From 82b3f70f87833f5a3365049956e0f4105d586fe9 Mon Sep 17 00:00:00 2001
From: machenmusik <machenmusik@users.noreply.github.com>
Date: Mon, 10 Jul 2023 18:09:44 -0400
Subject: [PATCH] Avoid zero duration crash (#2193)

Avoid zero duration divide-by-zero crash when processing too quickly.
---
 nerfstudio/engine/trainer.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nerfstudio/engine/trainer.py b/nerfstudio/engine/trainer.py
index 0ce05db0b..0e194b631 100644
--- a/nerfstudio/engine/trainer.py
+++ b/nerfstudio/engine/trainer.py
@@ -266,7 +266,7 @@ class Trainer:
                         name=EventName.TRAIN_RAYS_PER_SEC,
                         duration=self.world_size
                         * self.pipeline.datamanager.get_train_rays_per_batch()
-                        / train_t.duration,
+                        / max(0.001, train_t.duration),
                         step=step,
                         avg_over_steps=True,
                     )