Summary: Once upon a time RapidCopy and its Windows predecessor were probably the bomb that is less true today because Apple actually writes pretty good code. Don't ask me why MultiLauncher isn't part of the App Store distribution. That capability (which is what earned the 4 stars) is what makes the app worthwhile if you want to set up a lot of copying and then let it run efficiently while you go about living your life. MultiLauncher allows you to queue up a bunch of big copy jobs that will run in series rather than in parallel. Unfortunately the only way to get BY FAR the greatest benefit from RapidCopy is to go to the vendor's site, track down the page for RapidCopy, and download the RC_MultiLauncher app. Those parameters like buffer size and whether to use one or two threads matter. But you have to need and understand them to get the benefit. But since no benchmark information is given by the vendor, they are better than nothing.)īoth RapidCopy and drag and drop seemed to outperform available versions of command line utlities like cp -r and rsync, but I did not test those extensively.Īs noted by others, RapidCopy DOES provide a bunch of additional control and insight as compared with drag and drop.
(These are by no means formal, careful benchmarks. I presume (i.e., wild guess) that's because Apple's code is clever and tells the SSD to shuffle stuff internally while RapidCopy is still reading stuff in and writing it back out. When copying from SSD to itself, drag and drop tended to clean RapidCopy's clock. (Not surprising as both are limited by write speeds on the HDD.) When copying from a HDD onto either a second HDD or the fusion I typically got about a 10% speed improvement with RapidCopy.Ĭopying from the fusion drive (effectively a SSD at this point) onto a HDD, RapidCopy and drag and drop were usually a wash. I typically got about 50% speed improvements. That keeps the drive from having to rapidly jump back and forth between read and write operations. RapidCopy does the sensible thing and copies a bunch of stuff into memory, then writes the stuff out onto disk. The place where RapidCopy gives the greatest benefit is copying from a HDD ONTO ITSELF. Copies were done among a fusion drive (essentially a SSD for current purposes) and a couple of Seagate USB3.0 external drives. (After all, the app is called RapidCopy.) I ran a bunch of rough tests using large (~100 GB) copy jobs and many (~25,000) files of varying sizes. Think of it like driving a stick instead of an automatic.įirst, copy speed.
This app is a mixed bag, depending on what matters to you and whether you understand what is going on well enough to make it work for you.
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