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Libbitcoin for Core people

Libbitcoin for Core people

Original Postby evoskuil

Posted on: December 5, 2024 19:52 UTC

The discussion emphasizes the comparison between different methods of managing memory and their impact on system performance, particularly during synchronization processes.

It points out that using mmap for flushing data to disk is significantly more efficient than traditional object model destruction techniques. This efficiency stems from mmap's ability to page data in the background, reducing the burden on system resources.

Further analysis reveals that even with a substantial amount of RAM, such as 32GB, fully utilized during a sync process, the time required to flush this memory at shutdown is approximately ten seconds. This duration suggests that while the system can handle significant workloads, optimizing the flush operation could yield better performance.

A proposed solution to enhance Core's flush time is the implementation of a custom linear memory allocator. Such an allocator would streamline memory management, particularly by minimizing the overhead associated with destroying objects. This approach is notably beneficial in environments where objects are frequently passed between threads, highlighting the additional consideration for ensuring thread safety within the cache system.

Overall, the conversation underscores the importance of efficient memory management practices in optimizing software performance. By carefully selecting and implementing memory handling techniques, it is possible to significantly reduce system load and improve operational efficiency, especially in multi-threaded environments.