Testing the Limits of 16 GB of RAM on a MacBook Pro

Jonathan Zdziarski, pushing back on the notion that “pro” users need more than 16 GB of RAM:

I fired up a bunch of apps and projects (more than I’d ever work on at one time) in every app I could possibly think of on my MacBook Pro. These included apps you’d find professional photographers, designers, software engineers, penetration testers, reverse engineers, and other types running — and I ran them all at once, and switched between them, making “professionally-type-stuff” happen as I go.

Here’s a list of everything I ran at once:

  • VMware Fusion: Two running virtual machines (Windows 10, macOS Sierra)
  • Adobe Photoshop CC: Four 1+gb 36 MP professional, multi-layer photos
  • Adobe InDesign CC: A 22 page photography-intensive project
  • Xcode: Four production Objective-C projects, all cleaned and rebuilt
  • Microsoft PowerPoint: A slide deck presentation
  • Microsoft Word: A 20* page document with graphics
  • MachOView: Analyzing a daemon binary
  • Mozilla FireFox: Viewing a website
  • Safari: viewing a different website
  • Preview: Three PDF books
  • Hopper Disassembler: Performing an analysis on a binary
  • WireShark: Performing a live network capture as I do all of this
  • IDA Pro 64-bit: Analyzing a 64-bit intel binary
  • Apple Mail: Viewing four mailboxes
  • Tweetbot: Reading all the flames and trolls in my mentions
  • iBooks: Currently viewing an ebook I paid for
  • Skype: Logged in and idling
  • Terminal: A few sessions idling
  • iTunes
  • Little Flocker
  • Little Snitch
  • OverSight
  • Finder
  • Messages
  • Veracrypt
  • Activity Monitor
  • Path Finder
  • Console
  • Probably a lot I’ve missed

The result? I ran out of things to do before I ever ran out of RAM. I only ever made it to 14.5GB before the system decided to start paging out, so I didn’t even have the change to burn up all that delicious RAM.

I think it’s a legitimate complaint that you can’t get a new MacBook Pro with 32 GB of RAM, but agree with Zdziarski that the practical effects of having “only” 16 GB are overblown for most typical use cases, even with “pro” software.

Monday, 7 November 2016

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