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A comment on Swift at Apple: Migrating the Password Monitoring Service from Java. Parent comment

Re:Swift at Apple: Migrating the Password Monitoring Service... by rs186 on Tuesday June 03, 2025 @03:43PM (#44173852)
Yes! The post would have been much more informative if it did an in-depth analysis of where the performance gain comes from. But Apple being Apple, I don't think they'll ever want to expose details on their internal systems, and we probably can only get such hand wavy statements.
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Re:Swift at Apple: Migrating the Password Monitoring Service... by MBCook on Tuesday June 03, 2025 @05:03PM (#44174709)
I suspect that didn’t fit into the goal of the blog post.

I don’t think it’s meant to be a postmortem on figuring out what was going on and a solution, but more a mini white paper to point out Swift can be used on the server and has some nice benefits there.

So the exact problems with the Java implementation don’t matter past “it’s heavy and slow to start up, even though it does a good job”.

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