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Latest revision Your text
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|introduction=September 12, 2019
 
|introduction=September 12, 2019
 
|process=14 nm
 
|process=14 nm
|cores=9
+
|cores=12
|cores 2=10
 
|cores 3=11
 
|cores 4=12
 
 
|type=Superscalar
 
|type=Superscalar
 
|type 2=Pipelined
 
|type 2=Pipelined
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|speculative=Yes
 
|speculative=Yes
 
|renaming=Yes
 
|renaming=Yes
|stages=17
 
|decode=6-way
 
 
|isa=z/Architecture
 
|isa=z/Architecture
 
|l1i=128 KiB
 
|l1i=128 KiB
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{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
! colspan="9" | z15 T01 Configurations
+
! colspan="6" | z15 T01 Configurations
 
|-
 
|-
! Feature<br>Code !! Feature<br>Name !! CPC Drawers !! Core !! Spare Cores !! SAPs !! Memory !! Frequency !! Max PCIe<br>fanout
+
! Feature<br>Code !! Feature<br>Name !! CPC Drawers || Core || Spare Cores || SAPs
 
|-
 
|-
| 0655 || Max34 || 1 || 34 || 2 || 4 || 512 GiB - 7.75 TiB || 5.2 GHz || 12
+
| 0655 || Max34 || 1 || 34 || 2 || 4
 
|-
 
|-
| 0656 || Max71 || 2 || 71 || 2 || 8 || 512 GiB - 15.75 TiB || 5.2 GHz || 24
+
| 0656 || Max71 || 2 || 71 || 2 || 8
 
|-
 
|-
| 0657 || Max108 || 3 || 108 || 2 || 12 || 512 GiB - 23.75 TiB || 5.2 GHz || 36
+
| 0657 || Max108 || 3 || 108 || 2 || 12
 
|-
 
|-
| 0658 || Max145 || 4 || 145 || 2 || 16 || 512 GiB - 31.75 TiB || 5.2 GHz || 48
+
| 0658 || Max145 || 4 || 145 || 2 || 16
 
|-
 
|-
| 0659 || Max190 || 5 || 190 || 2 || 22 || 512 GiB - 39.75 TiB || 5.2 GHz || 60
+
| 0659 || Max190 || 5 || 190 || 2 || 22
 
|}
 
|}
 
Note that the z15 reserves a fixed amount of 256 GiB (0.25 TiB) for the hardware system area (HSA).
 
 
==== Frames ====
 
The z15 supports anywhere from one to four frames. The frames are labeled Z, A, B, and C.
 
 
{{expand section}}
 
  
 
== System ==
 
== System ==
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=== Drawer ===
 
=== Drawer ===
{{empty section}}
 
 
=== Hardware system area (HSA) ===
 
 
{{empty section}}
 
{{empty section}}
  
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** 17 metal layers
 
** 17 metal layers
 
* 9,200,000,000 transistors
 
* 9,200,000,000 transistors
** 15.6 miles of wire
 
** 26,200,000,000 wire connections
 
 
* 5.2 GHz
 
* 5.2 GHz
 
* 12 cores
 
* 12 cores
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* [[14 nm process|14HP FinFET on SOI]]
 
* [[14 nm process|14HP FinFET on SOI]]
 
** 17 metal layers
 
** 17 metal layers
* 12,200,000,000 transistors
+
* 9,700,000,000 billion transistors (''note that this number, from the technical document, is likely incorrect as it's the same number as the z14'')
** ~20,000 C4s
 
** 13.5 miles of signal wire
 
 
* 960 MiB shared [[eDRAM]] [[L4 cache]].
 
* 960 MiB shared [[eDRAM]] [[L4 cache]].
 
* Die size
 
* Die size

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codenamez15 +
core count12 +, 9 +, 10 + and 11 +
designerIBM +
first launchedSeptember 12, 2019 +
full page nameibm/microarchitectures/z15 +
instance ofmicroarchitecture +
instruction set architecturez/Architecture +
manufacturerGlobalFoundries +
microarchitecture typeCPU +
namez15 +
pipeline stages17 +
process14 nm (0.014 μm, 1.4e-5 mm) +