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Benefits

  • Trusted by Industry Leaders – Used in Power10 design workflows.
  • Early Validation – Test workloads and OS scheduling before silicon.
  • Performance & Power Trade-Offs – Identify bottlenecks in cache, execution, or memory.
  • Broad Coverage – From PowerPC legacy to modern Power-class servers.
  • System-Level Exploration – Integrate with memory, accelerators, and NoCs.
  • Reduced Risk – Avoid late-stage surprises in performance or power.

The Power Processor block in VisualSim provides a simulation environment for analyzing and optimizing IBM Power architecture-based systems. It includes full support for 32-bit and 64-bit Power ISA, covering both legacy PowerPC processors (e.g., MPC750, MPC8548) and modern Power9/Power10-class CPUs. VisualSim also supports legacy Motorola PowerPC processors, ensuring comprehensive backward compatibility.

By simulating pipelines, cache hierarchies, execution cycles, and power efficiency, VisualSim allows designers to validate software workloads, OS scheduling, and system configurations before hardware deployment. Importantly, Power10 designers have successfully used VisualSim to optimize performance and power trade-offs at the architectural stage.

Key Parameters

  • Number_of_Registers – Processor register file size.
  • Processor_Speed_MHz – Clock speed.
  • Instruction_Queue_Length – Pipeline queue depth.
  • Number_of_Pipeline_Stages – Execution stages per core.

Parameter Snapshots

  • Parameter

Simulation Results

  • Pipeline Efficiency – IPC, stall cycles, hazards.
  • Cache Reports – Latency and hit/miss ratios.
  • Power Analysis – Execution speed vs. energy use.
  • System Integration – Impact of Power cores in mixed workloads.
  • Plot 1
  • Plot 2

Application

  • Servers & HPC – Multi-core Power processors in high-performance workloads.
  • Networking & Telecom – Packet processing and control planes in carrier systems.
  • Automotive & Industrial – Power ISA-based ECUs and safety-critical controllers.
  • Defense & Aerospace – Deterministic execution in real-time embedded systems.
  • Custom SoCs – Domain-specific designs using Power cores.

Integrations

  • Works with DDR/LPDDR, HBM, Flash, and NVMe controllers.
  • Connects to NoCs, PCIe, and CXL interconnects.
  • Interfaces with accelerators (GPU, NPU, DSP, FPGA) in heterogeneous SoCs.

View Demo

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