seniorObjective-C
How does iOS handle shared cache for system frameworks?
Updated May 17, 2026
Short answer
System frameworks are prelinked into a shared dyld cache to speed up loading.
Deep explanation
iOS uses a prebuilt shared cache containing common frameworks like UIKit and Foundation. This avoids repeated symbol resolution and reduces launch time significantly.
Unlock with a Pro subscription to view this section.
View pricingReal-world example
No real-world example available yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProCommon mistakes
No common mistakes listed yet.
Unlock with a Pro subscription to view this section.
Upgrade to ProFollow-up questions
No follow-up questions available yet.
Unlock with a Pro subscription to view this section.
Upgrade to Pro