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L1 data-side memory system

The L1 data memory system has the following features:

  • Virtually Indexed, Physically Tagged (VIPT), which behaves as a Physically Indexed, Physically Tagged (PIPT) 4-way set-associative L1 data cache.
  • Fixed cache line length of 64 bytes.
  • Pseudo-LRU cache replacement policy.
  • 256-bit write interface from the L2 memory system.
  • 256-bit read interface from the L2 memory system.
  • Two 128-bit read paths from the data L1 memory system to the datapath.
  • 256-bit write path from the datapath to the L1 memory system.
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