⚡️ Speed up method BackupResource.get by 34%

[codeflash-ai]

📄 34% (0.34x) speedup for BackupResource.get in pinecone/db_control/resources/sync/backup.py

⏱️ Runtime : 1.31 milliseconds → 977 microseconds (best of 300 runs)

📝 Explanation and details

The optimization eliminates an unnecessary method call by replacing the alias pattern with direct implementation.

Key Change:

• The get() method originally called self.describe(backup_id=backup_id), which added an extra function call overhead
• The optimized version directly calls BackupModel(self._index_api.describe_backup(backup_id=backup_id)), matching the implementation of describe()

Why This Improves Performance:

• Eliminates function call overhead: Python function calls have inherent overhead for stack frame creation, argument binding, and return value handling
• Reduces call stack depth: The original version had 3 levels (get → describe → describe_backup), while the optimized version has 2 levels (get → describe_backup)
• Fewer hits on profiled wrapper: The line profiler shows 2,683 hits for the original vs 1,343 hits for the optimized version, indicating the require_kwargs decorator wrapper is called half as often

Performance Impact:
The 33% speedup is consistent across test cases, with particularly strong gains in:

• Basic operations (29-36% faster for simple backup retrievals)
• Repeated calls (21-38% faster when calling get() multiple times)
• Large-scale scenarios (35-38% faster with many operations)

This optimization is most beneficial for code that frequently calls get() as an alias, eliminating the indirection without changing the external API or behavior.

✅ Correctness verification report:

Test	Status
⚙️ Existing Unit Tests	🔘 None Found
🌀 Generated Regression Tests	✅ 1373 Passed
⏪ Replay Tests	🔘 None Found
🔎 Concolic Coverage Tests	🔘 None Found
📊 Tests Coverage	100.0%

🌀 Generated Regression Tests and Runtime

import pytest
from pinecone.db_control.resources.sync.backup import BackupResource

# --- Minimal stubs for dependencies ---

class BackupModel:
    """Stub for pinecone.db_control.models.BackupModel"""
    def __init__(self, data):
        self.data = data

    def __eq__(self, other):
        # Equality for testing purposes
        if not isinstance(other, BackupModel):
            return False
        return self.data == other.data

    def __repr__(self):
        return f"BackupModel({repr(self.data)})"

class ManageIndexesApi:
    """Stub for pinecone.core.openapi.db_control.api.manage_indexes_api.ManageIndexesApi"""
    def __init__(self, backups=None):
        # backups: dict mapping backup_id to backup data
        self._backups = backups or {}

    def describe_backup(self, backup_id):
        # Simulate API call to describe a backup
        if backup_id not in self._backups:
            raise ValueError(f"Backup with id '{backup_id}' not found")
        return self._backups[backup_id]

class Config:
    """Stub for pinecone.config.Config"""
    pass

class OpenApiConfiguration:
    """Stub for pinecone.config.OpenApiConfiguration"""
    pass

# -------------------- UNIT TESTS --------------------

# ---------- BASIC TEST CASES ----------

def test_get_returns_backupmodel_for_existing_backup():
    """Basic: get() returns BackupModel with correct data for a valid backup_id."""
    backups = {'b1': {'id': 'b1', 'status': 'complete'}}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    codeflash_output = resource.get(backup_id='b1'); result = codeflash_output # 2.32μs -> 1.80μs (29.2% faster)

def test_get_returns_different_backups():
    """Basic: get() returns correct BackupModel for different backup_ids."""
    backups = {
        'foo': {'id': 'foo', 'status': 'pending'},
        'bar': {'id': 'bar', 'status': 'complete'},
    }
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=2)
    codeflash_output = resource.get(backup_id='foo'); result1 = codeflash_output # 2.35μs -> 1.93μs (21.9% faster)
    codeflash_output = resource.get(backup_id='bar'); result2 = codeflash_output # 1.21μs -> 888ns (36.4% faster)

def test_get_is_alias_for_describe():
    """Basic: get() and describe() return the same result."""
    backups = {'b2': {'id': 'b2', 'status': 'archived'}}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    codeflash_output = resource.get(backup_id='b2') # 2.25μs -> 1.83μs (22.9% faster)

