I am planning to assign each thread its own arena, as per my understanding this is akin to having a per thread heap since arena management is completely independent of each other.
How this is know to affect performance and memory overheads ? I am sure this would depend a lot on application allocation patterns but are any generic numbers/data from past ? In cases where allocation done by thread T1 is freed by thread T2, how does jemalloc handles it ? Is there any basic garbage collection or remote-free ( request to free by remote thread which owns the allocation ) implementation ? I see that this could lead to memory build up. Any inputs will be appreciated.
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