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Newest blog posts

2023-07-18 2023 Mac Pro M2 Ultra: Dropping CPU Performance at 3 or more CPU Cores

2023-02-17 Apple 2022 MacBook Pro M2 Max: How Much Faster than 2021 MacBook Pro M1 Max?

2022-07-14 Apple Core Rot: Invasive Spotlight Indexing Impairs Use of Your Mac

2022-06-25 Scalability of Focus Stacking: Apple Mac Studio M1 Ultra vs Apple 2019 Mac Pro 28-Core XEON W

2021-10-29 How to More than Double I/O Speed for Validation of Data Integrity of Large Amounts of Data (IntegrityChecker)

2021-10-20 Can the Apple M1 Max chip be Scaled to 25 CPU Cores and 80 GPU Cores by late 2022 via TSMC 3nm Technology?

2021-10-16 macOS: 3+ CPU Cores for up to several minutes after Rebooting

2020-01-19 Insanely Fast Data Integrity Checking with diglloydTools IntegrityChecker Java

2020-01-05 2019 Mac Pro: Detailed Analysis of Phase One Capture One 20 Performance, GPU and CPU Utilization

2020-01-04 Apple 2019 Mac Pro: MUCH Slower CPU Cores than 2019 iMac 5K, but Lots More of 'em

View all related blog posts...

Most recent pages at other diglloyd sites:

See also 20 pages at diglloyd.com

2022-01-22 Beware of Claims for Apple MacBook Pro M1 Max Speed Gains Over Intel! OpenCL on/off can be win/lose

2020-01-27 What is the Maximum Performance Gain for 12 vs 16 vs 24 vs 28 CPU Cores for the Apple Mac Pro? (Intel Xeon W-3245 etc)

2020-01-10 Phase One Capture One 20: Negligible CPU Core Utilization while Importing Images, Regenerating Previews + Inscrutable GPU Usage

2020-01-05 2019 Mac Pro: Detailed Analysis of Phase One Capture One 20 Performance, GPU and CPU Utilization

2019-11-29 Choosing a Computer for Advanced Photography (December 2019)

2019-11-20 Thoughts on Choosing Between the Apple 2019 Mac Pro vs 2019 MacBook Pro 16-Inch and Expected 2020 iMac Pro

2019-10-01 Incredible Image Upscaling with Gigapixel AI (October 2019)

2019-09-20 Upscaling/Uprezzing Images: Gigapixel AI Stuns Versus Photoshop Upscaling

2019-06-23 At a Glance: Why the 2019 iMac 5K Rocks for my Photo Work, and Why the GPU is Much Less Important than 8 Fast CPU Cores

2019-05-27 My Experience with the 2019 iMac 5K So Far

2019-04-08 Adobe Camera Raw Enhance Details Feature: Integrated into my Workflow... How Much Does it Use the GPU?

2018-12-20 Apple 2018 Mac mini: Substantial Performance Gain over the Fastest 2017 iMac 5K

2017-12-20 iMac Pro Models for Photographers

2017-11-24 Reader Comments on my “Why I Probably Will Never Buy a Mac Pro Again” post: More CPU Cores and Dual GPUs vs Single GPU (and performance with PhaseONE CaptureOne Pro)

2016-08-04 NEW! Cross Platform Java-Based diglloydTools IntegrityChecker

Apple 2023 Mac Pro M2 Ultra

World’s fastest desktop?.

  1. 2023 Mac Pro M2 Ultra: Memory Bandwidth
  2. 2023 Mac Pro M2 Ultra: Per CPU Performance Variation
  3. 2023 Mac Pro M2 Ultra: Assemble Panorama
  4. 2023 Mac Pro M2 Ultra: Zerene Stacker Focus Stacking

Apple 2022 Apple Studio M1 Ultra

Fastest Mac Yet?..

  1. 2022 Mac Studio M1 Ultra: Memory Bandwidth
  2. 2022 Mac Studio M1 Ultra: SHA512 Hashing Speed Scalability
  3. 2022 Mac Studio M1 Ultra: IntegrityChecker Java, Verify
  4. 2022 Mac Studio M1 Ultra: diglloyd Adobe Photoshop Benchmarks
  5. 2022 Mac Studio M1 Ultra: Zerene Stacker Focus Stacking
  6. 2022 Mac Studio M1 Ultra: CPU Core Scalability (Focus Stacking, Zerene Stacker)

Apple 2022 MacBook Pro M2 Max

World’s fastest laptop, beats nearly all desktops..

