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Fixing the fastfield codec benchmark (#1484)

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This commit is contained in:
Paul Masurel
2022-08-25 22:54:14 +02:00
committed by GitHub
parent d8f66ba07e
commit 107b19855f
3 changed files with 17 additions and 11 deletions
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10
bitpacker/src/bitpacker.rs
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@@ -82,14 +82,16 @@ impl BitUnpacker {
}
}
pub fn bit_width(&self) -> u8 {
self.num_bits as u8
}
#[inline]
pub fn get(&self, idx: u64, data: &[u8]) -> u64 {
if self.num_bits == 0 {
return 0u64;
}
let num_bits = self.num_bits;
let mask = self.mask;
let addr_in_bits = idx * num_bits;
let addr_in_bits = idx * self.num_bits;
let addr = addr_in_bits >> 3;
let bit_shift = addr_in_bits & 7;
debug_assert!(
@@ -101,7 +103,7 @@ impl BitUnpacker {
.unwrap();
let val_unshifted_unmasked: u64 = u64::from_le_bytes(bytes);
let val_shifted = (val_unshifted_unmasked >> bit_shift) as u64;
val_shifted & mask
val_shifted & self.mask
}
}