cppvalleyC++ · Systems · Low Latency · HFT
HFT Core Systems

HFT CORE SYSTEMS

Shared memory IPC with explicit ownership

Lesson 29 of 96Phase 03: Linux determinism
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The written objectives and hands-on lab are available now.

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Learning objectives

What you should understand

  1. Design shared-memory layout and initialization
  2. Define producer, consumer and recovery ownership
  3. Handle visibility without pointer-invalid assumptions

Lab

Hands-on exercise

Build a fixed-layout shared-memory message channel.

Deliverable

Evidence of completion

A protocol note with layout, lifecycle and crash-recovery rules.

Prerequisite
EP 28

Phase 03

Linux determinism

Full curriculum
21Scheduler classes and real-time hazards22Affinity, topology, SMT, and migration23CPU isolation as a system configuration24Interrupts, NAPI, softirqs, and NIC queues25Memory locking and prefaulting26Power management, turbo, C-states, and thermal behavior27Finding OS noise with rtla, ftrace, and perf28System calls and context switches are different things29Shared memory IPC with explicit ownership30cgroup v2, cpusets, memory nodes, and least privilege31Asynchronous logging: page cache, direct I/O, and io_uring32Phase gate: reproducible low-jitter host profile