  1. 2022 MacBook Pro M2 Max: Memory Bandwidth
  2. 2022 MacBook Pro M2 Max: SHA512 Hashing Speed
  3. 2022 MacBook Pro M2 Max: Assemble Panorama
  4. 2022 MacBook Pro M2 Max: Zerene Stacker Focus Stacking

Apple 2021 MacBook Pro M1 Max

Trouncing Intel-based laptops and desktops alike..

  1. 2021 MacBook Pro M1 Max: Memory Bandwidth
  2. 2021 MacBook Pro M1 Max: Assemble Panorama
  3. 2021 MacBook Pro M1 Max: Photoshop Filters
  4. 2021 MacBook Pro M1 Max: Zerene Stacker Focus Stacking

Apple iMac 5K (October 2020)

Rocking fast iMac with 8 cores and up to 128GB..

  1. 2020 iMac 5K: diglloyd Adobe Photoshop Benchmarks
  2. 2020 iMac 5K: Zerene Stacker Focus Stacking
  3. 2020 iMac 5K: Recommended Models and Accessories

Apple iMac 5K (March 2019)

Rocking fast iMac with 8 cores and up to 128GB..

  1. 2019 iMac 5K: IntegrityChecker Verify

Apple Mac mini (November 2018)

True desktop-class performance..

  1. 2018 Mac mini: IntegrityChecker Verify
  2. 2018 Mac mini: Adobe Lightroom Import/Export

Apple Mac Pro (December 2019)

Workhorse desktop tower..

  1. 2019 Mac Pro: Memory Bandwidth
  2. 2019 Mac Pro: IntegrityChecker Verify
  3. 2019 Mac Pro: Lightroom Import/Export
  4. Phase One Capture One 20: Export to JPEG (Phase One IQ4)
  5. 2019 Mac Pro: Focus Stacking with Zerene Stacker, 28 X 45-Megapixel Nikon D850 TIF

Apple MacBook Pro Retina 16-inch (October 2019)

Desktop Class Performance, memory, SSD..

  1. 2019 MacBook Pro 16-inch: Sustained CPU Usage vs Performance
  2. 2019 MacBook Pro 16-inch: Memory Bandwidth
  3. Capture One 20: Export to JPEG (Phase One IQ4)

Apple MacBook Pro Retina (July 2018)

Vastly improved performance over 2017 model, 6 CPU Cores..

  1. 2018 MacBook Pro: Real World Photoshop: Make Multi-Res Image Series
  2. 2018 MacBook Pro: IntegrityChecker Verify

Apple MacBook Pro Retina (late 2016)

Touchbar, wide gamut, unrivalled SSD..

  1. 2016 MacBook Pro: Adobe Lightroom Import RAW Files with 1:1 Previews

Apple 12-Inch MacBook (2016)

An iPad-sized laptop, refreshed..

  1. 2016 Apple MacBook: CPU Utilization during Network File Copying
  2. 2016 Apple MacBook: IntegrityChecker Verify Hashes

OWC Thunderbay 4 Mini

High performance with 2.5-inch hard drives or SSDs..

  1. CPU Usage for RAID-0 vs RAID-4 or RAID-5

Drobo 5D with Thunderbolt or USB3

RAID reliability in easy to configure 5-drive enclosure for full-size hard drives..

  1. Drobo 5D — Excessive CPU Utilization

Apple 2017 iMac Pro

High-end computing moves to the iMac form factor..

  1. 2017 iMac Pro: Scalability with CPU-Intensive, Memory-Intensive and Mixed Workload
  2. 2017 iMac Pro: CPU Cores, Clock Speed, Turbo Boost
  3. 2017 iMac Pro: Integrity Checker Verify
  4. 2017 iMac Pro: diglloyd Photoshop Benchmarks
  5. 2017 iMac Pro: Phase One Capture One Pro
  6. 2017 iMac Pro: XCode Build C++ Project

Apple 2017 iMac 5K

Even better than the 2015 model..

  1. iMac 5K: Integrity Checker Verify
  2. 2017 iMac 5K: XCode Build C++ Project

Apple 2015 iMac 5K

5K Display, blazingly fast SSD.

