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Apple's new Processor Trace instrument is incredible
The new Processor Trace instrument has flown under the radar with this years WWDC announcements but many developers will find it truly indispensable.
The problem is that VTune is complex, requires a steep learning curve, and isn’t exactly designed for typical iOS or macOS app development workflows. Having detailed processor traces is great in theory, but if the insights don’t translate to meaningful performance improvements, it’s just interesting data. Early reports and my own testing suggest it’s genuinely useful for finding performance bottlenecks that other tools miss, but it’ll take time to see how it fits into regular development workflows with complex code.
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