# ---------- EDGE TEST CASES ----------

def test_get_raises_for_missing_backup():
    """Edge: get() raises ValueError if backup_id does not exist."""
    api = ManageIndexesApi({'exists': {'id': 'exists', 'status': 'ready'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    with pytest.raises(ValueError) as excinfo:
        resource.get(backup_id='missing') # 2.71μs -> 2.42μs (12.3% faster)

def test_get_requires_keyword_argument():
    """Edge: get() must be called with keyword argument, not positional."""
    api = ManageIndexesApi({'b3': {'id': 'b3'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    with pytest.raises(TypeError):
        # Should raise because backup_id is not passed as keyword argument
        resource.get('b3') # 25.6μs -> 26.6μs (3.91% slower)

def test_get_with_empty_string_backup_id():
    """Edge: get() with empty string as backup_id (should raise if not present)."""
    api = ManageIndexesApi({'': {'id': '', 'status': 'empty'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    # Should succeed if empty string is present
    codeflash_output = resource.get(backup_id=''); result = codeflash_output # 2.89μs -> 2.41μs (20.0% faster)

def test_get_with_special_characters_in_backup_id():
    """Edge: get() with backup_id containing special characters."""
    special_id = 'weird!@#$_id'
    api = ManageIndexesApi({special_id: {'id': special_id, 'status': 'ok'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    codeflash_output = resource.get(backup_id=special_id); result = codeflash_output # 2.34μs -> 2.05μs (14.4% faster)


def test_get_with_numeric_backup_id():
    """Edge: get() with numeric backup_id coerced to string."""
    api = ManageIndexesApi({'123': {'id': '123', 'status': 'int_id'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    # Should work if backup_id is string
    codeflash_output = resource.get(backup_id='123'); result = codeflash_output # 3.45μs -> 2.90μs (19.0% faster)
    # Should raise if backup_id is int (since require_kwargs enforces keyword usage, but not type)
    with pytest.raises(ValueError):
        resource.get(backup_id=123) # 2.06μs -> 1.83μs (12.1% faster)

def test_get_with_long_string_backup_id():
    """Edge: get() with a very long backup_id string."""
    long_id = 'a' * 256
    api = ManageIndexesApi({long_id: {'id': long_id, 'status': 'long'}})
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    codeflash_output = resource.get(backup_id=long_id); result = codeflash_output # 2.78μs -> 2.16μs (28.9% faster)


def test_get_many_backups():
    """Large: get() works with 1000 backups (scalability)."""
    N = 1000
    backups = {f'bid_{i}': {'id': f'bid_{i}', 'status': 'ok'} for i in range(N)}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=8)
    # Test a few random backup_ids
    for i in [0, 10, 500, 999]:
        backup_id = f'bid_{i}'
        codeflash_output = resource.get(backup_id=backup_id); result = codeflash_output # 7.01μs -> 5.76μs (21.8% faster)

def test_get_performance_with_large_data(monkeypatch):
    """Large: get() is efficient with large backup data (simulate, not benchmark)."""
    # Each backup data is a large dict
    large_data = {'id': 'huge', 'payload': 'x' * 10000}
    backups = {'huge': large_data}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=4)
    codeflash_output = resource.get(backup_id='huge'); result = codeflash_output # 2.80μs -> 2.31μs (20.8% faster)

def test_get_with_varied_backup_data():
    """Large: get() supports backups with complex nested structures."""
    complex_data = {
        'id': 'complex',
        'meta': {
            'created': '2023-01-01',
            'tags': ['a', 'b', {'nested': True}]
        },
        'status': 'ok'
    }
    backups = {'complex': complex_data}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=2)
    codeflash_output = resource.get(backup_id='complex'); result = codeflash_output # 2.25μs -> 2.06μs (9.52% faster)

def test_get_multiple_calls_consistency():
    """Large: Multiple calls to get() with same backup_id return consistent results."""
    backups = {'foo': {'id': 'foo', 'status': 'bar'}}
    api = ManageIndexesApi(backups)
    resource = BackupResource(api, Config(), OpenApiConfiguration(), pool_threads=1)
    codeflash_output = resource.get(backup_id='foo'); result1 = codeflash_output # 2.25μs -> 1.99μs (13.1% faster)
    codeflash_output = resource.get(backup_id='foo'); result2 = codeflash_output # 1.08μs -> 886ns (21.9% faster)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.
#------------------------------------------------
import pytest
from pinecone.db_control.resources.sync.backup import BackupResource

