Graphite release notes

Graphite 2.1.9 Release Notes

• Debian Squeeze is now required for graphite.
• Upgraded to Pin version 2.12-53271
• Only 64-bit target and host architectures supported
• 2.5-3x performance improvement
• Added Private-L1 Shared L2 memory subsystem
  • The Shared-L2 is distributed among all the tiles on the processor
  • The directory entry is placed along with the L2 cache tags
  • Both full-map and limited directories (see carbon_sim.cfg) are supported
• Changed three interface functions for the cache models
  • The changes are in fetching/storing/invalidating the cache tag
  • Allows for maintaining more accurate access counters and energy information
  • Look at Cache Interface Changes for more information and guidance on how to switch over
• Switched to using the internal Pin thread spawning interface from the os-threads interface
• Graphite is now integrated with PARSEC 3.0 with better support for compiling and running benchmarks
  • blackscholes, swaptions, canneal, fluidanimate, streamcluster work in both full and lite modes
  • freqmine works in lite mode only
• The DSENT network power modeling tool is now used (in place of Orion)
  • It models the energy of both electrical and optical on-chip networks
• Optical network model (atac)
  • Network model (atac) is integrated that uses optical links for broadcasts/long-distance unicasts
  • Both performance and power modeling for this network is done
• Lots of bug fixes

Graphite 2.0.9 Release Notes

• Support for Debian 6 Squeeze. Lenny is still the default. Edit "common/Makefile.common" to select Squeeze.
• Pin 2.10 now required.
• Version support. Graphite prints out version header in sim.out.
• Better support for multiprocess simulations.
• Miscellaneous bug fixes.