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• Running gem5
  CPU Clock at 2000 MHz IntrClockFrequency=1024 <li>Start a simple test simulation</li>
  16 KB (2,431 words) - 14:57, 18 February 2019
• Configuration / Simulation Scripts
  ...code instantiates a SimpleCPU object and assigns it to the Python variable cpu: <pre>cpu = SimpleCPU()</pre>
  16 KB (2,617 words) - 12:51, 2 May 2017
• Publications
  ....wisc.edu/multifacet/papers/cal14_gem5gpu.pdf '''gem5-gpu: A Heterogeneous CPU-GPU Simulator''']. Jason Power, Joel Hestness, Marc S. Orr, Mark D. Hill, D ...'Simulation of ARM and x86 microprocessors using in-order and out-of-order CPU models with Gem5 simulator''']. Anas Ahmad Abudaqa ; Talal M. Al-Kharoubi ;
  49 KB (6,496 words) - 15:30, 23 November 2018
• CPU Models
  ...n on how all of the pipeline stages work, and how to modify and create new CPU models based on it. * [[Checker]] - Details how to use it in your CPU model.
  1 KB (214 words) - 00:36, 6 July 2011
• Code parsing
  Simple bitfield extraction can be performed on rvalues using the <code><:></code> ...ingle line of code. In addition, most of the differences between simulator CPU models lies in the operand access mechanisms; by generating the code for th
  11 KB (1,686 words) - 00:40, 6 July 2011
• Main Page
  ...common high-level ISA description. In addition, gem5 features a KVM-based CPU that uses virtualisation to accelerate simulation. ...executes real machine ISA and supports shared virtual memory with the host CPU.
  9 KB (1,267 words) - 23:36, 29 August 2018
• SPEC CPU2006 benchmarks
  # Simple configuration script system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)],
  17 KB (2,335 words) - 21:09, 17 September 2016
• InOrder ToDo List
  ** Sleep CPU w/no activity - Implemented on a coarse-grain level, but Activity object ca ...ompleted - ''Support for Micro-Ops Needed (Template code from Simple or O3 CPU?)''
  2 KB (331 words) - 11:57, 19 June 2011
• InOrder Instruction Schedules
  ...make up the instruction schedule. Ideally, changing the pipeline can be as simple as editing how a certain class of instructions operate by editing the instr * cpu.[hh,cc]
  6 KB (789 words) - 03:26, 20 January 2010
• Register Indexing
  CPU register indexing in gem5 is a complicated by the need to support multiple There are three types of register indices used internally in the CPU models: relative, unified, and flattened.
  8 KB (1,218 words) - 14:17, 18 October 2013
• Documentation
  == CPU Models == # [[SimpleCPU | Simple CPU Model]]
  4 KB (588 words) - 06:22, 28 November 2016
• Introduction
  ...M, MIPS, Power, SPARC, and 64 bit x86 binaries on CPU models including two simple single CPI models, an out of order model, and an in order pipelined model. ...binary being built. These parameters include the ISA to be supported, the CPU models to be compiled, and the coherence protocol Ruby should use. Several
  10 KB (1,731 words) - 23:32, 22 May 2015
• Source Code
  ** <b>cpu</b> - CPU models. ** <b>arm</b> - A simple ARM bootloader.
  5 KB (869 words) - 15:30, 15 May 2014
• General Memory System
  ...wns that port. For example to send a request packet in the memory system a CPU would call <code>myPort->sendTimingReq(pkt)</code> to send a packet. Each s A request object encapsulates the original request issued by a CPU or I/O device. The parameters of this request are persistent throughout th
  19 KB (3,055 words) - 12:13, 23 July 2018
• Architectural State
  A "nickle tour" of flattening and register indexing in the CPU models. ...ht available to the CPU, and beyond this point all the work is done by the CPU with no insight available to the ISA.
  3 KB (516 words) - 16:04, 18 July 2014
• ISA Parser
  ...is included in all the generated source files (decoder.cc and all the per-CPU-model execute .cc files). The header output typically contains the C++ clas #The ''exec output'' contains per-CPU model definitions, i.e., the <code>execute()</code> methods for the instruc
  23 KB (3,492 words) - 19:18, 2 February 2012
• ARM Implementation
  ...onal execution state information so facilitate the use of the generic gem5 CPU components. In addition to the standard program counter, the Thumb® vs. AR A simple bootloader for ARM is in the source tree under <code>system/arm/</code>. Tw
  3 KB (515 words) - 19:56, 7 December 2015
• ISCA 2011 Tutorial
  ...combined to provide an infrastructure capable of simulating multiple ISAs, CPU models, memory system components, cache coherence protocols and interconnec * Detailed and simple CPU models including “execute-in-execute” in-order and out-of-order pipelin
  2 KB (227 words) - 04:14, 5 June 2011
• Adding a New CPU Model
  ...how the CPU models function within the M5 framework. A good start is the [[CPU Models]] page. ...de at your heart's content without worrying about breaking any existing M5 CPU Models.
  10 KB (1,710 words) - 17:44, 19 March 2011
• TutorialScratchPad
  * CPU Models (15 minutes: ? slides) ** Detailed CPU Commonalities: TimeBuffer Communication & ThreadContext
  3 KB (342 words) - 23:11, 23 May 2011

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