Difference between revisions of "Status Matrix"

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(→‎x86: Updated the cells for O3 CPU and Ruby)
(→‎ISA Support Matrices)
 
(15 intermediate revisions by 3 users not shown)
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== Notes ==
 
== Notes ==
 +
Below [[Classic Memory System | Classic]] and [[Ruby]] refers to the two memory systems that we have in gem5. [[MI_example|MI]], [[MESI Two Level | MESI]] and [[Ruby#SLICC + Coherence protocols: | MOESI]] (multiple flavors) are the coherence protocols that are supported in Ruby memory system. Then we have the CPU models: [[SimpleCPU | AtomicSimple]], [[SimpleCPU | TimingSimple]], [[InOrder]] and [[O3CPU | O3]].
  
 
Numbers in the squares below refer to the following notes:
 
Numbers in the squares below refer to the following notes:
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== ISA Support Matrices ==
 
== ISA Support Matrices ==
 +
 +
'''''THIS PAGE WAS LAST UPDATED IN 2015. IT IS LIKELY OUT OF DATE. USE THIS AS A GUIDELINE.'''''
  
 
=== Alpha ===
 
=== Alpha ===
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|-
 
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|multi
 
|multi
 
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| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 2
 
| style="background: red; color: white" | Note 2
−
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+
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|-
 
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| style="background: orange; color: white" |
 
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| style="background: yellow; color: white" |
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|-
 
|-
 
|multi
 
|multi
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 2
 
| style="background: red; color: white" | Note 2
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
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| style="background: orange; color: white" |
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+
| style="background: orange; color: white" |
 
|-
 
|-
 
|}
 
|}
  
−
=== x86 ===
+
=== ARM ===
  
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
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!rowspan="2"|SE  
 
!rowspan="2"|SE  
 
|uni
 
|uni
−
| style="background: yellow;" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
|multi
 
|multi
−
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+
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: yellow;" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
|multi
 
|multi
−
| style="background: yellow;" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
−
!rowspan="2"|SE
+
!rowspan="2"|SE  
 
|uni
 
|uni
−
| style="background: yellow;" |
+
| style="background: green; color: white" |
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
 +
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
−
| style="background: yellow;" |
 
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: yellow;" | Note 3
+
| style="background: green; color: white" |
−
| style="background: yellow;" |
+
| style="background: red; color: white"| Note 2
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
 +
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
−
| style="background: yellow;" |
 
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: yellow;" | Note 3
+
| style="background: green; color: white" |
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
 +
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
−
| style="background: yellow;" |
 
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: yellow;" | Note 3
+
| style="background: green; color: white" |
−
| style="background: yellow;" |
+
| style="background: red; color: white"| Note 2
−
| style="background: yellow;" |
+
| style="background: orange; color: white"|
 +
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
−
| style="background: yellow;" |
 
 
|-
 
|-
 
!rowspan="4"|InOrder
 
!rowspan="4"|InOrder
 
!rowspan="2"|SE
 
!rowspan="2"|SE
 
|uni
 
|uni
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |
 
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|-
 
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|multi
 
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+
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| style="background: red; color: white" |  
 
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| style="background: red; color: white" |
 
| style="background: red; color: white" |
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!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
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|-
 
|-
 
|multi
 
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+
| style="background: green; color: white" |
 
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| style="background: red; color: white" |
 
| style="background: red; color: white" |
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|-
 
|-
 
!rowspan="4"|O3
 
!rowspan="4"|O3
−
!rowspan="2"|SE
+
!rowspan="2"|SE  
 
|uni
 
|uni
−
| style="background: yellow;" |
+
| style="background: green; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white"|
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white"|
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| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: yellow;" | Note 3
+
| style="background: green; color: white" |
−
| style="background: red; color: white" | Note 2
+
| style="background: red; color: white"| Note 2
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
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| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: orange; color: white" | Note 3
+
| style="background: green; color: white" |
−
| style="background: red; color: white" | Note 2
+
| style="background: red; color: white"| Note 2
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white"|
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: orange; color: white" | Note 3
+
| style="background: green; color: white" |
−
| style="background: red; color: white" | Note 2
+
| style="background: red; color: white"| Note 2
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: yellow; color: white" |
+
| style="background: orange; color: white" |
 
|-
 
|-
 
|}
 
|}
  
−
=== ARM ===
+
=== x86 ===
  
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
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!rowspan="2"|SE  
 
!rowspan="2"|SE  
 
|uni
 
|uni
−
| style="background: green; color: white" |
+
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
|multi
 
|multi
−
| style="background: green; color: white" |
+
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: green; color: white" |
+
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
|multi
 
|multi
−
| style="background: green; color: white" |
+
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
−
!rowspan="2"|SE  
+
!rowspan="2"|SE
 
|uni
 
|uni
−
| style="background: green; color: white" |
+
| style="background: yellow;" |
−
| style="background: orange; color: white"|
+
| style="background: yellow;" |
−
| style="background: orange; color: white"|
+
| style="background: yellow;" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
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+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow;" |
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: green; color: white" |
+
| style="background: yellow;" | Note 3
−
| style="background: red; color: white"| Note 2
+
| style="background: yellow;" |
−
| style="background: orange; color: white"|
+
| style="background: yellow;" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow;" |
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
 +
| style="background: yellow;" | Note 3
 +
| style="background: yellow;" |
 +
| style="background: yellow;" |
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
−
| style="background: orange; color: white"|
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white"|
+
| style="background: yellow;" |
−
| style="background: orange; color: white" |
 
