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Spring Crest µarch
General Info
Arch Type	NPU
Designer	Nervana
Manufacturer	Intel
PE Configs	24
Succession
Lake Crest

Spring Crest is the successor to Lake Crest, a planned neural processor microarchitecture designed by Intel Nervana.

Produces based on Spring Crest are branded as the NNP L-1000 series.

Process Technology

Spring Crest is fabricated on TSMC's 16 nm process.

Architecture

Spring Crest largely builds on the prior generation but introduces more enhancements and compute.

Key changes from Lake Crest

• 16 nm process (from 28 nm)
• 2x computer clusters (24 CCs, up from 12)
  • Support Bfloat16 (from Flexpoint)
• 33% more InterChip Links (16 ICLs, up from 12)

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Overview

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Scalability

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