[RC5] PowerPC RS64III

Jerome Lamarque jlamarque1 at cybercable.fr
Sun Dec 17 16:03:31 EST 2000


À (At) 19:29 -0500 12/12/2000, EnoJon écrivait (wrote) :
>Ah, big difference in rs64 iii and G4.
>g4 450 hits 1Mkeys/sec. without AV 3.5Mkeys/sec with AV.


The big difference between these two is that rs64 iii was designed by 
IBM for Mini Computers, while the G4 was designed by Motorola for PCs 
(Macs in fact ;-)).


>
>stvernaillen at ge.cokecce.com wrote:
>
> > >From the IBM website :

 From Motorola's website: MPC 7400 Parametrics:

> >
> > The RS64 III processor has the following attributes:
> >
> > 128 KB on-chip L1 instruction cache

32 KB on-chip L1 instruction cache

> > 128 KB on-chip L1 data cache with one cycle load-to-use latency

32 KB on-chip L1 data cache

> > On-chip L2 cache directory that supports up to 8 MB of off-chip L2 cache

On-chip L2 cache directory that supports up to 2 MB of off-chip L2 cache

> > 14.4 GB/s L2 cache bandwidth
> > 32-byte wide on-chip busses
> > 450 MHz operating frequency
> > 140 mm2 die size
> > 22 watts maximum power
> > 4-way superscalar
> > 5 stage deep pipeline
> > Branch mispredict penalty of zero or one cycle

MPC7400 Parametrics

Processor Speed	Bus Interface	L1 Instructional	L1 Data 
	L2 Cache (Max)
MHz		Bits		Cache KBytes		Cache KBytes	KBytes
350, 400, 450		64		32		32 
	512, 1024, 2048



Power Dissipation	Power Dissipation	Package 
	Process		Voltage int		Voltage i/o
(Typ) Watts		(Max) Watts 
		V		V
5		8		360 CGBA		0.15 micron 
6LM CMOS	1.8, 2.5		1.8, 2.5, 3.3



Performance_1
MIPS
825 @450MHz

C ya

-- 
Jerome "globule" Lamarque  sf-info at egroups.fr co-administrator and one of
TidBITS and http://icdweb.cc.purdue.edu/~bsbauer/YADS/ French translators
"In life there are three kinds of people.
Those who can count... and the others."<mailto:jlamarque1 at cybercable.fr>
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