One Pool, Many Engines: The Architecture of Apple Silicon
Apple Silicon's defining choice is one shared memory pool for CPU, GPU, and Neural Engine. This diagram maps that fabric, the on-package bandwidth it buys, and the scaling limits it imposes.
Loading…
Topic
3 posts about Apple. Every summary links to the original.
See the idea
Apple Silicon's defining choice is one shared memory pool for CPU, GPU, and Neural Engine. This diagram maps that fabric, the on-package bandwidth it buys, and the scaling limits it imposes.
Apple integrations are boundary designs: native capability, server-side mapping, and trust checks must meet a platform-agnostic product layer. See where each responsibility belongs.
The Good Stuff
Paid picks we use ourselves. Links carry a referral code — a subscription through one earns us a commission at no extra cost to you.
Newest first
Displaying a company logo in Apple Mail can improve inbox recognition, trust, and visual distinctiveness, while cited studies associate logos with higher brand recall, open rates, purchase likelihood, and email confidence. The article presents Apple Branded Mail, a proprietary format shipped in iOS 18.2 in 2024, as a free alternative to inconsistent provider settings and the paid certificates and trademarks sometimes needed for broad BIMI coverage. Setup begins with a DMARC policy of p=quarantine or p=reject, then uses Apple Business Connect to add a brand, upload a PNG, HEIF, or JPEG logo at least 1024 × 1024 pixels, select domains, and verify identity. Verification can take up to seven business days; root-domain branding covers unconfigured subdomains, while brands needing broader client coverage are directed to BIMI.
Cursor is now available on iPad for all paid plans, extending its mobile workflow for creating, reviewing, and merging pull requests. The iPad layout uses the larger display with pinned sidebar chats, split-screen review alongside chat, full-file diffs, and expanded markup that supports screenshot comments and Apple Pencil drawing. On both iPhone and iPad, the review screen covers the full PR, including comments, checks, approvals, reviewer changes, and prompts to an agent to resolve comments. An Inbox organizes active work, attention items, and PRs under review, while additional updates add Bitbucket and Azure DevOps SCM support, multi-PR sessions, and in-app switching between teams.
Uber integrated Apple’s Verify with Wallet API into its cross-app Identity Verification Platform to support government-backed digital IDs across driver onboarding, age-gated ordering, and car rental use cases. The central challenge was allowing each use case to request only its Apple-approved identity data while operating through a scalable, platform-agnostic service rather than separate integrations. Server-side configurations map Uber identity models to PassKit objects, set one-time or persistent storage intent, and validate responses using HPKE decryption, CBOR payloads, session transcripts, MSOs, device signatures, and issuer certificate chains under ISO/IEC 18013-5. A registry of IACA certificates, sourced from jurisdictional portals and AAMVA’s VICAL, supports overlapping certificate rotations, while the platform is intended to accommodate new document types and cross-platform digital credential integrations.
The best engineering reads, once a week.