Apple CHUD 4.0 Final is Out

and available for download via MacUpdate.com. The Computer Hardware Understanding Developer Tools (CHUD Tools) are designed to help hardware and software developers measure and optimize the performance of PowerPC Macintosh systems running their products under MacOS X. We use one of the tools, Skidmarks GT, to measure CPU performance in integer, floating point and vector calculations.

New in CHUD 4.0:

• Shark
-Code browser enhancements: side-by-side assembly and source, translucent selection, self and total counts/time stats.
-Improved profile charting, easier navigation.
-Network profiling of other machines.
-Simultaneous "Tree" and "Heavy" profile views.
-Sophisticated data mining and filtering of profiles.
-Easier to use config editor and PMC configuration.
-Malloc and Function tracing.
-Java profiling (time, alloc and function).
-Greater user configurability.
-Stability and performance improvements.
• Big Top
-Improved interface, additional stats.
• PMC Index
-Added memory controller and operating system PMCs.
-Browse all events matching a substring.
• Cache Basher
-Compare multiple runs side by side, chart results.
-User customizable test range and step size.
• simg5
-Upgraded to latest IBM version (724).

Dual G4 Power Mac owners will be happy to know that the final 4.0 version allows NAP to be disabled in G4 systems while preventing such in G5 systems.