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Applications Mapping onto Architectures Andrew Mihal 6/6/2002 1 Application Parallel Router MITs CLICK framework Parallel structure of application revealed in high-level block diagram prototype Lookup & Route 0 Port 0 Port 1 Packet Intake Lookup & Route 1 Lookup & Route 2 Port n Packet Push/Pull Route Tables (SRAM) 2 Packet Forward 1 The IXP1200 Network Processor Engines...
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Applications Mapping onto Architectures
Andrew Mihal 6/6/2002
1
Application Parallel Router
MITs CLICK framework Parallel structure of application revealed in high-level block diagram prototype
Lookup & Route 0
Port 0 Port 1
Packet Intake
Lookup & Route 1
Lookup & Route 2
Port n
Packet Push/Pull
Route Tables (SRAM)
2
Packet Forward
1
The IXP1200 Network Processor
Engines
ARM Core
Buses
Heterogeneous processing elements Diverse communications architecture Complex memory interfaces
3
Design Space Exploration
Y-Chart: iterative methodology for hardware/software co-evolution Architecture Instance Mapping
Use different mapping strategies
Applications Applications Applications
Performance Analysis
Suggest architectural improvements
Modify the applications
Performance Numbers Key step is mapping: obtain an implementation of the app...
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