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Difference between revisions of "apm/microarchitectures/storm"
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=== Complete SoC === | === Complete SoC === | ||
* [[40 nm process]] | * [[40 nm process]] | ||
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| + | :[[File:apm storm die.png|600px]] | ||
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| + | :[[File:apm storm die (annotated).png|600px]] | ||
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=== Compute Complex === | === Compute Complex === | ||
* 4 PMDs | * 4 PMDs | ||
:[[File:apm storm potenza complex.png|700px]] | :[[File:apm storm potenza complex.png|700px]] | ||
| − | === Potenza | + | === Potenza Processor Module (PMD) === |
* 2 cores per module | * 2 cores per module | ||
* shared L2 | * shared L2 | ||
Latest revision as of 03:17, 26 September 2018
| Edit Values | |
| Storm µarch | |
| General Info | |
| Arch Type | CPU |
| Designer | AppliedMicro |
| Manufacturer | TSMC |
| Introduction | 2011 |
| Process | 40 nm |
| Core Configs | 8 |
| Pipeline | |
| Type | Superscalar |
| OoOE | Yes |
| Speculative | Yes |
| Reg Renaming | Yes |
| Instructions | |
| ISA | ARMv8 |
| Succession | |
Storm is AppliedMicro first custom ARM microarchitecture for servers. Storm-based microprocessors were sold under the X-Gene 1 brand of server microprocessors.
Contents
Codenames[edit]
| Codename | Description |
|---|---|
| Potenza | codename for the core and memory sub-system |
Technology[edit]
Storm is fabricated on TSMC's 40 nm bluk CMOS.
Architecture[edit]
Memory Hierarchy[edit]
- Cache
- L1I
- 32 KiB, 8-way set associative
- Per core
- ECC and Parity protection
- 32 KiB, 8-way set associative
- L1D
- 32 KiB, 8-way set associative
- Per core
- 64 B/line
- Write-through with write-combining
- ECC and Parity protection
- 32 KiB, 8-way set associative
- L2
- 256 KB
- Per process module (2 cores)
- Inclusive of L1 write-thru data caches
- 64 B/line
- ECC and Parity protection
- 256 KB
- L3
- 8 MiB
- 64 B/line
- Per chip
- L1I
Die[edit]
Complete SoC[edit]
.png)
Compute Complex[edit]
- 4 PMDs
Potenza Processor Module (PMD)[edit]
- 2 cores per module
- shared L2
- 40 nm process
- 84,000,000 transistors
- 14.8 mm² die size
.png)
Bibliography[edit]
- Paramesh Gopi, Gaurav Singh, Greg Favor. "X-Gene: 64-bit ARM CPU and SoC." Hot Chips 24 Symposium (HCS), 2012 IEEE. IEEE, 2012.
- Alfred Yeung, et al. (February, 2014). "A 3GHz 64b ARM v8 Processor in 40nm Bulk CMOS Technology".
Facts about "Storm - Microarchitectures - AppliedMicro"
| codename | Storm + |
| core count | 8 + |
| designer | AppliedMicro + |
| first launched | 2011 + |
| full page name | apm/microarchitectures/storm + |
| instance of | microarchitecture + |
| instruction set architecture | ARMv8 + |
| manufacturer | TSMC + |
| microarchitecture type | CPU + |
| name | Storm + |
| process | 40 nm (0.04 μm, 4.0e-5 mm) + |