Slower raid sync (pIII_sse) benchmark on AthlonXP

[Mike Fedyk]

Are these numbers correct for sse on AthlonXP?  Every time I've seen the
pIII_sse number much closer to pII_mmx...

2.6.0-test4-mm3-1:

raid5: measuring checksumming speed
   8regs     :  2788.000 MB/sec
   8regs_prefetch:  2752.000 MB/sec
   32regs    :  2668.000 MB/sec
   32regs_prefetch:  2252.000 MB/sec
   pIII_sse  :  2792.000 MB/sec
   pII_mmx   :  5556.000 MB/sec
   p5_mmx    :  7360.000 MB/sec
raid5: using function: pIII_sse (2792.000 MB/sec)

processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 6
model		: 8
model name	: AMD Athlon(TM) XP 2600+
stepping	: 1
cpu MHz		: 2083.203
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 1
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips	: 4104.19

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Are these numbers correct for sse on AthlonXP?  Every time I've seen the
pIII_sse number much closer to pII_mmx...

2.6.0-test4-mm3-1:

raid5: measuring checksumming speed
   8regs     :  2788.000 MB/sec
   8regs_prefetch:  2752.000 MB/sec
   32regs    :  2668.000 MB/sec
   32regs_prefetch:  2252.000 MB/sec
   pIII_sse  :  2792.000 MB/sec
   pII_mmx   :  5556.000 MB/sec
   p5_mmx    :  7360.000 MB/sec
raid5: using function: pIII_sse (2792.000 MB/sec)

processor	: 0
vendor_id	: AuthenticAMD
cpu family	: 6
model		: 8
model name	: AMD Athlon(TM) XP 2600+
stepping	: 1
cpu MHz		: 2083.203
cache size	: 256 KB
fdiv_bug	: no
hlt_bug		: no
f00f_bug	: no
coma_bug	: no
fpu		: yes
fpu_exception	: yes
cpuid level	: 1
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
bogomips	: 4104.19

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