Add jemalloc and jemalloc-auto features #65
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Introduce the new features jemalloc (set jemalloc global allocator unconditionally) and jemalloc-auto (set jemalloc global allocator on musl-based targets to fix multithreaded performance, see [1]). Because cargo does not support target-specific features or feature defaults, the default is handled using a helper crate minedmap-default-alloc. [1] https://nickb.dev/blog/default-musl-allocator-considered-harmful-to-performance/
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Introduce the new features jemalloc (set jemalloc global allocator unconditionally) and jemalloc-auto (set jemalloc global allocator on musl-based targets to fix multithreaded performance, see [1]).
Because cargo does not support target-specific features or feature defaults, the default is handled using a helper crate minedmap-default-alloc.
[1] https://nickb.dev/blog/default-musl-allocator-considered-harmful-to-performance/