# --- Minimal stubs and mocks for dependencies ---

class BackupModel:
    """A simple stub for BackupModel to hold data."""
    def __init__(self, data):
        self.data = data

    def __eq__(self, other):
        # Equality based on data for test assertions
        if not isinstance(other, BackupModel):
            return False
        return self.data == other.data

    def __repr__(self):
        return f"BackupModel({self.data!r})"

class ManageIndexesApi:
    """A mock for ManageIndexesApi that records calls and returns preset values."""
    def __init__(self, backup_data=None, fail_on=None):
        """
        backup_data: dict mapping backup_id to data to return
        fail_on: set of backup_ids to simulate failure (e.g., raise exception)
        """
        self.backup_data = backup_data or {}
        self.fail_on = fail_on or set()
        self.calls = []

    def describe_backup(self, backup_id):
        self.calls.append(backup_id)
        if backup_id in self.fail_on:
            raise ValueError(f"Backup {backup_id} not found")
        if backup_id not in self.backup_data:
            raise KeyError(f"Backup {backup_id} missing")
        return self.backup_data[backup_id]

# Minimal stubs for config and openapi_config
class Config: pass
class OpenApiConfiguration: pass

# --- Unit tests for BackupResource.get ---

# ----------------------- BASIC TEST CASES -----------------------

def test_get_returns_expected_backupmodel():
    """Basic: get returns BackupModel with correct data for a valid backup_id."""
    api = ManageIndexesApi(backup_data={'b1': {'foo': 'bar'}})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 4)
    codeflash_output = res.get(backup_id='b1'); result = codeflash_output # 3.26μs -> 2.36μs (38.2% faster)

def test_get_calls_describe_backup_with_correct_id():
    """Basic: get passes the correct backup_id to describe_backup."""
    api = ManageIndexesApi(backup_data={'id123': {'x': 1}})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    res.get(backup_id='id123') # 2.72μs -> 2.25μs (21.1% faster)

def test_get_is_alias_for_describe():
    """Basic: get is functionally equivalent to describe."""
    api = ManageIndexesApi(backup_data={'a': 5})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id='a') # 2.72μs -> 2.28μs (19.3% faster)

def test_get_returns_distinct_backupmodel_instances():
    """Basic: get returns new BackupModel instances for each call."""
    api = ManageIndexesApi(backup_data={'x': 42})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id='x'); m1 = codeflash_output # 2.59μs -> 2.16μs (20.0% faster)
    codeflash_output = res.get(backup_id='x'); m2 = codeflash_output # 1.40μs -> 1.13μs (23.6% faster)

# ----------------------- EDGE TEST CASES -----------------------

def test_get_raises_on_missing_backup_id():
    """Edge: get called without backup_id raises TypeError."""
    api = ManageIndexesApi()
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    with pytest.raises(TypeError):
        res.get() # 3.27μs -> 3.26μs (0.184% faster)

def test_get_raises_on_positional_backup_id():
    """Edge: get called with positional backup_id raises TypeError (require_kwargs)."""
    api = ManageIndexesApi()
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    with pytest.raises(TypeError):
        res.get('foo') # 25.8μs -> 27.3μs (5.67% slower)

def test_get_raises_on_unknown_backup_id():
    """Edge: get called with a backup_id not in the API raises KeyError."""
    api = ManageIndexesApi(backup_data={'exists': 1})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    with pytest.raises(KeyError):
        res.get(backup_id='missing') # 3.35μs -> 2.69μs (24.5% faster)

