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Faster uint decoding #55

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Merged
merged 2 commits into from
Sep 4, 2025
Merged

Faster uint decoding #55

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352dde6
Faster uint decoding
michaelsproul Sep 3, 2025
2afb83d
Inline encoding as well
michaelsproul Sep 4, 2025
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3 changes: 3 additions & 0 deletions ssz/src/decode/impls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -11,14 +11,17 @@ use std::sync::Arc;
macro_rules! impl_decodable_for_uint {
($type: ident, $bit_size: expr) => {
impl Decode for $type {
#[inline(always)]
fn is_ssz_fixed_len() -> bool {
true
}

#[inline(always)]
fn ssz_fixed_len() -> usize {
$bit_size / 8
}

#[inline(always)]
fn from_ssz_bytes(bytes: &[u8]) -> Result<Self, DecodeError> {
let len = bytes.len();
let expected = <Self as Decode>::ssz_fixed_len();
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4 changes: 4 additions & 0 deletions ssz/src/encode/impls.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -8,18 +8,22 @@ use std::sync::Arc;
macro_rules! impl_encodable_for_uint {
($type: ident, $bit_size: expr) => {
impl Encode for $type {
#[inline(always)]
fn is_ssz_fixed_len() -> bool {
true
}

#[inline(always)]
fn ssz_fixed_len() -> usize {
$bit_size / 8
}

#[inline(always)]
fn ssz_bytes_len(&self) -> usize {
$bit_size / 8
}

#[inline(always)]
fn ssz_append(&self, buf: &mut Vec<u8>) {
buf.extend_from_slice(&self.to_le_bytes());
}
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