• How Uber, OCI™, and Ampere® Co-Optimized OCI AmpereOne® M A4 Compute 15 December 2025 / GlobalIntroduction At Uber, we innovate where software meets hardware, building a deep understanding of our workloads so we can shape infrastructure around how we actually consume compute, not how we provision it. • This starts at the silicon layer, where we now collaborate with chip providers to optimize silicon and tailor OCI (Oracle Cloud Infrastructure™), instance configurations for Uber’s real workloads. • Uber’s migration to Arm-based cloud infrastructure exemplifies deep cross-company collaboration that harnesses the strengths of OCI, Ampere Computing, and Uber Engineering. • In February 2023, Uber began transitioning from on-premise data centers to the cloud using OCI and Google Cloud Platform™, taking on the dual challenge of shifting massive workloads and introducing Arm-powered compute instances into a previously x86-dominated environment, supporting thousands of microservices and storage databases. • OCI’s leadership in adopting Ampere Arm-based processors reflected a strategic decision to drive cloud efficiency, with Ampere offering higher performance per watt, reduced energy consumption, and greater compute density-factors that benefit hyperscale providers and their enterprise customers. • For Uber, partnering with OCI and Ampere brought the dual advantages of energy efficiency and hardware diversity, aligning with Uber’s sustainability goals and supporting operational flexibility in a

Article Summaries:

  • Uber, Oracle Cloud Infrastructure (OCI), and Ampere Computing have jointly developed the OCI AmpereOne M A4 compute instance family to accelerate Uber’s migration from on‑premise data centers to a cloud‑native, Arm‑based environment. The partnership began in 2023 when Uber shifted large workloads to OCI and Google Cloud, introducing Arm‑powered instances into an x86‑dominated stack. Over 24 months, the teams addressed silicon‑level and infrastructure challenges, optimizing performance‑per‑watt and compute density. The new A4 family incorporates lessons from earlier A1/A2 models, delivering improved price‑performance and energy efficiency for Uber’s microservices and database workloads while supporting multi‑architecture operations.

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