From b1fdcdb1dd5ae97bca657667496974e9d2f403c8 Mon Sep 17 00:00:00 2001
From: Rickard Green <rickard@erlang.org>
Date: Tue, 26 Feb 2019 11:52:46 +0100
Subject: Bump reductions on send based on message size

---
 erts/emulator/beam/erl_message.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'erts/emulator/beam/erl_message.h')

diff --git a/erts/emulator/beam/erl_message.h b/erts/emulator/beam/erl_message.h
index b2550814fd..56f655c81b 100644
--- a/erts/emulator/beam/erl_message.h
+++ b/erts/emulator/beam/erl_message.h
@@ -26,6 +26,12 @@
 #include "erl_proc_sig_queue.h"
 #undef ERTS_PROC_SIG_QUEUE_TYPE_ONLY
 
+#ifdef DEBUG
+#define ERTS_MSG_COPY_WORDS_PER_REDUCTION 4
+#else
+#define ERTS_MSG_COPY_WORDS_PER_REDUCTION 64
+#endif
+
 struct proc_bin;
 struct external_thing_;
 
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