perf: optimize some stuff #231
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DaniPopes
commented
Aug 15, 2023
| ptr::write_bytes(dst.add(cnt), 0, pad); | ||
| } | ||
| } | ||
| } |
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append_bytes copied 32 bytes at a time, when it can just copy everything at once
| @@ -260,7 +260,7 @@ impl SolType for Function { | |||
| /// Bytes - `bytes` | |||
| pub struct Bytes; | |||
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| impl<T: AsRef<[u8]>> Encodable<Bytes> for T { | |||
| impl<T: ?Sized + AsRef<[u8]>> Encodable<Bytes> for T { | |||
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allows:
let x: &[u8] = &[];
Encodable::<Bytes>::to_tokens(x)| debug_assert!(contents.is_empty()); | ||
| return Ok(()) | ||
| } | ||
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early return for empty sequence
| unsafe { Vec::from_raw_parts(Box::into_raw(t), 1, 1) } | ||
| } else { | ||
| vec![*t; size] | ||
| }; |
prestwich
approved these changes
Aug 15, 2023
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try_for_eachgenerally generates more llvm-ir and tends to be less optimized than just loop with?