From fcb391919ffa5ac9edbb08a3ffc08e7f1831bdb4 Mon Sep 17 00:00:00 2001
From: No name <no@email>
Date: Fri, 10 Jul 2020 20:39:49 +0300
Subject: [PATCH] Disable EVAL_HASH for 'nnue' target

Gives a 7% speed gain for me, without any parameter set loaded
(all-zero).
---
 src/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Makefile b/src/Makefile
index 5d32def0..1c3645b6 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -664,7 +664,7 @@ icc-profile-use:
 	all
 
 nnue: config-sanity
-	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_NNUE -DUSE_EVAL_HASH -DENABLE_TEST_CMD -fopenmp' LDFLAGS='$(LDFLAGS) -fopenmp' build
+	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_NNUE -DENABLE_TEST_CMD -fopenmp' LDFLAGS='$(LDFLAGS) -fopenmp' build
 
 nnue-gen-sfen-from-original-eval: config-sanity
 	$(MAKE) CXXFLAGS='$(CXXFLAGS) -DEVAL_LEARN -DUSE_EVAL_HASH -DENABLE_TEST_CMD -fopenmp' LDFLAGS='$(LDFLAGS) -fopenmp' build