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Subject: Itanium2 Testing Crafty & Tinker Informal Results

Author: Brian Richardson

Date: 13:50:48 02/16/03


I have been running some informal Itanium2 tests with Tinker and Crafty (18.15).
The results are not encouraging.  I know Bob Hyatt has posted better numbers for
Itanium2, but I can’t come even close.  Then again, I am no professional
compiler developer or performance engineer.  Anyway, here is the data (Knps).

Intel IA64 Itanium2 (1GHz) dual CPU system vs dual AMD 1900+ (1.6GHz)

Crafty18.15	1 CPU	2 CPUs	SMP Speedup
IA64	        368	715	1.94
AMD	        615	1015	1.65
IA64 Slower	40%	30%

x86 binary
on IA64	        170	337	1.98
IA64 Slower	72%	67%


Tinker
IA64	        260
AMD	        330
IA64 Slower	21%

x86 on IA64	103
IA64 Slower	69%


Note that the 2 CPU SMP efficiency for the Itanium2 system is significantly
better than the dual AMD system, as has been reported before.

Also, note that both the Intel and Microsoft Itanium2 compilers produced
different results, depending on debug (no optimization) vs optimization modes.
Also, I could not get Crafty to compile with the Intel compiler, and some Tinker
routines broke the Intel optimizer.  Moreover, the Intel compiler produced code
about 5% or so faster than the Microsoft compiler for Tinker.  I was not able to
get profiling to work, nor did I try Vtune.

The results are more or less in line with the SPEC CPU2000int results for Crafty
(see www.spec.org), some of which are (run times in seconds):

Hewlett-Packard Company hp server rx2600 (1000 MHz, Itanium 2)
186.crafty 128

Advanced Micro Devices Epox 8KHA+ Motherboard, AMD Athlon (TM) XP 1900+ (CPU
MHz: 1600)
186.crafty 106

Intel Corporation Intel D850EMVR motherboard (3.06 GHz, Pentium 4 processor with
HT Technology)
186.crafty 86

Advanced Micro Devices ASUS A7N8X (REV 1.02) Motherboard, AMD Athlon (TM) XP
2800+ (CPU MHz: 2250)
186.crafty 76.3



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