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Deterministically shuffle dataset for consistent data in a eval run

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Previously eval run across modes would use different dataset shuffles.

This change enables a strict apples to apples perf comparison of the
different khoj modes across the same (random) subset of questions by
using a dataset seed per workflow run to sample questions
This commit is contained in:
Debanjum
2025-08-31 13:51:43 -07:00
parent edf9ea6312
commit 703e189979
2 changed files with 17 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
.github/workflows/run_evals.yml vendored
View File

@@ -76,6 +76,11 @@ on:
options:
- 'false'
- 'true'
dataset_seed:
description: 'Seed to deterministically shuffle questions'
required: false
default: ''
type: string
jobs:
eval:
@@ -149,8 +154,9 @@ jobs:
SAMPLE_SIZE: ${{ github.event_name == 'workflow_dispatch' && inputs.sample_size || 200 }}
BATCH_SIZE: "20"
RANDOMIZE: ${{ github.event_name == 'workflow_dispatch' && inputs.randomize || 'true' }}
KHOJ_URL: "http://localhost:42110"
DATASET_SEED: ${{ github.event_name == 'workflow_dispatch' && inputs.dataset_seed || github.run_id }}
KHOJ_LLM_SEED: "42"
KHOJ_URL: "http://localhost:42110"
KHOJ_DEFAULT_CHAT_MODEL: ${{ github.event_name == 'workflow_dispatch' && inputs.chat_model || 'gemini-2.5-flash' }}
KHOJ_RESEARCH_ITERATIONS: ${{ github.event_name == 'workflow_dispatch' && inputs.max_research_iterations || 10 }}
KHOJ_AUTO_READ_WEBPAGE: ${{ github.event_name == 'workflow_dispatch' && inputs.auto_read_webpage || 'false' }}

14
tests/evals/eval.py
View File

@@ -40,6 +40,7 @@ GEMINI_API_KEY = os.getenv("GEMINI_API_KEY")
GEMINI_EVAL_MODEL = os.getenv("GEMINI_EVAL_MODEL", "gemini-2.5-flash")
LLM_SEED = int(os.getenv("KHOJ_LLM_SEED")) if os.getenv("KHOJ_LLM_SEED") else None
DATASET_SEED = int(os.getenv("DATASET_SEED")) if os.getenv("DATASET_SEED") else None
SAMPLE_SIZE = os.getenv("SAMPLE_SIZE") # Number of examples to evaluate
RANDOMIZE = os.getenv("RANDOMIZE", "false").lower() == "true" # Randomize examples
BATCH_SIZE = int(
@@ -196,7 +197,7 @@ def load_frames_dataset():
try:
dataset = load_dataset("google/frames-benchmark")
# Use test split for evaluation. Sample and shuffle dataset if configured
dataset = dataset.shuffle() if RANDOMIZE else dataset
dataset = dataset.shuffle(seed=DATASET_SEED) if RANDOMIZE else dataset
return dataset["test"][: int(SAMPLE_SIZE)] if SAMPLE_SIZE else dataset["test"]
except Exception as e:
@@ -238,7 +239,7 @@ def load_simpleqa_dataset():
# Convert benchmark to HF Dataset
dataset = Dataset.from_list(formatted_data)
dataset = dataset.shuffle() if RANDOMIZE else dataset
dataset = dataset.shuffle(seed=DATASET_SEED) if RANDOMIZE else dataset
dataset = dataset.select(range(int(SAMPLE_SIZE))) if SAMPLE_SIZE else dataset
return dataset
@@ -275,7 +276,10 @@ def load_gpqa_dataset():
row["Incorrect Answer 3"],
row["Correct Answer"],
]
# Shuffle choices
# Shuffle choices with deterministic seed if provided
if DATASET_SEED is not None:
random.Random(DATASET_SEED).shuffle(choices)
else:
random.shuffle(choices)
# Get correct answer letter
@@ -307,7 +311,7 @@ D) {choices[3]}
dataset = dataset.add_column("Answer", [p[1] for p in prompts_and_answers])
# Sample and shuffle dataset if configured
dataset = dataset.shuffle() if RANDOMIZE else dataset
dataset = dataset.shuffle(seed=DATASET_SEED) if RANDOMIZE else dataset
dataset = dataset[: int(SAMPLE_SIZE)] if SAMPLE_SIZE else dataset
return dataset
@@ -331,7 +335,7 @@ def load_math500_dataset():
# Load the MATH500 dataset from HuggingFace
dataset = load_dataset("HuggingFaceH4/MATH-500", split="test")
dataset = dataset.rename_columns({"problem": "Prompt", "answer": "Answer", "subject": "reasoning_types"})
dataset = dataset.shuffle() if RANDOMIZE else dataset
dataset = dataset.shuffle(seed=DATASET_SEED) if RANDOMIZE else dataset
dataset = dataset.select(range(int(SAMPLE_SIZE))) if SAMPLE_SIZE else dataset
return dataset