  1. iMac 5K (Late 2015) vs Mac Pro: Integrity Checker Verify
  2. iMac 5K (Late 2015) vs Mac Pro: PhotoZoom Pro
  3. iMac 5K (Late 2015) vs Mac Pro: XCode Build diglloydTools

Apple 2014 iMac 5K

World’s first 5K Display.

  1. iMac 5K vs Mac Pro, Integrity Checker Verify

Apple Dec 2013 Mac Pro

Choosing among 4/6/8/12 cores, GPUs, memory, flash..

  1. 2013 Mac Pro: Choosing the CPU
  2. 2013 Mac Pro: How Many Cores for Your Workflow?
  3. 2013 Mac Pro: 4 CPU Cores Can Constrain Your Workflow
  4. 2013 Mac Pro: Algorithms and Performance

2013 Mac Pro Performance

Performance of the 2013 Mac Pro..

  1. 2013 Mac Pro: DxO Optics Pro Raw-to-TIF
  2. 2013 Mac Pro: Assemble Panorama in PTGuiPro

How To Guides

How to perform useful tasks and upgrades..

  1. How to Disable CPU cores

Easy Thunderbolt Networking (10 Gigabit)

Networking as fast as an SSD!.

  1. Thunderbolt 10-Gigabit Networking: Real World Performance

Upgrading Your Mac

When and Why to Upgrade Your Mac..

  1. Upgrading the Mac Pro CPU

Optimizing Photoshop CS6 / Creative Cloud Performance

Preferred configuration for best performance..

  1. Are 12 CPU Cores Faster Than 6 with Photoshop CS6?

Strange but True: Photoshop CS5 Performance

What you should know about CS5 performance..

  1. More CPU Cores Can Be Slower

Optimizing Photoshop CS5 Performance

The best hardware and configuration for Photoshop CS5..

  1. Speed Up Saving and Opening Photoshop CS5/CS4/CS3 Files
  2. Analysis of Photoshop CS5 CPU Core Usage

Optimizing Photoshop CS4 Performance

How to configure a Mac to maximize Photoshop CS3/CS4 performance..

  1. Test results for Photoshop CS4 on Mac Pro

Optimizing Other Photography Software

Speedups for working with images..

  1. Optimizing Adobe Lightroom
  2. Optimizing Canon Digital Photo Professional

Optimizing Mac Performance

Learn about Activity Monitor and understand how CPU cores, processes, memory use, and software scalability affect performance..

  1. Optimizing your Mac: Quit Vampire Programs

Optimizing Video/DVD and Other Software

How to make your software run faster on the same hardware!.

  1. Optimizing Adobe After Effects
  2. Optimizing Handbrake for Faster Video Conversion

Mac Performance 101: Cores, Processes, Memory

Monitoring tips and application CPU core scorecard..

  1. Analyzing System Performance in OS X Mavericks
  2. Monitoring CPU and CPU Core Usage
  3. CPU Cores Explained
  4. Application support for multiple CPU cores
  5. Scalability — multi-core performance

Choosing and Configuring a Mac

An in-depth look at how to find the right Mac setup for you.

  1. How to Choose a Mac
  2. How to Select and Configure a Mac Pro

OS X 10.9 Mavericks

Significant changes and issues in OS X 10.9 Mavericks.

  1. OS X Mavericks: Compressed Virtual Memory (Big Win)

Apple July 2010 iMac 27-inch Quad-Core

Just how fast is Apple’s new quad-core iMac?.

  1. 2010 Quad-Core iMac Performance (Introduction)

Apple Mac Pro Westmere 4/6/8/12-Core (Aug 2010)

Choosing among 4/6/8/12 cores, and is 2010 Mac Pro faster or better than 2009 model?.

  1. Which Mac Pro CPU for Photography, Video, Sound?
  2. Mac Pro Westmere Clock Speed, Cores, and Cache
  3. 2014 Update: Adobe Photoshop CC Scalability
  4. When More Is Less: Photoshop Slower With 12 Cores Than 6
  5. Mac Pro Westmere Estimating CPU Performance
  6. Mac Pro Westmere Photoshop Performance: diglloydSpeed1
  7. Mac Pro Westmere Photoshop Performance: diglloydMedium
  8. Mac Pro Westmere Photoshop Performance: diglloydHuge
  9. Mac Pro Westmere Photoshop CS5 Panorama (Auto Align and Auto Blend)
  10. Mac Pro Westmere Performance with PhotoZoom Pro
  11. Mac Pro Westmere Performance with Helicon Focus
  12. Mac Pro Westmere Performance with PTGui Pro
  13. Mac Pro Westmere Performance with Adobe After Effects

Optimizing Mac Application Performance

Optimizing specific application performance..

