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test_worst_memory_access()

Documentation for tests/benchmark/test_worst_compute.py::test_worst_memory_access@v5.0.0.

Generate fixtures for these test cases for Osaka with:

fill -v tests/benchmark/test_worst_compute.py::test_worst_memory_access --fork Osaka

Test running a block with as many memory access instructions as possible.

Source code in tests/benchmark/test_worst_compute.py 
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@pytest.mark.valid_from("Cancun")
@pytest.mark.parametrize("opcode", [Op.MLOAD, Op.MSTORE, Op.MSTORE8])
@pytest.mark.parametrize("offset", [0, 1, 31])
@pytest.mark.parametrize("offset_initialized", [True, False])
@pytest.mark.parametrize("big_memory_expansion", [True, False])
def test_worst_memory_access(
    state_test: StateTestFiller,
    pre: Alloc,
    fork: Fork,
    opcode: Op,
    offset: int,
    offset_initialized: bool,
    big_memory_expansion: bool,
    gas_benchmark_value: int,
):
    """Test running a block with as many memory access instructions as possible."""
    max_code_size = fork.max_code_size()

    mem_exp_code = Op.MSTORE8(10 * 1024, 1) if big_memory_expansion else Bytecode()
    offset_set_code = Op.MSTORE(offset, 43) if offset_initialized else Bytecode()
    code_prefix = mem_exp_code + offset_set_code + Op.PUSH1(42) + Op.PUSH1(offset) + Op.JUMPDEST

    code_suffix = Op.JUMP(len(code_prefix) - 1)

    loop_iter = Op.POP(Op.MLOAD(Op.DUP1)) if opcode == Op.MLOAD else opcode(Op.DUP2, Op.DUP2)

    code_body_len = (max_code_size - len(code_prefix) - len(code_suffix)) // len(loop_iter)
    code_body = loop_iter * code_body_len
    code = code_prefix + code_body + code_suffix
    assert len(code) <= max_code_size

    tx = Transaction(
        to=pre.deploy_contract(code=code),
        gas_limit=gas_benchmark_value,
        sender=pre.fund_eoa(),
    )

    state_test(
        pre=pre,
        post={},
        tx=tx,
    )

Parametrized Test Cases

The interactive table below is also available as a standalone page.

Test ID (Abbreviated) big_memory_expansion offset_initialized offset opcode
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MLOAD True True 0 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE True True 0 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE8 True True 0 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MLOAD True True 1 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE True True 1 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE8 True True 1 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MLOAD True True 31 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE True True 31 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE8 True True 31 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MLOAD True False 0 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE True False 0 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE8 True False 0 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MLOAD True False 1 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE True False 1 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE8 True False 1 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MLOAD True False 31 MLOAD
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE True False 31 MSTORE
...fork_Cancun-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE8 True False 31 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MLOAD False True 0 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE False True 0 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE8 False True 0 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MLOAD False True 1 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE False True 1 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE8 False True 1 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MLOAD False True 31 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE False True 31 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE8 False True 31 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MLOAD False False 0 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE False False 0 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE8 False False 0 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MLOAD False False 1 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE False False 1 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE8 False False 1 MSTORE8
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MLOAD False False 31 MLOAD
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE False False 31 MSTORE
...fork_Cancun-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE8 False False 31 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MLOAD True True 0 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE True True 0 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE8 True True 0 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MLOAD True True 1 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE True True 1 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE8 True True 1 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MLOAD True True 31 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE True True 31 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE8 True True 31 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MLOAD True False 0 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE True False 0 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE8 True False 0 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MLOAD True False 1 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE True False 1 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE8 True False 1 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MLOAD True False 31 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE True False 31 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE8 True False 31 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MLOAD False True 0 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE False True 0 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE8 False True 0 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MLOAD False True 1 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE False True 1 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE8 False True 1 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MLOAD False True 31 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE False True 31 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE8 False True 31 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MLOAD False False 0 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE False False 0 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE8 False False 0 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MLOAD False False 1 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE False False 1 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE8 False False 1 MSTORE8
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MLOAD False False 31 MLOAD
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE False False 31 MSTORE
...fork_Cancun-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE8 False False 31 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MLOAD True True 0 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE True True 0 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE8 True True 0 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MLOAD True True 1 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE True True 1 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE8 True True 1 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MLOAD True True 31 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE True True 31 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE8 True True 31 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MLOAD True False 0 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE True False 0 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE8 True False 0 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MLOAD True False 1 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE True False 1 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE8 True False 1 MSTORE8
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MLOAD True False 31 MLOAD
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE True False 31 MSTORE
...fork_Prague-state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE8 True False 31 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MLOAD False True 0 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE False True 0 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE8 False True 0 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MLOAD False True 1 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE False True 1 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE8 False True 1 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MLOAD False True 31 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE False True 31 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE8 False True 31 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MLOAD False False 0 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE False False 0 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE8 False False 0 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MLOAD False False 1 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE False False 1 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE8 False False 1 MSTORE8
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MLOAD False False 31 MLOAD
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE False False 31 MSTORE
...fork_Prague-state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE8 False False 31 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MLOAD True True 0 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE True True 0 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE8 True True 0 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MLOAD True True 1 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE True True 1 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE8 True True 1 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MLOAD True True 31 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE True True 31 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_True-offset_31-opcode_MSTORE8 True True 31 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MLOAD True False 0 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE True False 0 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_0-opcode_MSTORE8 True False 0 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MLOAD True False 1 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE True False 1 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_1-opcode_MSTORE8 True False 1 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MLOAD True False 31 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE True False 31 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_True-offset_initialized_False-offset_31-opcode_MSTORE8 True False 31 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MLOAD False True 0 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE False True 0 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_0-opcode_MSTORE8 False True 0 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MLOAD False True 1 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE False True 1 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_1-opcode_MSTORE8 False True 1 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MLOAD False True 31 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE False True 31 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_True-offset_31-opcode_MSTORE8 False True 31 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MLOAD False False 0 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE False False 0 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_0-opcode_MSTORE8 False False 0 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MLOAD False False 1 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE False False 1 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_1-opcode_MSTORE8 False False 1 MSTORE8
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MLOAD False False 31 MLOAD
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE False False 31 MSTORE
...fork_Prague-blockchain_test_from_state_test-big_memory_expansion_False-offset_initialized_False-offset_31-opcode_MSTORE8 False False 31 MSTORE8
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MLOAD True True 0 MLOAD
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE True True 0 MSTORE
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_0-opcode_MSTORE8 True True 0 MSTORE8
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MLOAD True True 1 MLOAD
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE True True 1 MSTORE
...fork_Osaka-state_test-big_memory_expansion_True-offset_initialized_True-offset_1-opcode_MSTORE8 True True 1 MSTORE8
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