0.4

• New Feature: Plugins directory to easily attach external tools to MARSS
• New Feature: Compile process scan 'config' directory for machine configuration files with .conf extension
• New Feature: Plugin support in 'mstats.py'
  • Cache Summary - Stats plugin to summarize cache stats
  • Table - Stats plugin to create table of specific nodes
• New Feature: Generate McPat XML files using marss2mcpat.py [from Jared & Jessy]
• Logging to simulation log file from VM using new ptlcall_log
• Improved memory controller bandwidth [ from Zheng Hongzhong]
• Bug fixes in fast-forwarding support
• Bug fixes in bus interconnect
• Fix issues with 'rep' instruction prefix
• Bug fix in 'mwait' instruction
• Bug fix in reading long lines from simconfig file

0.3

• Fixes in clock offset that reduces run-by-run variations significantly
• Fast-forwarding support
• Simpoint support
• Code-cleanup - removed all warnings
• Synchronization between multiple instance of Marss
• Fixes in coherence protocol to improve memory performance
• Improvements to 'run_bench.py' script

0.2.1

• QCOW2 disk image read-only mode support
• Synchronize multiple simulation instances using new ‘-sync’ option
• Important bug fixes in cache hierarchy
• Added ‘option’ configuration support to interconnects
• Separate user/kernel stats collection in Split-Phase bus module
• Bug fix in run_bench.py related to parallel simulation runs
• Increased x87 instruction threshold to print warning message

0.2

• New Statistics Collection Framework
• New Modular Core, Cache and Interconnect Framework
• Upgraded Qemu to 0.14.1 release [from Adnan]
• Atom Core Model
• MOESI Cache Model
• Switch Interconnect Model
• Machine Configuration for easy designs
• Periodic Stats Dump support [from Paul]
• Better Utility scripts
• Bug fixes related to QEMU interface
• Integrated Google Test Framework (gtest)

0.1.2

• Bug fixes in statistics collections
• Bug fix in Simple Cache Controller related to ‘memory_op_update’
• Added support for ‘POP SEG_REG’ instruction [from Jarnau]
• Fix error print when running with >3.5GB of RAM size [from Paul]
• Bug fix in ‘ptlstats’ in using ‘-subtract’ option
• Added option to execute user specified command after simulation completes [from Paul]
• Bug fix in cpuController, attached callback function to queueAccess_ signal
• Improvded code readability in cache code by replacing signal-attachment code with macro