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dev: optimize CALLDATALOAD with lookup-table based exponentiation #1004

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enitrat opened this issue Oct 1, 2024 · 0 comments
Open

dev: optimize CALLDATALOAD with lookup-table based exponentiation #1004

enitrat opened this issue Oct 1, 2024 · 0 comments
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blocked enhancement New feature or request

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@enitrat
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enitrat commented Oct 1, 2024

kakarot-ssj/crates/evm/src/instructions/environmental_information.cairo

Lines 94 to 98 in 6a23ced

// TODO: optimize once we have dw-based exponentiation
for _ in 0..32 - bytes_len {
data_to_load *= 256;
};
self.stack.push(data_to_load)

use a POW_2_256 table to optimize this operation
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