22.0.0: Difference between revisions
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A new NSO compression method was introduced. | A new NSO compression method was introduced. | ||
This | This is a customized variant of zstd and is used when NSO [[NSO0#Flags|flags]] have bit 7 set. | ||
* ZSTD_MAGICNUMBER is set to 0x4349425A (b'ZBIC') instead of standard 0xFD2FB528 | * ZSTD_MAGICNUMBER is set to 0x4349425A (b'ZBIC') instead of standard 0xFD2FB528 | ||
* ZSTD_LEGACY_SUPPORT is set to 0 | * ZSTD_LEGACY_SUPPORT is set to 0 | ||
* ZSTD_TRACE is set to 1, the version of zstd used is 1.5.7 (ZSTD_VERSION_NUMBER = 10507) | * ZSTD_TRACE is set to 1, the version of zstd used is 1.5.7 (ZSTD_VERSION_NUMBER = 10507) | ||
* | * FSE_readNCount is replaced with a BIC (Binary Interpolative Coding) version which improves compression of entropy tables significantly | ||
=== [[NFC_services|nfc]] === | === [[NFC_services|nfc]] === | ||