From 622e0b14c280e89dd338064bce5d4e9c56eb0875 Mon Sep 17 00:00:00 2001
From: Tomasz Sobczyk <tomasz.sobczyk1997@gmail.com>
Date: Wed, 25 Nov 2020 23:13:06 +0100
Subject: [PATCH] Remove superfluous example shuffling. Shuffling now only
 happens on reading.

---
 src/nnue/evaluate_nnue_learner.cpp | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/nnue/evaluate_nnue_learner.cpp b/src/nnue/evaluate_nnue_learner.cpp
index 4a1a163d..78446af2 100644
--- a/src/nnue/evaluate_nnue_learner.cpp
+++ b/src/nnue/evaluate_nnue_learner.cpp
@@ -202,7 +202,6 @@ namespace Eval::NNUE {
         learning_rate /= batch_size;
 
         std::lock_guard<std::mutex> lock(examples_mutex);
-        std::shuffle(examples.begin(), examples.end(), rng);
 
         double abs_eval_diff_sum = 0.0;
         double abs_discrete_eval_sum = 0.0;