Skip to content

⚡️ Speed up function replace_placeholders by 10%#338

Merged
sinaatalay merged 1 commit into
rendercv:mainfrom
misrasaurabh1:codeflash/optimize-replace_placeholders-m6h34rcc
Feb 8, 2025
Merged

⚡️ Speed up function replace_placeholders by 10%#338
sinaatalay merged 1 commit into
rendercv:mainfrom
misrasaurabh1:codeflash/optimize-replace_placeholders-m6h34rcc

Conversation

@misrasaurabh1
Copy link
Copy Markdown
Contributor

@misrasaurabh1 misrasaurabh1 commented Jan 29, 2025

📄 10% (0.10x) speedup for replace_placeholders in rendercv/data/models/computers.py

⏱️ Runtime : 358 microseconds 325 microseconds (best of 16 runs)
📝 Explanation and details

Here are some changes to optimize the given Python program for better performance, focusing on minimizing redundant calls and improving efficiency wherever possible.

  1. Reduce Redundant Function Calls: Avoid calling get_date_input() multiple times—the result can be stored in a variable instead.
  2. Apply Placeholders Replacement Sequentially: Making the replace calls sequentially to avoid re-scanning the entire string for each placeholder.

Summary of Optimizations

  1. Redundant Calls: Captured get_date_input() in the variable date_input to reduce redundant calls.
  2. Reuse Computations: Calculated name_snake_case and name_kebab_case once and reused them instead of recalculating multiple times.
  3. Better Loop: Used a tuple of tuples for placeholders, iterating through once and applying replacements in sequence.

These changes improve the efficiency of the replace_placeholders function by reducing redundant calculations and I/O operations, resulting in better runtime performance.

Correctness verification report:

Test Status
⚙️ Existing Unit Tests 🔘 None Found
🌀 Generated Regression Tests 36 Passed
⏪ Replay Tests 🔘 None Found
🔎 Concolic Coverage Tests 1 Passed
🌀 Generated Regression Tests Details
from datetime import date as Date
from unittest.mock import patch

# imports
import pytest  # used for our unit tests
from rendercv.data.models.computers import replace_placeholders
from rendercv.data.models.curriculum_vitae import curriculum_vitae
from rendercv.data.models.locale import locale

curriculum_vitae: dict[str, str] = {}

locale: dict[str, str | list[str]] = {}
from rendercv.data.models.computers import replace_placeholders

# unit tests

@pytest.fixture
def setup_data():
    """Fixture to set up common data for the tests."""
    global curriculum_vitae, locale
    curriculum_vitae = {
        "name": "John Doe"
    }
    locale = {
        "full_names_of_months": ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"],
        "abbreviations_for_months": ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
    }

def test_basic_replacement(setup_data):
    """Test basic placeholder replacement."""
    codeflash_output = replace_placeholders("Hello, NAME!")

def test_empty_input_string(setup_data):
    """Test replacement with an empty input string."""
    codeflash_output = replace_placeholders("")

def test_no_placeholders_in_input_string(setup_data):
    """Test replacement when there are no placeholders in the input string."""
    codeflash_output = replace_placeholders("Hello, World!")

def test_non_existent_placeholders(setup_data):
    """Test replacement with non-existent placeholders."""
    codeflash_output = replace_placeholders("Hello, UNKNOWN_PLACEHOLDER!")

def test_name_in_snake_case(setup_data):
    """Test replacement of NAME_IN_SNAKE_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_SNAKE_CASE")

def test_name_in_lower_snake_case(setup_data):
    """Test replacement of NAME_IN_LOWER_SNAKE_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_LOWER_SNAKE_CASE")

def test_name_in_upper_snake_case(setup_data):
    """Test replacement of NAME_IN_UPPER_SNAKE_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_UPPER_SNAKE_CASE")

def test_name_in_kebab_case(setup_data):
    """Test replacement of NAME_IN_KEBAB_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_KEBAB_CASE")

def test_name_in_lower_kebab_case(setup_data):
    """Test replacement of NAME_IN_LOWER_KEBAB_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_LOWER_KEBAB_CASE")

def test_name_in_upper_kebab_case(setup_data):
    """Test replacement of NAME_IN_UPPER_KEBAB_CASE placeholder."""
    codeflash_output = replace_placeholders("NAME_IN_UPPER_KEBAB_CASE")

