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2023 Mac Pro M2 Ultra: IntegrityChecker Java, Verify
Related: 2019 iMac 5K, 2019 Mac Pro, 4K and 5K display, Apple 2023 Mac Pro M2 Ultra, Apple Silicon, data integrity, diglloydTools, iMac, iMac 5K, IntegrityChecker, laptop, Mac Pro, MacBook, MacBook Pro, Macs, SSD
Please buy your gear at B&H Photo and OWC/MacSales.com using any link from this site.
Consult with Lloyd, to design a complete system for photography or similar including backup and data safety
MPG tested the Apple Mac Pro with M2 Ultra #Z171000US 192GB/4TB/60GPU. 76 GPU/8TB SSD are options.
About
Cross-platform (any computer with Java), IntegrityChecker Java runs SHA512 hashes on files to maintain data integrity checks. All professionals should be using it to validate their data. Especially when random “land mine” bugs in new macOS releases pop up, such as macOS Finder silent data-loss risks and outright bugs when copying files.
Or bad memory or bit rot (rare but real), etc.
The verify command of diglloydTools IntegrityChecker utilizes all CPU cores as efficiently as any application ever can, using sophisticated I/O algorithms to feed data to the CPU as fast as the OS can go. Performance will thus be gated by I/O speed unless all CPU cores are fed data fast enough to be fully utilized.
If below are out of date: view current Mac wishlist and all current OWC wishlists.
Results
The results here are limited by SSD speed, which is slower on the Intel Macs.
The 2019 Mac Pro can hash at 12+ GB/sec on a faster SSD, but its results as shown here are on its Apple internal SSD, which maxes-out at ~3.4GB/sec.
The 2023 Mac Pro M2 Ultra can hash at an astounding 29 GB/sec, but no SSD of any kind can run that fast. Pity that Apple did not see fit to “pro” the Mac Pro vs its siblings by doubling its internal SSD speed.
