From 2ee85837ce4f64a31a0678a3b082cc5b8dff2ed2 Mon Sep 17 00:00:00 2001
From: Jason Ansel <jansel@meta.com>
Date: Wed, 24 Sep 2025 20:29:50 -0700
Subject: [PATCH] Increase default num_generations to 40

stack-info: PR: https://github.com/pytorch/helion/pull/677, branch: jansel/stack/147
---
 helion/autotuner/differential_evolution.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/helion/autotuner/differential_evolution.py b/helion/autotuner/differential_evolution.py
index bbddbe0b1..8f4cc36ab 100644
--- a/helion/autotuner/differential_evolution.py
+++ b/helion/autotuner/differential_evolution.py
@@ -27,7 +27,7 @@ def __init__(
         kernel: BoundKernel,
         args: Sequence[object],
         population_size: int = 40,
-        num_generations: int = 20,
+        num_generations: int = 40,
         crossover_rate: float = 0.8,
         immediate_update: bool | None = None,
     ) -> None: