Performance Architect, CPU Cluster

Tenstorrent Inc.

. Analyze and optimize CPU cluster performance, including cache hierarchies, interconnects, coherence, and memory access behavior .

Posted 10/31/2026full-timeRemote • United StatesMid-LevelSenior💰 $100,000 - $500,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in CPU microarchitecture and performance analysis, with a strong ability to optimize multi-core CPU clusters through architectural recommendations and performance modeling. Proficient in collaborating across various engineering disciplines to enhance system performance and scalability.

Highest-signal resume keywords

CPU MicroarchitecturePerformance ModelingSimulation EnvironmentsArchitectural RecommendationsCross-Functional Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Performance AnalysisCluster-Level Performance OptimizationCache HierarchiesInterconnectsMemory SystemsLatency AnalysisBandwidth AnalysisWorkload AnalysisCoherence TrafficCore-to-Core Communication

Soft Skills

Strong CommunicationCollaboration Skills

Tools & Technologies

Gem5Simulation Environments

Certifications & Qualifications

Eligibility for U.S. Export-Controlled Technology

Industry Keywords

CPU ClustersPerformance BottlenecksScalability ChallengesQuality of ServiceUtilization

About the role

Key responsibilities & impact

Analyze and optimize CPU cluster performance, including cache hierarchies, interconnects, coherence, and memory access behavior
Build and use performance models and simulation environments such as Gem5 or equivalent
Study real workloads to identify bottlenecks involving cache misses, coherence traffic, memory bandwidth, latency, contention, and core-to-core communication
Lead architectural tradeoff studies across performance, scalability, bandwidth, latency, power, and implementation complexity
Collaborate with CPU, cache, interconnect, memory, software, compiler, RTL, and system architects
Translate performance analysis into concrete architectural and design decisions
Architect, model, and optimize multi-core CPU clusters from early performance exploration through implementation and silicon

Requirements

What you’ll need

Strong foundation in CPU microarchitecture and performance
Understanding of how cores, caches, interconnects, and memory systems interact
Experience or ability to use modeling, simulation, and workload analysis
Ability to analyze cluster-level performance bottlenecks and scaling challenges
Knowledge of latency, bandwidth, quality of service, utilization, and scalability
Ability to turn performance data into architectural recommendations
Strong communication and cross-functional collaboration skills
Knowledge of cache hierarchies, interconnects, coherence, and memory access behavior
Experience with performance models and simulation environments such as Gem5 or equivalent
Knowledge of cache misses, coherence traffic, memory bandwidth, latency, contention, and core-to-core communication
Eligibility to access U.S. export-controlled technology; employment may be contingent on citizenship/permanent residency status or obtaining prior license approval

Benefits

Comp & perks

Highly competitive compensation package and benefits
Equal opportunity employer