−
| style="background: orange; color: white" |
 
−
| style="background: orange; color: white" |
 
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: green; color: white" |  
+
| style="background: yellow;" | Note 3
−
| style="background: red; color: white"| Note 2
+
| style="background: yellow;" |
−
| style="background: orange; color: white"|
+
| style="background: yellow;" |
−
| style="background: orange; color: white" |
+
| style="background: green; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow;" |
 
|-
 
|-
 
!rowspan="4"|InOrder
 
!rowspan="4"|InOrder
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|-
 
|-
 
!rowspan="4"|O3
 
!rowspan="4"|O3
−
!rowspan="2"|SE  
+
!rowspan="2"|SE
 
|uni
 
|uni
−
| style="background: green; color: white" |
+
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−
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+
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+
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+
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|-
 
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|multi
 
|multi
−
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+
| style="background: yellow;" | Note 3
−
| style="background: red; color: white"| Note 2
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
 
|uni
 
|uni
−
| style="background: green; color: white" |
+
| style="background: orange; color: white" | Note 3
−
| style="background: orange; color: white"|
+
| style="background: red; color: white" | Note 2
−
| style="background: orange; color: white"|
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
 
|-
 
|-
 
|multi
 
|multi
−
| style="background: green; color: white" |
+
| style="background: orange; color: white" | Note 3
−
| style="background: red; color: white"| Note 2
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: yellow; color: white" |
 
|-
 
|-
 
|}
 
|}
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|multi
 
|multi
 
| style="background: yellow;" |
 
| style="background: yellow;" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: orange; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: orange; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: orange; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: orange; color: white" |
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
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|multi
 
|multi
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
 
|-
 
|-
 
|}
 
|}
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|multi
 
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
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|multi
 
|multi
 
| style="background: red;" |
 
| style="background: red;" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" |
 
|-
 
|-
 
|}
 
|}
Line 892: Line 895:
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
 
|uni
 
|uni
−
| style="background: orange;" |
+
| style="background: red;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
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|-
 
|-
 
|multi
 
|multi
−
| style="background: orange;" |
+
| style="background: red;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 936: Line 939:
 
|multi
 
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
−
| style="background: red; color: white" | Note 3
+
| style="background: red; color: white" | Note 2
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
−
| style="background: red; color: white" | Note 3
+
| style="background: purple; color: white" |
 
|-
 
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Latest revision as of 12:06, 23 February 2018

The follow six tables describe the current state of component combinations in gem5.

Color Key

Definitely does not work
Might work
Should work
Definitely works
Unknown

Notes

Below Classic and Ruby refers to the two memory systems that we have in gem5. MI, MESI and MOESI (multiple flavors) are the coherence protocols that are supported in Ruby memory system. Then we have the CPU models: AtomicSimple, TimingSimple, InOrder and O3.

Numbers in the squares below refer to the following notes:

  1. Ruby does not support atomic-mode accesses
  2. The MI_example protocol cannot support LL/SC semantics
  3. Classic caches do not support x86 locked (atomic RMW) accesses. The AtomicSimple CPU model enforces atomic RMW accesses itself, so this only affects correctness for timing-mode CPU models.

ISA Support Matrices

THIS PAGE WAS LAST UPDATED IN 2015. IT IS LIKELY OUT OF DATE. USE THIS AS A GUIDELINE.

Alpha

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi Note 2
FS uni
multi Note 2
InOrder SE uni
multi Note 2
FS uni
multi Note 2
O3 SE uni
multi Note 2
FS uni
multi Note 2

ARM

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi Note 2
FS uni
multi Note 2
InOrder SE uni
multi
FS uni
multi
O3 SE uni
multi Note 2
FS uni Note 2
multi Note 2

x86

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi Note 3
FS uni Note 3
multi Note 3
InOrder SE uni
multi
FS uni
multi
O3 SE uni
multi Note 3 Note 2
FS uni Note 3 Note 2
multi Note 3 Note 2

SPARC

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi
FS uni
multi
InOrder SE uni
multi
FS uni
multi
O3 SE uni
multi Note 2
FS uni
multi Note 2

PowerPC

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi
FS uni
multi
InOrder SE uni
multi
FS uni
multi
O3 SE uni
multi Note 2
FS uni
multi Note 2

MIPS

Processor Memory System
Model System Count Classic Ruby
MI_example MOESI_hammer MESI_CMP_directory MOESI_CMP_directory MOESI_CMP_token
AtomicSimple SE uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
FS uni Note 1 Note 1 Note 1 Note 1 Note 1
multi Note 1 Note 1 Note 1 Note 1 Note 1
TimingSimple SE uni
multi
FS uni
multi
InOrder SE uni
multi
FS uni
multi
O3 SE uni
multi Note 2
FS uni
multi Note 2
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