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Merged
aepfli merged 3 commits into from
Feb 10, 2026
Merged

bench(python): add pytest-benchmark suite with evaluation and operator benchmarks #65

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bench(python): add pytest-benchmark suite with evaluation and operato…
aepfli Feb 10, 2026
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bench(python): add context size variations, error paths, and enhanced…
aepfli Feb 10, 2026
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fix(bench): use panzi-json-logic for Python comparison benchmarks
aepfli Feb 10, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
/target/
/dist/
/python/tests/__pycache__
/python/benchmarks/__pycache__

# Cargo lock file (library)
Cargo.lock
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87 changes: 0 additions & 87 deletions python/benchmarks/bench_vs_wasm.py
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218 changes: 218 additions & 0 deletions python/benchmarks/conftest.py
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@@ -0,0 +1,218 @@
"""Shared fixtures for flagd-evaluator benchmarks."""

import pytest
from flagd_evaluator import FlagEvaluator


def _build_flag_config():
"""Build a rich flag configuration for benchmarks."""
return {
"flags": {
# Simple boolean flag (no targeting)
"simple-bool": {
"state": "ENABLED",
"variants": {"on": True, "off": False},
"defaultVariant": "on",
},
# Boolean flag with targeting rule that matches
"targeted-bool": {
"state": "ENABLED",
"variants": {"on": True, "off": False},
"defaultVariant": "off",
"targeting": {
"if": [
{"==": [{"var": "tier"}, "premium"]},
"on",
"off",
]
},
},
# String flag
"string-flag": {
"state": "ENABLED",
"variants": {
"banner-a": "Welcome to our new experience!",
"banner-b": "Check out our latest features!",
"default-banner": "Welcome!",
},
"defaultVariant": "default-banner",
"targeting": {
"if": [
{"==": [{"var": "segment"}, "beta"]},
"banner-a",
{"if": [
{"==": [{"var": "segment"}, "internal"]},
"banner-b",
"default-banner",
]},
]
},
},
# Integer flag
"int-flag": {
"state": "ENABLED",
"variants": {"low": 10, "medium": 50, "high": 100},
"defaultVariant": "medium",
},
# Float flag
"float-flag": {
"state": "ENABLED",
"variants": {"conservative": 0.1, "moderate": 0.5, "aggressive": 0.9},
"defaultVariant": "moderate",
},
# Object flag
"object-flag": {
"state": "ENABLED",
"variants": {
"config-a": {
"color": "blue",
"size": "large",
"features": ["search", "export"],
},
"config-b": {
"color": "green",
"size": "medium",
"features": ["search"],
},
},
"defaultVariant": "config-a",
},
# Disabled flag
"disabled-flag": {
"state": "DISABLED",
"variants": {"on": True, "off": False},
"defaultVariant": "on",
},
# Fractional bucketing flag
"fractional-flag": {
"state": "ENABLED",
"variants": {
"control": "control-experience",
"treatment-a": "treatment-a-experience",
"treatment-b": "treatment-b-experience",
},
"defaultVariant": "control",
"targeting": {
"fractional": [
{"var": "targetingKey"},
["control", 50],
["treatment-a", 25],
["treatment-b", 25],
]
},
},
# Semver flag
"semver-flag": {
"state": "ENABLED",
"variants": {"new-ui": True, "old-ui": False},
"defaultVariant": "old-ui",
"targeting": {
"if": [
{"sem_ver": [{"var": "appVersion"}, ">=", "2.0.0"]},
"new-ui",
"old-ui",
]
},
},
# starts_with flag
"starts-with-flag": {
"state": "ENABLED",
"variants": {"internal": "internal-access", "external": "external-access"},
"defaultVariant": "external",
"targeting": {
"if": [
{"starts_with": [{"var": "email"}, "admin@"]},
"internal",
"external",
]
},
},
# ends_with flag
"ends-with-flag": {
"state": "ENABLED",
"variants": {"corp": "corporate-plan", "personal": "personal-plan"},
"defaultVariant": "personal",
"targeting": {
"if": [
{"ends_with": [{"var": "email"}, "@corp.example.com"]},
"corp",
"personal",
]
},
},
# Complex targeting flag (nested if/and/or)
"complex-targeting": {
"state": "ENABLED",
"defaultVariant": "basic",
"variants": {
"premium": "premium-tier",
"standard": "standard-tier",
"basic": "basic-tier",
},
"targeting": {
"if": [
{"and": [
{"==": [{"var": "tier"}, "premium"]},
{">": [{"var": "score"}, 90]},
]},
"premium",
{"if": [
{"or": [
{"==": [{"var": "tier"}, "standard"]},
{">": [{"var": "score"}, 50]},
]},
"standard",
"basic",
]},
]
},
},
}
}


@pytest.fixture
def flag_config():
"""Raw flag configuration dict for state-update benchmarks."""
return _build_flag_config()


@pytest.fixture
def evaluator():
"""FlagEvaluator preloaded with a rich flag configuration."""
ev = FlagEvaluator()
ev.update_state(_build_flag_config())
return ev


@pytest.fixture
def small_context():
"""Evaluation context with 5 attributes."""
return {
"targetingKey": "user-123",
"tier": "premium",
"role": "admin",
"region": "us-east",
"score": 85,
}


@pytest.fixture
def large_context():
"""Evaluation context with 100+ attributes."""
ctx = {
"targetingKey": "user-bench-12345",
"tier": "premium",
"segment": "beta",
"email": "admin@corp.example.com",
"appVersion": "2.5.1",
"role": "admin",
"country": "US",
"locale": "en-US",
"platform": "linux",
"deviceType": "desktop",
}
# Add 100 additional attributes
for i in range(100):
ctx[f"attr_{i}"] = f"value_{i}"
return ctx
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