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CUDA

CUDA

3 articles tagged with “CUDA

The Silent Collapse: Deep-Stack Hardware–Software Failure Modes That Corrupt AI Systems Without a Trace

The Silent Collapse: Deep-Stack Hardware–Software Failure Modes That Corrupt AI Systems Without a Trace

A distinguished-architect deep dive into the 12 most dangerous failure modes in AI infrastructure — from silent data corruption in GPU silicon to compiler cache poisoning, memory allocator drift, and kernel-launch corruption. Includes x86/PTX assembly analysis, Mermaid flow diagrams, a full comparative triage matrix, and a 12-month engineering roadmap with new observability primitives.

Hazem Ali
Hazem Ali··47 min read
When Your LLM Trips the MMU: Page Faults, TLB Shootdowns, and the Hidden Virtual-Memory Tax of AI Inference

When Your LLM Trips the MMU: Page Faults, TLB Shootdowns, and the Hidden Virtual-Memory Tax of AI Inference

A distinguished-architect deep dive into GPU virtual memory internals, MMU fault pipelines, TLB shootdown mechanics, page-table walks, Unified Memory/HMM coherence, ATS, and why page migration turns your p99 into a hardware problem nobody on the team budgeted for.

Hazem Ali
Hazem Ali··45 minutes read
Kernel Dynamics: The Real Bottleneck of AI

Kernel Dynamics: The Real Bottleneck of AI

Why LLM inference speed is dominated by kernel execution, memory traffic, and runtime scheduling — not raw FLOPS. A deep technical guide to prefill vs decode, the Roofline model, memory walls, FlashAttention, KV cache paging, warp mechanics, and GPU pipeline design.

Hazem Ali
Hazem Ali··35 min read