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Vectorize DeltaBitPackDecoder, up to 5x faster decoding #1284

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Feb 15, 2022
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Vectorize DeltaBitPackDecoder, up to 5x faster decoding #1284

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Vectorized `DeltaBitPackDecoder` (#1281)
tustvold Feb 6, 2022
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tustvold Feb 12, 2022
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1 change: 1 addition & 0 deletions parquet/Cargo.toml
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Expand Up @@ -39,6 +39,7 @@ flate2 = { version = "1.0", optional = true }
lz4 = { version = "1.23", optional = true }
zstd = { version = "0.10", optional = true }
chrono = { version = "0.4", default-features = false }
num = "0.4"
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@tustvold tustvold Feb 8, 2022 •
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I initially looked to extend the existing traits, but this ran into a couple of issues

  • wrapping_add doesn't make sense for all types, e.g. ByteArray
  • A lot of effort has already been put into creating numeric traits, we might as well just benefit from this

This crate is already used by arrow

num-bigint = "0.4"
arrow = { path = "../arrow", version = "9.0.0", optional = true, default-features = false, features = ["ipc"] }
base64 = { version = "0.13", optional = true }
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