Mention preferred platform is 64bit

diff --git a/INSTALL b/INSTALL
index 1999a7a..349b7df 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -18,6 +18,12 @@ location:
 Installation
 ============
 
+## General considerations
+
+Libaec achieves the best performance on 64 bit systems. The library
+will work correctly on 32 bit systems but encoding and decoding
+performance will be much lower.
+
 ## Installation from source code release with configure
 
 The most common installation procedure on Unix-like systems looks as