From 2c5dcc4f22ccb2852dde342ac9b3bd068115c51c Mon Sep 17 00:00:00 2001
From: Olatunji Ruwase <tunji.ruwase@snowflake.com>
Date: Mon, 15 Jun 2026 15:50:49 +0000
Subject: [PATCH] Default gradient_clipping to 1.0

Change GRADIENT_CLIPPING_DEFAULT from 0. (disabled) to 1.0 so configs that omit
the key clip at 1.0 by default, matching common RL/LLM training and the FSDP2
reference. Explicit "gradient_clipping": 0.0 still disables clipping.

Signed-off-by: Olatunji Ruwase <tunji.ruwase@snowflake.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
---
 deepspeed/runtime/constants.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deepspeed/runtime/constants.py b/deepspeed/runtime/constants.py
index 9e73bad73376..d9f3ba1639e4 100755
--- a/deepspeed/runtime/constants.py
+++ b/deepspeed/runtime/constants.py
@@ -251,7 +251,7 @@
 "gradient_clipping": 1.0
 '''
 GRADIENT_CLIPPING = 'gradient_clipping'
-GRADIENT_CLIPPING_DEFAULT = 0.
+GRADIENT_CLIPPING_DEFAULT = 1.0
 
 #########################################
 # Capture graph for short kernels sequences