface/STMIDEAS b/Robust/src/Runtime/DSTM/interface/STMIDEAS
index da46da17..ef697e9b 100644
--- a/Robust/src/Runtime/DSTM/interface/STMIDEAS
+++ b/Robust/src/Runtime/DSTM/interface/STMIDEAS
@@ -9,4 +9,11 @@ reads of these objects in place.
 
 4) Immutable object optimizations...For immutable objects such as
 Strings/Integers/Doubles/Float objects, don't even copy, just elide
-TRANSREAD call.
\ No newline at end of file
+TRANSREAD call.
+
+5) Eliminate read locks in the transaction commit process.  The idea
+is to first acquire all the write locks, then go through the read
+array.  For each object in the read array we check: (1) that the
+version numbers match and (2) that it hasn't been write locked.  The
+serialization point for a transaction is when all write locks have
+been acquired but before any reads have been checked.
\ No newline at end of file