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CPU Cache Subsystem Micro-Architect

CPU Cache Subsystem Micro-Architect

SproutsAISan Jose, CA, United States
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Actively hiring

Job type : Full-time

Department : Workplace type :

On-site

Experience : 15 - 18 years

About Us

We`re a fast-growing CPU IP team building next-generation chips for Physical AI, Networking, and custom compute platforms. We`re lean, highly technical, and focused on accelerating innovation across all levels of the design stack. If you`re passionate about automation, infrastructure, and silicon scalability, you`ll thrive here.

About the Role

We are seeking for an experienced CPU Cache Sub-system Micro architect. Responsible for delivery of micro-architecture specifications of cutting-edge high performance, highly scalable multi-core, multi-thread, power-efficient CPU Cache sub-system. The candidate will be responsible for all aspects of the design including Functional Features, Performance, Power, and Area.

Key Responsibilities

  • Define, own, and deliver detailed micro-architecture specifications for coherent cache sub-system
  • Implement Product and Architecture requirements
  • Define and analyze performance modeling studies for cache subsystem design choices
  • Feasibility studies for Micro-architecture to RTL implementation
  • Hands-on RTL design for critical functional blocks
  • Hands-on experience with synthesis tools for micro-architecture trade-off analysis
  • As part of highly configurable CPU IP, configure Features Development, assessment, and refinement of parameterizable RTL design to target power, performance, area, and timing goals
  • Perform Functional verification support and assist in the design verification strategy
  • Assist with the verification of RTL design performance goals
  • Partner with a multi-functional engineering team to implement and validate physical design aspects of timing, area, reliability, testability, and power
  • Assist with triaging, debugging and root causing functional and performance validation of the design on emulation and,or FPGA systems

Minimum Qualifications

  • 15+ years of experience in coherent cache subsystem CPU Micro-architecture and RTL Design
  • Hands-on experience in shared L2,L3,LLC coherent cache micro-architecture, cache controller, tag, data and valid RAM design, cache pipeline, MESI or MESI-variant coherency protocols, coherent bus architecture and design like ACE, CHI, TileLink
  • Must have gone through a complete development cycle for high performance CPU for twice or more times
  • Experience in design with multiple power domains and clock domain crossings
  • Experience with FinFET SRAMs and their behavioral models
  • High quality micro-architecture documentation and communication skills
  • Proficiency in System Verilog, Verilog and,or VHDL
  • Experience with simulators and waveform debugging and RTL bug fixes
  • Knowledge of logic design principles along with timing, latency, bandwidth and power implications
  • B.S. or higher in Computer Science, Electrical Engineering, or related field
  • Preferred Qualifications

  • Experience with designing RISC-V, ARM, and,or MIPS CPU
  • Experience with Hardware multi-threading, virtualization, and SIMD designs
  • Experience with real-time microcontroller designs
  • Understanding of high-performance techniques and trade-offs in a CPU microarchitecture
  • Understanding of low-power microarchitecture techniques
  • Understanding of RAS (Reliability, Availability and Serviceability) concepts
  • Experience with Git and experience managing automated Jira flows triggered by source control activity
  • Experience using Python, Perl scripting
  • Understanding of CPU integration at SoC level
  • Understanding of Safety and Security microarchitecture
  • Experience with technical interaction with external vendors and,or customers
  • What You`ll Get

  • A seat at the table in a small, high-impact team
  • Opportunity to build high performance, power-efficient cache subsystem micro-architecture
  • Competitive salary + stock grants
  • Flexible hours
  • A dynamic work environment that values speed, autonomy, and engineering excellence
  • #J-18808-Ljbffr

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