From 1acfadfc982ec606f980485e1d01518d2d9101f6 Mon Sep 17 00:00:00 2001
From: Alexandre Lissy <lissyx@lissyx.dyndns.org>
Date: Thu, 27 Jun 2019 16:51:19 +0200
Subject: [PATCH] Document TF_FORCE_GPU_ALLOW_GROWTH

Fixes #2211
---
 README.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/README.md b/README.md
index 6719adac..09e4b9fb 100644
--- a/README.md
+++ b/README.md
@@ -268,6 +268,14 @@ pip3 install 'tensorflow-gpu==1.13.1'
 
 Please ensure you have the required [CUDA dependency](#cuda-dependency).
 
+It has been reported for some people failure at training:
+```
+tensorflow.python.framework.errors_impl.UnknownError: Failed to get convolution algorithm. This is probably because cuDNN failed to initialize, so try looking to see if a warning log message was printed above.
+	 [[{{node tower_0/conv1d/Conv2D}}]]
+```
+
+Setting the `TF_FORCE_GPU_ALLOW_GROWTH` environment variable to `true` seems to help in such cases.
+
 ### Common Voice training data
 
 The Common Voice corpus consists of voice samples that were donated through Mozilla's [Common Voice](https://voice.mozilla.org/) Initiative.