Die Photo

Sun Niagara
OR
Ultrasparc T1

Features

• Eight pipelines or cores, each shared by 4 threads
  • 32-way multithreading on a single chip
  • Starting frequency of 1.2 GHz, consumes 60 W
  • Shared 3 MB L2 cache, 4-way banked, 12-way set associative, 200 GB/s bandwidth
  • Single-issue six stage pipe
  • Target market is web service where ILP is limited, but TLP is huge (independent transactions)
• Throughput matters