Difference between revisions of "Status Matrix"

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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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# Ruby does not support atomic-mode accesses
 
# Ruby does not support atomic-mode accesses
 
# The MI_example protocol cannot support LL/SC semantics
 
# The MI_example protocol cannot support LL/SC semantics
−
# Ruby does not support probing the O3 LSQ to enforce non-weak consistency models
+
# 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.
−
# ARM MP does not support booting with caches, but works otherwise.  You can boot without caches then switch to running with caches using either a checkpoint/resume or on-line CPU switchover.
 
  
 
== 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 IT IS LIKELY OUT OF DATE.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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!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
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|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| 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
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
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| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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
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|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
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| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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
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| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
|-
 
|-
−
!rowspan="4"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE
 
!rowspan="2"|SE
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
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| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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
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|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
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| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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
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| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
 
!rowspan="2"|SE
 
!rowspan="2"|SE
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
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| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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: 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
−
|uniprocessor
+
|uni
 
| style="background: green; color: white" |
 
| style="background: green; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
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| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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: 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" |
 
|-
 
|-
 
|}
 
|}
  
−
=== x86 ===
+
=== ARM ===
  
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
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!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
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|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|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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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|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="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|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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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|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  
−
|uniprocessor
+
|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;" |
 
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: yellow;" |
+
| 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
−
|uniprocessor
+
|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;" |
 
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: yellow;" |
+
| 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"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE
 
!rowspan="2"|SE
−
|uniprocessor
+
|uni
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
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| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
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|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
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| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
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| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
−
!rowspan="2"|SE
+
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
−
| style="background: yellow; color: white" |
+
| style="background: green; 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: orange; color: white" |
 
| style="background: orange; color: white" |
 +
|-
 +
|multi
 +
| style="background: green; color: white" |
 +
| style="background: red; color: white"| Note 2
 
| 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" |
−
|-
 
−
|multiprocessor
 
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
−
| style="background: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: red; color: white" |
+
| style="background: green; color: white" |
−
| style="background: red; color: white" |
+
| style="background: red; color: white"| Note 2
−
| style="background: red; color: white" |
+
| style="background: orange; color: white"|
−
| style="background: red; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: red; color: white" |
+
| style="background: orange; color: white" |
−
| style="background: red; color: white" |
+
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: red; color: white" |
+
| style="background: green; 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: 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" |
 
|-
 
|-
 
|}
 
|}
  
−
=== ARM ===
+
=== x86 ===
  
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
 
{| border="1" class="wikitable" align=center style="background:#B0C4DE;"
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!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
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|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|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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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|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
−
|uniprocessor
+
|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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| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: green; color: white" | Note 4
+
| 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
Line 388: Line 390:
 
|-
 
|-
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
−
!rowspan="2"|SE  
+
!rowspan="2"|SE
−
|uniprocessor
+
|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" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow;" |
 
|-
 
|-
−
|multiprocessor
+
|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
−
|uniprocessor
+
|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" |
 
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: green; color: white" | Note 4
+
| 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"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE
 
!rowspan="2"|SE
−
|uniprocessor
+
|uni
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 432: Line 434:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
Line 441: Line 443:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 449: Line 451:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 457: Line 459:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
−
!rowspan="2"|SE  
+
!rowspan="2"|SE
−
|uniprocessor
+
|uni
−
| style="background: green; 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; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
−
| style="background: orange; color: white" |
+
| style="background: yellow; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: green; color: white" |
+
| 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
−
|uniprocessor
+
|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" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: green; color: white" | Note 4
+
| 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" |
 
|-
 
|-
 
|}
 
|}
Line 500: Line 502:
 
!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
Line 508: Line 510:
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 518: Line 520:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 527: Line 529:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 535: Line 537:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 545: Line 547:
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: orange; color: white"|
 
| style="background: orange; color: white"|
Line 553: Line 555:
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: orange; color: white"|
 
| style="background: orange; color: white"|
Line 562: Line 564:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
Line 570: Line 572:
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 578: Line 580:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white"|
 
| style="background: red; color: white"|
Line 588: Line 590:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white"|
 
| style="background: red; color: white"|
Line 597: Line 599:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 605: Line 607:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |  
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 613: Line 615:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
−
| style="background: yellow; 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"|
Line 623: Line 625:
 
| style="background: orange; color: white" |
 
| style="background: orange; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: yellow; color: white" |
+
| 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
−
|uniprocessor
+
|uni
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
Line 640: Line 642:
 
| style="background: red; color: white" |
 
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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" |
 
|-
 
|-
 
|}
 
|}
Line 656: Line 658:
 
