IBM z13 (microprocessor)
The z13 is a microprocessor made by IBM for their z13 mainframe computers, announced on January 14, 2015. Manufactured at GlobalFoundries' East Fishkill, New York fabrication plant (formerly IBM's own plant). IBM stated that it is the world's fastest microprocessor and is about 10% faster than its predecessor the zEC12 in general single-threaded computing, but significantly more when doing specialized tasks.
| General information | |
|---|---|
| Launched | 2015 |
| Designed by | IBM |
| Common manufacturer(s) | |
| Performance | |
| Max. CPU clock rate | 5 GHz |
| Cache | |
| L1 cache | 96 KB instruction 128 KB data per core |
| L2 cache | 2 MB instruction 2 MB data per core |
| L3 cache | 64 MB shared |
| Architecture and classification | |
| Technology node | 22 nm |
| Instruction set | z/Architecture |
| Physical specifications | |
| Cores |
|
| History | |
| Predecessor(s) | zEC12 |
| Successor(s) | z14 |
The IBM z13 is the last z Systems server to support running an operating system in ESA/390 architecture mode. However, all 24-bit and 31-bit problem-state application programs originally written to run on the ESA/390 architecture are unaffected by this change.
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