@patch('rendercv.data.models.replace_placeholders.get_date_input', return_value=Date(2023, 1, 1))







def test_special_characters_in_name(setup_data):
    """Test replacement when the name contains spaces and special characters."""
    curriculum_vitae["name"] = "John Doe-Smith"
    codeflash_output = replace_placeholders("NAME_IN_SNAKE_CASE")

def test_large_scale_replacement(setup_data):
    """Test replacement with a long input string containing many placeholders."""
    codeflash_output = replace_placeholders("NAME " * 1000)



def test_missing_name_in_curriculum_vitae(setup_data):
    """Test behavior when name is missing in curriculum vitae."""
    del curriculum_vitae["name"]
    codeflash_output = replace_placeholders("NAME")

@patch('rendercv.data.models.replace_placeholders.get_date_input', return_value=Date(2023, 2, 2))


from datetime import date as Date

# imports
import pytest  # used for our unit tests
from rendercv.data.models.computers import replace_placeholders
from rendercv.data.models.curriculum_vitae import curriculum_vitae
from rendercv.data.models.locale import locale

curriculum_vitae: dict[str, str] = {}

locale: dict[str, str | list[str]] = {}
from rendercv.data.models.computers import replace_placeholders

# unit tests

# Mock data for curriculum_vitae and locale
curriculum_vitae['name'] = 'John Doe'
locale['full_names_of_months'] = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December']
locale['abbreviations_for_months'] = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']

# Mock the DATE_INPUT
class MockDate:
    def __init__(self, year, month):
        self.year = year
        self.month = month

DATE_INPUT = MockDate(2023, 1)

def test_basic_replacement():
    # Simple Name Replacement
    codeflash_output = replace_placeholders("Hello, NAME!")

def test_case_transformations():
    # Snake Case
    codeflash_output = replace_placeholders("Your username is NAME_IN_SNAKE_CASE.")
    # Lower Snake Case
    codeflash_output = replace_placeholders("Your username is NAME_IN_LOWER_SNAKE_CASE.")
    # Upper Snake Case
    codeflash_output = replace_placeholders("Your username is NAME_IN_UPPER_SNAKE_CASE.")
    # Kebab Case
    codeflash_output = replace_placeholders("Your URL is NAME_IN_KEBAB_CASE.")
    # Lower Kebab Case
    codeflash_output = replace_placeholders("Your URL is NAME_IN_LOWER_KEBAB_CASE.")
    # Upper Kebab Case
    codeflash_output = replace_placeholders("Your URL is NAME_IN_UPPER_KEBAB_CASE.")

def test_date_replacements():
    # Full Month Name
    codeflash_output = replace_placeholders("The current month is FULL_MONTH_NAME.")
    # Month Abbreviation
    codeflash_output = replace_placeholders("The current month abbreviation is MONTH_ABBREVIATION.")
    # Month in Two Digits
    codeflash_output = replace_placeholders("The current month in two digits is MONTH_IN_TWO_DIGITS.")
    # Year in Two Digits
    codeflash_output = replace_placeholders("The current year in two digits is YEAR_IN_TWO_DIGITS.")
    # Year
    codeflash_output = replace_placeholders("The current year is YEAR.")
    # Month
    codeflash_output = replace_placeholders("The current month is MONTH.")

def test_edge_cases():
    # Empty String
    codeflash_output = replace_placeholders("")
    # No Placeholders
    codeflash_output = replace_placeholders("This string has no placeholders.")
    # Unknown Placeholders
    codeflash_output = replace_placeholders("This string has UNKNOWN_PLACEHOLDER.")
    # Multiple Same Placeholders
    codeflash_output = replace_placeholders("NAME NAME NAME")

def test_large_scale_cases():
    # Long String with Many Placeholders
    codeflash_output = replace_placeholders("NAME " * 1000)
    # Complex String with Various Placeholders
    codeflash_output = replace_placeholders("Hello NAME_IN_SNAKE_CASE, today is FULL_MONTH_NAME 1, YEAR.")

def test_special_characters_in_name():
    # Name with Special Characters
    curriculum_vitae['name'] = 'John Doe-Smith'
    codeflash_output = replace_placeholders("NAME_IN_SNAKE_CASE")

def test_locale_variations():
    # Different Locale Settings
    locale['full_names_of_months'] = ['Enero', 'Febrero', 'Marzo', 'Abril', 'Mayo', 'Junio', 'Julio', 'Agosto', 'Septiembre', 'Octubre', 'Noviembre', 'Diciembre']
    codeflash_output = replace_placeholders("The current month is FULL_MONTH_NAME.")

