test_sload_benchmark()

Documentation for tests/benchmark/stateful/bloatnet/test_sload.py::test_sload_benchmark@5fa5938b.

Generate fixtures for these test cases for Amsterdam with:

fill -v tests/benchmark/stateful/bloatnet/test_sload.py::test_sload_benchmark --gas-benchmark-values 1

Benchmark SLOAD instruction with various configurations.

Uses EIP-7702 delegation. The authority EOA delegates to:

• StorageInitializer: storage[i] = 1 (if storage_keys_pre_set)
• BenchmarkExecutor: performs the benchmark operation (SLOAD)

Variants:

• access_warm: Warm storage slots via access list
• storage_keys_pre_set: Whether the storage keys are pre-set

Source code in tests/benchmark/stateful/bloatnet/test_sload.py

@pytest.mark.parametrize("access_warm", [True, False])
@pytest.mark.parametrize("storage_keys_pre_set", [True, False])
def test_sload_benchmark(
    benchmark_test: BenchmarkTestFiller,
    fork: Fork,
    pre: Alloc,
    tx_gas_limit: int,
    gas_benchmark_value: int,
    access_warm: bool,
    storage_keys_pre_set: bool,
) -> None:
    """
    Benchmark SLOAD instruction with various configurations.

    Uses EIP-7702 delegation. The authority EOA delegates to:

    - StorageInitializer: storage[i] = 1 (if storage_keys_pre_set)
    - BenchmarkExecutor: performs the benchmark operation (SLOAD)

    Variants:

    - access_warm: Warm storage slots via access list
    - storage_keys_pre_set: Whether the storage keys are pre-set
    """
    # Initial Storage Construction
    initializer_code = create_sstore_initializer(init_val=1)
    initializer_addr = pre.deploy_contract(code=initializer_code)

    # Actual Benchmark Execution
    executor_code = create_sload_executor(key_warm=access_warm)
    executor_addr = pre.deploy_contract(code=executor_code)

    authority = pre.fund_eoa(amount=0)
    authority_nonce = 0

    delegation_sender = pre.fund_eoa()

    calldata_gen = partial(executor_calldata_generator)
    access_list_gen = partial(
        access_list_generator, access_warm=access_warm, authority=authority
    )

    # Number of slots that can be processed in the execution phase
    num_target_slots = sum(
        executor_code.tx_iterations_by_gas_limit(
            fork=fork,
            gas_limit=gas_benchmark_value,
            calldata=calldata_gen,
            access_list=access_list_gen,
            start_iteration=1,
            recipient_type=RecipientType.DELEGATION_7702,
        )
    )

    # Setup phase: initialize storage slots (if storage_keys_pre_set)
    with TestPhaseManager.setup():
        blocks = build_delegated_storage_setup(
            pre=pre,
            fork=fork,
            tx_gas_limit=tx_gas_limit,
            needs_init=storage_keys_pre_set,
            num_target_slots=num_target_slots,
            initializer_code=initializer_code,
            initializer_addr=initializer_addr,
            executor_addr=executor_addr,
            authority=authority,
            authority_nonce=authority_nonce,
            delegation_sender=delegation_sender,
            initializer_calldata_generator=initializer_calldata_generator,
        )

    # Execution phase
    expected_gas_used = 0

    with TestPhaseManager.execution():
        exec_txs = list(
            executor_code.transactions_by_gas_limit(
                fork=fork,
                gas_limit=gas_benchmark_value,
                sender=pre.fund_eoa(),
                to=authority,
                calldata=calldata_gen,
                start_iteration=1,
                access_list=access_list_gen,
                recipient_type=RecipientType.DELEGATION_7702,
            )
        )

        expected_gas_used = sum(tx.gas_cost for tx in exec_txs)

    blocks.append(Block(txs=exec_txs))

    benchmark_test(
        pre=pre,
        blocks=blocks,
        expected_benchmark_gas_used=expected_gas_used,
    )

Parametrized Test Cases

This test generates 4 parametrized test cases across 3 forks.