Skip to content

test_mcopy()

Documentation for tests/benchmark/compute/instruction/test_memory.py::test_mcopy@ffe48572.

Generate fixtures for these test cases for Bogota with:

fill -v tests/benchmark/compute/instruction/test_memory.py::test_mcopy --gas-benchmark-values 1

Benchmark MCOPY instruction.

Source code in tests/benchmark/compute/instruction/test_memory.py 
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
@pytest.mark.repricing(fixed_src_dst=True)
@pytest.mark.parametrize(
    "mem_size",
    [0, 32, 256, 1024, 10 * 1024, 1024 * 1024],
)
@pytest.mark.parametrize("copy_size", [0, 32, 256, 1024])
@pytest.mark.parametrize(
    "fixed_src_dst",
    [
        True,
        False,
    ],
)
def test_mcopy(
    benchmark_test: BenchmarkTestFiller,
    mem_size: int,
    copy_size: int,
    fixed_src_dst: bool,
) -> None:
    """Benchmark MCOPY instruction."""
    src_dst = 0 if fixed_src_dst else Op.MOD(Op.GAS, 7)
    attack_block = Op.MCOPY(src_dst, src_dst, copy_size)

    mem_touch = (
        Op.MSTORE8(0, Op.GAS)
        + Op.MSTORE8(mem_size // 2, Op.GAS)
        + Op.MSTORE8(mem_size - 1, Op.GAS)
        if mem_size > 0
        else Bytecode()
    )
    benchmark_test(
        target_opcode=Op.MCOPY,
        code_generator=JumpLoopGenerator(
            attack_block=attack_block, cleanup=mem_touch
        ),
    )

Parametrized Test Cases

This test generates 48 parametrized test cases across 4 forks.