  1. Optimizing Developer Builds Performance

Apple iMac 3.4 GHz (Late 2012)

Apple’s fastest Mac as of Jan 2013?.

  1. Photoshop CS6 Performance — diglloydSpeed1
  2. Photoshop CS6 Performance — Auto Align Layers

Apple 12-Inch MacBook (2015)

An iPad-sized laptop..

  1. 2015 Apple MacBook: IntegrityChecker Verify Hashes

Drives and Expansion and Various

Reviews of various hardware and software..

  1. 2009 Apple MacBook Pro unibody 17

Mac Pro Early 2009 (Nehalem)

Configuring and optimizing..

  1. Mac Pro Nehalem Scalability
  2. Mac Pro Nehalem: Dual vs Single CPU
  3. Mac Pro Nehalem Tests: Memory and Compute Speed
  4. Mac Pro Nehalem Tests: RAW-file Converters

Blog posts

2023

2023-07-18 2023 Mac Pro M2 Ultra: Dropping CPU Performance at 3 or more CPU Cores

2023-02-17 Apple 2022 MacBook Pro M2 Max: How Much Faster than 2021 MacBook Pro M1 Max?

2022

2022-07-14 Apple Core Rot: Invasive Spotlight Indexing Impairs Use of Your Mac

2022-06-25 Scalability of Focus Stacking: Apple Mac Studio M1 Ultra vs Apple 2019 Mac Pro 28-Core XEON W

2021

2021-10-29 How to More than Double I/O Speed for Validation of Data Integrity of Large Amounts of Data (IntegrityChecker)

2021-10-20 Can the Apple M1 Max chip be Scaled to 25 CPU Cores and 80 GPU Cores by late 2022 via TSMC 3nm Technology?

2021-10-16 macOS: 3+ CPU Cores for up to several minutes after Rebooting

2020

2020-01-19 Insanely Fast Data Integrity Checking with diglloydTools IntegrityChecker Java

2020-01-05 2019 Mac Pro: Detailed Analysis of Phase One Capture One 20 Performance, GPU and CPU Utilization

2020-01-04 Apple 2019 Mac Pro: MUCH Slower CPU Cores than 2019 iMac 5K, but Lots More of 'em

2019

2019-12-18 2019 Mac Pro: Most likely Slower than 2019 iMac 5K Unless Gobs of Memory or GPU or CPU Cores are Used

2019-05-02 How Much are GPU and CPU Cores used by Adobe Camera Raw Enhance Details?

2019-05-02 How Much are GPU and CPU Cores used by Photoshop Filters?

2019-02-09 Apple 2017 iMac 5K is a Terrific Machine, but Too Often It Impedes My Work

2019-01-11 My Days of 4 CPU Cores Are Over: Six Cores is Dubious for My Work, 8 CPU Cores Might Have to Be the New Minimum + Might Need 8TB SSD

2018

2018-12-20 Apple 2018 Mac mini: Substantial Performance Gain over the Fastest 2017 iMac 5K

2018-07-28 Reader Comment: Which Mac for Video?

2017

2017-12-24 diglloydTools Updated to v 2.2.15, IntegrityChecker Sees up to 38% Speed Improvement

2017-12-23 Why More CPU Cores Often Run no Faster, and Sometimes Slower than Fewer CPU Cores

2017-12-23 Turbo Boost and the Intel Xeon W CPUs in the Apple iMac Pro

2017-12-18 4-Core CPUs do not Leave Much Grunt for Other Tasks: Cloning Can Use all Available CPUs in a 4-Core Mac

2017-12-03 4-Core CPUs are Easily Maxed-Out with a Few Simple Tasks

2017-10-22 Apple Kernel Bug? 2015 iMac 5K Runs at 0.8 GHz When Cold, Even with Warm Air Out Rear Vents

2017-08-11 MacOS Bug: Kernel Task Uses Most or All CPU Cores Continuously (Ambient Temperature Too High)

2017-07-18 2017 iMac 5K: XCode Build C++ Project

2017-07-16 Adobe Lightroom Performance: Inefficiencies Could be Fixed

2017-06-07 Assessing the Dec 2017 Apple iMac Pro

2017-01-03 Desktop CPU Performance at a Standstill?