def test_deterministic_output():
    # Consistent Replacement
    codeflash_output = replace_placeholders("NAME NAME")


def test_handling_missing_curriculum_vitae_data():
    # Handling Missing Curriculum Vitae Data
    del curriculum_vitae['name']
    codeflash_output = replace_placeholders("Hello, NAME!")
    # Restore name for other tests
    curriculum_vitae['name'] = 'John Doe'
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

from rendercv.data.models.computers import replace_placeholders

def test_replace_placeholders():
    assert replace_placeholders('') == ''

Created this optimization with codeflash.ai

Certainly! Here are some changes to optimize the given Python program for better performance, focusing on minimizing redundant calls and improving efficiency wherever possible.

1. **Reduce Redundant Function Calls**: Avoid calling `get_date_input()` multiple times—the result can be stored in a variable instead.
2. **Use f-strings**: For string formatting, using f-strings is generally more efficient.
3. **Apply Placeholders Replacement Sequentially**: Making the `replace` calls sequentially to avoid re-scanning the entire string for each placeholder.

Let's rewrite the code with these optimizations.



### Summary of Optimizations

1. **Redundant Calls**: Captured `get_date_input()` in the variable `date_input` to reduce redundant calls.
2. **Reuse Computations**: Calculated `name_snake_case` and `name_kebab_case` once and reused them instead of recalculating multiple times.
3. **Better Loop**: Used a tuple of tuples for `placeholders`, iterating through once and applying replacements in sequence.

These changes improve the efficiency of the `replace_placeholders` function by reducing redundant calculations and I/O operations, resulting in better runtime performance.
@sinaatalay sinaatalay force-pushed the main branch 2 times, most recently from 0c768bd to 2d0e7fd Compare February 8, 2025 22:10
@sinaatalay sinaatalay merged commit a64c55e into rendercv:main Feb 8, 2025
@sinaatalay
Copy link
Copy Markdown
Member

Thank you!

sinaatalay pushed a commit that referenced this pull request Feb 8, 2025
**Summary of Optimizations:**

1. **Redundant Calls**: Captured `get_date_input()` in the variable `date_input` to reduce redundant calls.
2. **Reuse Computations**: Calculated `name_snake_case` and `name_kebab_case` once and reused them instead of recalculating multiple times.
3. **Better Loop**: Used a tuple of tuples for `placeholders`, iterating through once and applying replacements in sequence.

These changes improve the efficiency of the `replace_placeholders` function by reducing redundant calculations and I/O operations, resulting in better runtime performance.

Co-authored-by: codeflash-ai[bot] <148906541+codeflash-ai[bot]@users.noreply.github.com>
sinaatalay pushed a commit that referenced this pull request Feb 8, 2025
**Summary of Optimizations:**

1. **Redundant Calls**: Captured `get_date_input()` in the variable `date_input` to reduce redundant calls.
2. **Reuse Computations**: Calculated `name_snake_case` and `name_kebab_case` once and reused them instead of recalculating multiple times.
3. **Better Loop**: Used a tuple of tuples for `placeholders`, iterating through once and applying replacements in sequence.

These changes improve the efficiency of the `replace_placeholders` function by reducing redundant calculations and I/O operations, resulting in better runtime performance.

Co-authored-by: codeflash-ai[bot] <148906541+codeflash-ai[bot]@users.noreply.github.com>
sinaatalay pushed a commit that referenced this pull request Feb 8, 2025
**Summary of Optimizations:**

1. **Redundant Calls**: Captured `get_date_input()` in the variable `date_input` to reduce redundant calls.
2. **Reuse Computations**: Calculated `name_snake_case` and `name_kebab_case` once and reused them instead of recalculating multiple times.
3. **Better Loop**: Used a tuple of tuples for `placeholders`, iterating through once and applying replacements in sequence.

These changes improve the efficiency of the `replace_placeholders` function by reducing redundant calculations and I/O operations, resulting in better runtime performance.

Co-authored-by: codeflash-ai[bot] <148906541+codeflash-ai[bot]@users.noreply.github.com>
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

None yet

Projects

None yet

Development

Successfully merging this pull request may close these issues.

2 participants