!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
Line 664: Line 666:
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 674: Line 676:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 683: Line 685:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: yellow;" |
+
| style="background: red;" |
 
| 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
Line 691: Line 693:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: orange;" |
+
| style="background: red;" |
 
| 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
Line 701: Line 703:
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 709: Line 711:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 718: Line 720:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: yellow;" |
+
| style="background: red;" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: orange;" |
+
| style="background: red;" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 744: Line 746:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 753: Line 755:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 779: Line 781:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
−
|-
 
−
!rowspan="2"|FS
 
−
|uniprocessor
 
−
| style="background: yellow;" |
 
−
| style="background: purple; color: white"|
 
−
| style="background: purple; color: white"|
 
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
!rowspan="2"|FS
−
| style="background: orange;" |
+
|uni
−
| style="background: red; color: white" | Note 3
+
| style="background: red;" |
−
| 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" |
 +
| style="background: red; color: white" |
 +
|-
 +
|multi
 +
| style="background: red;" |
 +
| style="background: red; color: white" | Note 2
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 
|-
 
|-
 
|}
 
|}
Line 812: Line 814:
 
!colspan="6"|Memory System
 
!colspan="6"|Memory System
 
|-
 
|-
−
!rowspan="2"|Cpu Model
+
!rowspan="2"|Model
 
!rowspan="2"|System
 
!rowspan="2"|System
−
!rowspan="2"|Processor Count
+
!rowspan="2"|Count
 
!rowspan="2"|Classic
 
!rowspan="2"|Classic
 
!colspan="5"|Ruby
 
!colspan="5"|Ruby
Line 820: Line 822:
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|MI_example||MOESI_hammer||MESI_CMP_directory||MOESI_CMP_directory||MOESI_CMP_token
 
|-
 
|-
−
!rowspan="4"|Atomic
+
!rowspan="4"|AtomicSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 830: Line 832:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
Line 839: Line 841:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: yellow;" |
+
| style="background: red;" |
 
| 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
Line 847: Line 849:
 
| style="background: red; color: white" | Note 1
 
| style="background: red; color: white" | Note 1
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: orange;" |
+
| style="background: red;" |
 
| 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
Line 857: Line 859:
 
!rowspan="4"|TimingSimple
 
!rowspan="4"|TimingSimple
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 865: Line 867:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
 
| style="background: orange;" |
 
| style="background: orange;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 874: Line 876:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: yellow;" |
+
| style="background: red;" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: orange;" |
+
| style="background: red;" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|In-Order
+
!rowspan="4"|InOrder
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|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"|
Line 900: Line 902:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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 909: Line 911:
 
|-
 
|-
 
!rowspan="2"|FS
 
!rowspan="2"|FS
−
|uniprocessor
+
|uni
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|multi
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white"|
+
| style="background: red; color: white"|
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
−
| style="background: purple; color: white" |
+
| style="background: red; color: white" |
 
|-
 
|-
−
!rowspan="4"|o3
+
!rowspan="4"|O3
 
!rowspan="2"|SE  
 
!rowspan="2"|SE  
−
|uniprocessor
+
|uni
 
| style="background: yellow;" |
 
| style="background: yellow;" |
 
| style="background: purple; color: white"|
 
| style="background: purple; color: white"|
Line 935: Line 937:
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
|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: red; color: white" | Note 3
 
−
| style="background: red; color: white" | Note 3
 
−
|-
 
−
!rowspan="2"|FS
 
−
|uniprocessor
 
−
| style="background: yellow;" |
 
−
| style="background: purple; color: white"|
 
−
| style="background: purple; color: white"|
 
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
| style="background: purple; color: white" |
 
|-
 
|-
−
|multiprocessor
+
!rowspan="2"|FS
−
| style="background: orange;" |
+
|uni
−
| style="background: red; color: white" | Note 3
+
| style="background: red;" |
−
| 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" |
 +
| style="background: red; color: white" |
 +
|-
 +
|multi
 +
| style="background: red;" |
 +
| style="background: red; color: white" | Note 2
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 +
| style="background: red; color: white" |
 
|-
 
|-
 
|}
 
|}

Latest revision as of 13:06, 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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