Changelog

2.0.2 (2026-09-03)

Comprehensive test coverage for block and tail boundary vectors (0 to 33 bytes) across all Murmur3 variants.
Regression tests verifying Erlang term hashing against serialized binary representations.

Optimized tail processing in 128-bit hashes (Murmur.Hash128X86 and Murmur.Hash128X64) by decoding 32-bit and 64-bit integers directly via binary pattern matching, eliminating intermediate tail splitting.
Added fast-path early exit for empty tails in 128-bit hashes.
Inlined hot arithmetic, round mixing, and intermixing functions in 128-bit hash implementations.
Streamlined dispatch in the top-level Murmur module to directly invoke hash implementations for binary inputs.
Simplified tail termination in Murmur.Hash32X86 with direct empty binary pattern matching.
Standardized binary pattern matching to canonical bit syntax (32-little, 64-little).
Updated documentation examples, local benchmark scripts, and benchmark results in README.md.

Removed unused and orphaned helper functions from Murmur.Helpers (fmix32/1, fmix64/1, swap_uint/1, k_32_op/4, k_64_op/4, rotl32/2, rotl64/2, bxor_and_shift_right/2).
Removed redundant masking operations and constant function arguments in internal round helpers.

Reduced allocations in the 128-bit hash implementations by replacing fixed-size collection pipelines with direct state handling.
Improved hashing performance and memory usage with compiler-guided arithmetic optimizations while preserving existing hash results.

Refactor and fix 128-bit results according to the original (SMHasher) version, this fixes the issue with the 128-bit results being incorrect, but it also means that the 128-bit results are not compatible with the previous version of the library, therefore the version has been bumped to 2.0.0.

Stopped testing against Erlang terms due to potential inconsistencies between Erlang versions.
Fixed compiler warnings.