[ Please direct any replies to jfoug@kdsi.net ]
The Win32 GUI version of Rob's ECDL search engine has been released
to Robert, and should appear on the INRIA site soon. This version
(1.1.3b) shows a 3 to 4% increase in speed over the 1.1.3 version
on PentiumII chips. 1.1.3b fixes several usability / GUI problems
with the 1.1.3 version, thanks to input from numerous people using
that version.
Major changes / fixes in the 1.1.3b version:
- Auto loading with the INI file now works.
- "AutoStart" adds a registry entry to start the app when the PC starts
- Make sure of the correct working subdir when starting from registry.
- additional 3 to 4% speed increase on PentiumII (minimal on PentiumMMX)
- Priority increase during "Screen-Saver" is NOT default behavior any
more. Increasing the priority during screen savers can have a VERY
negative impact on servers (it is Great for stand alone PC's)
- less flicker when "AutoStart" in "Stealth" mode.
- many numerous little things fixed.
Speed results on my personal machines:
+-----------------------+--------------------------+
| PII 400mhz Win98 | Cygwin 116.0K |
| | WinGUI 1.1.3 132.2K |
| | WinGUI 1.1.3b 136.5K |
+-----------------------+--------------------------+
| PII 300mhz Win98 | Cygwin 87.2K |
| Laptop | WinGUI 1.1.3 100.2K |
| | WinGUI 1.1.3b 103.7K |
+-----------------------+--------------------------+
| PII 300mhz WinNT | Cygwin 89.1K |
| | WinGUI 1.1.3 100.8K |
| | WinGUI 1.1.3b 104.3K |
+-----------------------+--------------------------+
| Celeron 433mhz Win98 | WinGUI 1.1.3 143.5K |
+-----------------------+--------------------------+
Note the speed increase from 1.1.3 to 1.1.3b is not there for Pentium MMX
chips. The speed increase was from some loop unrolling, and it appears that
chips earlier than the PII do not have a large enough instruction cache to
benefit from the addition inlining. The older MMX chips are not slowed
down, they just don't see the performance gain. I also have not been able
to test on Celeron, PIII or non Intel chips. I expect both the Celeron and
PIII to see nice gains over the 1.1.3 version. I have no idea about the
other CPU's since I can not profile using them. Some may benefit, some
may not.
Jim Fougeron.
This archive was generated by hypermail 2b29 : Wed Jan 19 2000 - 01:14:39 MET