geometry	margin=1in
author	Victor Cionca
title

Code for the MTU "SOFT8043 Systems performance at scale" module.

Contents

• key value store in several iterations showing optimisations for
  • minimising cache misses
  • maximising user-space to kernel-space throughput
  • maximising network throughput per core
• example code for
  • cache optimisation
  • zero-copy system calls
  • network throughput.

Optimising for memory access

• data structures used in the k-v store

Optimising for user-kernel space throughput

• sending data back to the user from the k-v store
  • basic TCP Socket
  • asyncio, zero copy (MSG_ZEROCOPY)

Optimising for networking

• multi-threaded execution of the k-v store