You Thought That Was a Uniform Address Space You Were Accessing?

Description

A screenshot of a tweet reposted by 'Björkus 'No time_t to Die' Dorkus'. The tweet by Joe Fioti (@joefioti, verified, May 16) reads: 'you thought that was a uniform address space you were accessing?' above a still of Laurence Fishburne as the menacing prison gang leader from 'Mysterious Skin'/'The Matrix'-era meme usage - a bald man in dark clothing leaning forward with an intimidating grin in a dimly lit cell. Engagement shows 1 reply, 6 reposts, 72 likes, 2.2K views. The joke riffs on the movie line 'you thought that was air you were breathing?' applied to NUMA/virtual memory: what programmers treat as flat, uniform memory is actually an illusion maintained by MMUs, page tables, caches, and non-uniform memory access latencies

Common Tags

MemoryManagement LowLevelProgramming SystemsProgramming OperatingSystems CPUArchitecture CPUCache PopCultureReference Hardware

Comments

Anonymous ★ Top Pick There is no flat memory - only a TLB politely lying to you at nanosecond speed

Anonymous ★ Top Pick

There is no flat memory - only a TLB politely lying to you at nanosecond speed
Anonymous

The pointer was valid; the data was three page tables and one NUMA hop away.
@q_rsqrt 3mo

yes, and it is. computer, reserve me 128TB of address space
@SamsonovAnton 3mo

You thought your Flash ROM chip had uniform page size? 😏
@Nucradkillsrats 3mo

You think computer memory is Б̷̛̈́̓̓͒̈́̃́̽͐ ̀̅̏̎͊̍̔̈͌̍̚͝͝ ̋̐͗̃̌̇̌̾͌ ̢̧̧̨̖̭̫̝͓̟͙͖̠̮͇͓̙̙̫͕̙̼̺̣̫̫̯͕͔̣̩͖̝̟̱̮̼̱͉̀́̕͜ ̧е̷̛̛̃̓̋̍̓̂̑̐͑́́̂͗̍̓̓̅͐̉͒̈́̈́͂̄́̆̔̓̑͌̾̏̂̽̆͘̚̕͝͝ ̨̢͙̼̮͚͖̹̣̙̱̹͕͕̠̜̃́͒͜З̵͔̩̑̈̉̆̓̾̆̆̅̄̌͘͠ ̡̜̠̼̬̙̺͍̲͈̭̜͎̰̮̘̮̜̣͎̮͜Н̴ ̏́̄̍̇̀̍̐̏͗̑̓̅ ͋̋͐͊̉͝͝ ̫͉͙͕͕̻̹̺̻о̵ ͖̞͖͉̙̗̗̘͍̅̈́̓̏̒͒̅̕Г̶̢̢̛̹̪̘͇͉̘͓̩̫̯͈͓̗͎͕̪̫͊̾̐̾̉̇́͆̄̈̽̌͂̽̂́̚͝͝͝ ̖͈͜N̵̗͕̲̩͎̪̞͕̖̻̣̠͇̥̱̮͙̞̬͓̫̲̻̗͋̆͊̂̆̋̒́͗͊̇̂͑̏͐̾̍̂̽̐̍̆̆̀͌͌̔̌̀͋̍̈́̐̃̈́̄̋̕͠͝М̵̡̣̗̖̼͍̋͐̍̆̚
1. @b7sum 3mo
  
  legless?
2. @RibbonReserve 3mo
  
  No no no, it will ruin this plane of existence I'm not ready to hard reset universe again
@furry_onko 3mo

huh
@b7sum 3mo

tony the pony go away tony the pony go away tony the pony go away
@furry_onko 3mo

is that bnuuy?
@Nucradkillsrats 3mo

Kids these days strayed too far away from the legendary memes
@RibbonReserve 3mo

Master?
@Algoinde 3mo

THE NUMBER I WISH TO CALL WILL NEVER BE COMPLETED AS DIALED
1. dev_meme 3mo
  
  Should I post this meme on main though? Kinda might be inappropriate
  
  @Algoinde 3mo
  
  idk, your call i fucking love the movie
@Algoinde 3mo

ending song of the movie