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C-blosc2
Jul 20, 2023
High performance compressor optimized for binary data
Blosc is a high performance compressor optimized for binary data i.e. floating point numbers, integers and booleans. It has been designed to transmit data to the processor cache faster than the traditional, non-compressed, direct memory fetch approach via a memcpy OS call. Blosc main goal is not just to reduce the size of large datasets on-disk or in-memory, but also to accelerate memory-bound computations.
C-Blosc2 is the new major version of C-Blosc, and tries hard to be backward compatible with both the C-Blosc1 API and its in-memory format. However, the reverse thing is generally not true; buffers generated with C-Blosc2 are not format-compatible with C-Blosc1 i.e. forward compatibility is not supported.
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