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{{compaq title|Alpha 21364|arch}}
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{{compaq title|Alpha 21264|arch}}
 
{{microarchitecture
 
{{microarchitecture
 
|atype=CPU
 
|atype=CPU
 
|name=Alpha 21364
 
|name=Alpha 21364
|designer=DEC
+
|designer=Compaq
|designer 2=Compaq
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|manufacturer=Samsung
|manufacturer=IBM
 
 
|introduction=January 20, 2002
 
|introduction=January 20, 2002
 
|process=0.18 µm
 
|process=0.18 µm
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|speculative=Yes
 
|speculative=Yes
 
|renaming=Yes
 
|renaming=Yes
|stages=7
+
|stages=6
 
|decode=4-way
 
|decode=4-way
 
|isa=Alpha
 
|isa=Alpha
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|l1d per=core
 
|l1d per=core
 
|l1d desc=2-way set associative
 
|l1d desc=2-way set associative
|l2=1.75 MiB
 
|l2 per=core
 
|l2 desc=7-way set associative
 
 
|predecessor=Alpha 21264
 
|predecessor=Alpha 21264
 
|predecessor link=dec/microarchitectures/alpha_21264
 
|predecessor link=dec/microarchitectures/alpha_21264
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|successor link=compaq/microarchitectures/alpha_21464
 
|successor link=compaq/microarchitectures/alpha_21464
 
}}
 
}}
'''Alpha 21364''' was an [[Alpha]] microarchitecture designed by [[Compaq]] after acquiring it from [[DEC]] and introduced in 2002 as a successor to the {{\\|Alpha 21264}} architecture.
 
 
== History ==
 
{{empty section}}
 
 
== Process Technology ==
 
{{see also|0.18 µm process}}
 
{{empty section}}
 
 
== Architecture ==
 
{{empty section}}
 
 
== Die ==
 
* 1,250 MHz
 
* 135 Watts (155 W peak) @ 1.65 volts
 
* [[0.18 µm process]]
 
* 7 metal layers (copper interconnect)
 
* 152,000,000 transistors
 
** 15,000,000 logic
 
** 137,000,000 cache
 
*  21.1 mm x 18.8 mm
 
* 396.68 mm² die size
 
* PGA-1443 package
 
** 946 signal pins
 
 
 
: [[File:alpha 21364 die shot.png|650px]]
 
 
 
: [[File:alpha 21364 die shot (annotated).png|650px]]
 
 
=== Core ===
 
<div style="display: inline-block">
 
<div style="float: left; margin: 10px;">[[File:alpha 21364 core.png|350px]]</div>
 
<div style="float: left; margin: 10px;">[[File:alpha 21364 core (annotated).png|350px]]</div></div>
 
 
{{clear}}
 
 
== Documents ==
 
* [[:File:Alpha 21364 (EV7) (January 4, 2002).pdf|Alpha 21364 (EV7)]], January 4, 2002
 
* [[:File:ev7SMP.ppt|Alpha 21364: A Scalable Single-chip SMP (PPT)]] ([[:File:ev7SMP.pdf|PDF Version]]), 1998
 
* [[:File:alpha 21464.ppt|The Alpha 21364 and 21464 Microprocessors: Continuing the Performance Lead Beyond Y2K (PPT)]] ([[:File:alpha 21464.pdf|PDF Version]])
 
 
== References ==
 
* "Alpha 21364 (EV7)", Compaq presentation
 
* Tsuk, M., et al. "Modeling and measurement of the Alpha 21364 package." Electrical Performance of Electronic Packaging, 2001. IEEE, 2001.
 

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codenameAlpha 21364 +
core count1 +
designerCompaq + and DEC +
first launchedJanuary 20, 2002 +
full page namecompaq/microarchitectures/alpha 21364 +
instance ofmicroarchitecture +
instruction set architectureAlpha +
manufacturerIBM +
microarchitecture typeCPU +
nameAlpha 21364 +
pipeline stages7 +
process180 nm (0.18 μm, 1.8e-4 mm) +