Re: AMD64 floating point performance 32 vs. 64

From: Nino Dehne (usenet-2005-01-b07e88f7_at_0x54434D.net)
Date: 01/07/05 

Date: Fri, 07 Jan 2005 23:31:37 +0100

jbacon@mcw.edu wrote:
> CPU: AMD Athlon(tm) 64 Processor 3400+ (2210.77-MHz K8-class CPU)
                                           ^^^^^^^
> Origin = "AuthenticAMD" Id = 0xf4a Stepping = 10
                                 ^^^^^ ^^
> CPU: AMD Athlon(tm) 64 Processor 3400+ (2411.75-MHz 686-class CPU)
                                           ^^^^^^^
> Origin = "AuthenticAMD" Id = 0xfc0 Stepping = 0
                                 ^^^^^ ^
How about using identical CPUs and _then_ perform benchmarks that
compare 32bit vs. 64bit?

Just a thought,

ND