10"
Related"work:"Piranha"
• Piranha:"Compaq"2000"Niagara:"
Sun"2005"
• Niagara"paper"refs"Piranha*"
• Almost"identical"rationales"
• High"BW,"low"laten cy"
– 1.6"GB/sec"x"8"="12.8"GB/sec"
• 8"Alpha"singleZissue"inZorder"
cores"(RISC),"individual"L1"data"
and"instruction"caches,"IntraZ
Chip"Switch,"shared"L2"
• 8Zstage"pipeline:"
– Instruction"fetch"
– Register"read"
– ALU"stages"1Z5"(incl"FP"&"mult.)"
– Write"back"
A"piranha"at"the"Memphis"zoo,"by"Alexdi,"
Creative"Commons"license"
* "“Other"studies"have"also"indicated"the"
signiXicant"performance"gains"possible"
using"this"approach"on"multithreaded"
workloads.”"(Konetira)"
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