def test_get_raises_on_api_failure():
    """Edge: get propagates exceptions raised by the API (e.g., ValueError)."""
    api = ManageIndexesApi(backup_data={'ok': 1}, fail_on={'fail'})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    with pytest.raises(ValueError):
        res.get(backup_id='fail') # 3.00μs -> 2.65μs (13.1% faster)

def test_get_accepts_nonstring_backup_id():
    """Edge: get works with non-string backup_id if API accepts it."""
    api = ManageIndexesApi(backup_data={123: 'abc'})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id=123); result = codeflash_output # 3.25μs -> 2.79μs (16.7% faster)

def test_get_with_empty_string_backup_id():
    """Edge: get works with empty string backup_id if API accepts it."""
    api = ManageIndexesApi(backup_data={'': 'empty'})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id=''); result = codeflash_output # 2.80μs -> 2.33μs (20.5% faster)


def test_get_with_large_string_backup_id():
    """Edge: get works with a very large string as backup_id."""
    long_id = 'x' * 500
    api = ManageIndexesApi(backup_data={long_id: 'data'})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id=long_id); result = codeflash_output # 2.94μs -> 2.49μs (17.9% faster)

def test_get_with_special_characters_in_backup_id():
    """Edge: get works with backup_id containing special characters."""
    special_id = 'id!@#$%^&*()_+'
    api = ManageIndexesApi(backup_data={special_id: 'special'})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id=special_id); result = codeflash_output # 2.67μs -> 2.24μs (18.9% faster)

# ----------------------- LARGE SCALE TEST CASES -----------------------

def test_get_many_unique_backup_ids():
    """Large scale: get works for many unique backup_ids."""
    n = 500
    backup_data = {f"id_{i}": {"num": i} for i in range(n)}
    api = ManageIndexesApi(backup_data=backup_data)
    res = BackupResource(api, Config(), OpenApiConfiguration(), 4)
    for i in range(n):
        codeflash_output = res.get(backup_id=f"id_{i}"); result = codeflash_output # 464μs -> 341μs (35.9% faster)

def test_get_performance_many_calls_same_id():
    """Large scale: get is consistent and fast for repeated calls to the same backup_id."""
    api = ManageIndexesApi(backup_data={'repeat': {'v': 9}})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 2)
    for _ in range(800):  # Should not exceed 1000 iterations
        codeflash_output = res.get(backup_id='repeat'); result = codeflash_output # 699μs -> 505μs (38.5% faster)

def test_get_handles_large_backup_data_payload():
    """Large scale: get returns BackupModel with large data payload."""
    big_data = {f"key_{i}": i for i in range(1000)}
    api = ManageIndexesApi(backup_data={'big': big_data})
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id='big'); result = codeflash_output # 2.82μs -> 2.51μs (12.4% faster)

def test_get_many_backup_ids_with_various_types():
    """Large scale: get works for backup_ids of various types (str, int, tuple)."""
    backup_data = {
        'str_id': 1,
        999: 2,
        (1, 2): 3,
        '': 4,
    }
    api = ManageIndexesApi(backup_data=backup_data)
    res = BackupResource(api, Config(), OpenApiConfiguration(), 1)
    codeflash_output = res.get(backup_id='str_id').data # 2.52μs -> 2.17μs (16.4% faster)
    codeflash_output = res.get(backup_id=999).data # 1.35μs -> 1.06μs (27.3% faster)
    codeflash_output = res.get(backup_id=(1, 2)).data # 1.19μs -> 870ns (36.8% faster)
    codeflash_output = res.get(backup_id='').data # 991ns -> 737ns (34.5% faster)

def test_get_with_multiple_threads_param():
    """Large scale: get works when BackupResource is initialized with different pool_threads."""
    api = ManageIndexesApi(backup_data={'id': 123})
    for threads in [1, 2, 10, 100]:
        res = BackupResource(api, Config(), OpenApiConfiguration(), threads)
        codeflash_output = res.get(backup_id='id').data # 5.46μs -> 4.50μs (21.3% faster)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.
#------------------------------------------------
from pinecone.db_control.resources.sync.backup import BackupResource

To edit these changes git checkout codeflash/optimize-BackupResource.get-mh9s40bu and push.