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Nasal GC Musings: Difference between revisions
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Additionally, by using a generational garbage collector, you can reduce the impact of long-lived objects on the garbage collector's performance. In a traditional mark/sweep garbage collector, long-lived objects can cause the garbage collector to spend a significant amount of time scanning through the entire program's memory, even if most of the objects in memory are short-lived and eligible for collection. With a generational garbage collector, long-lived objects are only scanned during the initial collection of the youngest generation, after which they are moved to older generations and are not scanned as frequently. This can further improve the performance of the garbage collector and reduce its impact on the program's overall performance. | Additionally, by using a generational garbage collector, you can reduce the impact of long-lived objects on the garbage collector's performance. In a traditional mark/sweep garbage collector, long-lived objects can cause the garbage collector to spend a significant amount of time scanning through the entire program's memory, even if most of the objects in memory are short-lived and eligible for collection. With a generational garbage collector, long-lived objects are only scanned during the initial collection of the youngest generation, after which they are moved to older generations and are not scanned as frequently. This can further improve the performance of the garbage collector and reduce its impact on the program's overall performance. | ||
Allocating objects into generations and only mark/sweeping the youngest generation on most iterations is a simple and effective optimization for a mark/sweep garbage collector. By focusing on the youngest generation, the garbage collector can quickly free up memory that is likely to be garbage, without having to spend as much time scanning through the entire program's memory. This can improve the performance of the garbage collector and make it more efficient. | |||
Additionally, by only mark/sweeping the youngest generation on most iterations, the garbage collector can reduce the impact of long-lived objects on its performance. In a traditional mark/sweep garbage collector, long-lived objects can cause the garbage collector to spend a significant amount of time scanning through the entire program's memory, even if most of the objects in memory are short-lived and eligible for collection. With a generational garbage collector, long-lived objects are only scanned during the initial collection of the youngest generation, after which they are moved to older generations and are not scanned as frequently. This can further improve the performance of the garbage collector and reduce its impact on the program's overall performance. | |||
== incremental GC == | == incremental GC == | ||