From 233c75a7f1761de4fc3b7b6ea73f0328217fffa4 Mon Sep 17 00:00:00 2001
From: SolitaryThinker <wlsaidhi@gmail.com>
Date: Mon, 20 Jul 2026 12:37:00 -0700
Subject: [PATCH] [test] Seed LTX-2 NVFP4 QAT GB200 gradient norm

Record 0.3661 from a single-GB200 forward/backward using the corrected 576-linear deployment target profile.
---
 fastvideo/tests/train/methods/grad_norm_refs.json | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fastvideo/tests/train/methods/grad_norm_refs.json b/fastvideo/tests/train/methods/grad_norm_refs.json
index ca07d583b..4df189631 100644
--- a/fastvideo/tests/train/methods/grad_norm_refs.json
+++ b/fastvideo/tests/train/methods/grad_norm_refs.json
@@ -9,6 +9,9 @@
   "test_ltx2_finetune": {
     "GB200": 0.3127
   },
+  "test_ltx2_nvfp4_qat_finetune": {
+    "GB200": 0.3661
+  },
   "test_matrixgame2_finetune": {
     "H200": 4.8247
   },