2016

2016-11-01 2016 MacBook Pro: What Options I Ordered, and Why

2016-11-01 2016 MacBook Pro: the 16GB Memory Limit in the + CPU Speed vs Other Macs

2016-08-04 NEW! Cross Platform Java-Based diglloydTools IntegrityChecker

2016-05-31 What a Bad Hard Drive Fails Like when Running diglloydTools 'fill-volume'

2016-05-26 Zerene Stacker: Good Example of a Program that Uses all the CPU Cores

2016-05-18 Apple 2016 MacBook: CPU Utilization During Network File Copy

2016-05-09 Photoshop CC 2015 Now Uses all the CPU Cores for RAW-File Conversion

2016-04-08 SSD Performance: Sufficiency for the CPU Cores

2016-03-27 What a Bad Hard Drive Fails Like when Running diglloydTools 'fill-volume'

2016-01-24 diglloydTools Updated to version 2.2.13

2015

2015-12-05 diglloydTools Updated to version 2.2.12

2015-12-05 iMac 5K (Late 2015) vs Mac Pro: XCode Build diglloydTools

2015-11-13 Testing Hard Drive Consistency for a RAID

2015-10-07 diglloydTools: Working Fine on El Capitan

2015-09-05 Testing Multiple Drives for Consistency for a RAID , or just Finding Dud or Flaky Drives in a Batch

2015-08-11 Testing Multiple Drives for Consistency for a RAID or Similar

2015-07-05 diglloydTools for Testing Drives, Data Integrity, Wiping Sensitive Files

2015-02-28 diglloydTools Updated to version 2.2.11

2015-02-22 An Example of When More CPU Cores Mean Responsive vs Sluggish

2015-01-09 Testing Multiple Drives for Consistency for a RAID or Similar

2014

2014-12-04 diglloydTools Updated to version 2.2.11

2014-11-21 diglloydTools Updated to version 2.2.9

2014-11-12 diglloydTools Updated to version 2.2.8

2014-10-10 Photoshop and CPU Core Usage

2014-08-29 diglloydTools Updated to version 2.2.7b

2014-07-15 diglloydTools Updated to version 2.2.7a

2014-06-08 Testing Multiple Drives for Consistency for a RAID or Similar

2014-06-08 diglloydTools Updated to version 2.2.7b1

2014-05-25 CPU Cores: Specifics Matter

2014-05-06 diglloydTools Updated to version 2.2.5

2014-01-21 2013 Mac Pro: DxO Optics Pro and Scalability with more CPU Cores

2014-01-17 2013 Mac Pro: 6 or 8 CPU Cores?

2014-01-13 Adobe Photoshop CC and CPU Cores: Does not Scale For Common Operations

2014-01-12 Adobe Photoshop CC Using More Cores Than Ever Before (NOT!)

2014-01-12 2013 Mac Pro: How Many CPU Cores for Your Workflow?

2013

2013-12-28 2013 Mac Pro: Costly but Worth It? Or Costly and Slower?

2013-12-18 2013 Mac Pro: Which CPU and GPU?

2013-10-22 Notes on the Apple 2013 Mac Pro

2013-04-06 Why is a MacBook Pro Retina Faster for Photography than a 12-Core Mac Pro?

2012

2012-05-28 Using all 12 CPU Cores

2011

2011-07-20 Apple’s July 2011 MacBook Air

2011-06-24 Final Cut Pro X Usage of CPU Cores and Memory

2011-05-17 Upgrade Your Mac Pro to 3.46 GHz or Up to 12 CPU Cores

2011-05-13 Update on Photoshop CS5 DisallowFlateCompressedPSD.plugin

2011-03-15 How to Get a Mac Pro at 3.46 GHz with 6 or 12 CPU Cores

2011-02-04 Mac Pro: How Many CPU Cores?

2011-01-27 When More Is Less — 12 CPU Cores are Slower Than 6 CPU Cores with Photoshop

2010

2010-09-10 Photoshop CS5 Scalability and Low-hanging Fruit

2010-09-02 Upgrade Your Mac Pro CPU to 3.33GHz and/or More CPU Cores!

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