From 9f8dbc4787f32cd9c13b5c647d497d13c1a06db2 Mon Sep 17 00:00:00 2001
From: Sami Farin <3876865+Safari77@users.noreply.github.com>
Date: Tue, 9 May 2023 15:29:20 +0300
Subject: [PATCH] =?UTF-8?q?use=20pause=20asm=20insn=20in=20busyloop=20to?=
 =?UTF-8?q?=20run=20the=20CPU=20(13600K)=2010=20=C2=B0C=20cooler=20(#1314)?=
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* use pause asm insn in busyloop to run the CPU (13600K) 10 °C cooler

Tested with a 13B model.

* use _mm_pause() in busyloop

* use _mm_pause() in busyloop on x86_64 to reduce power consumption
---
 ggml.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ggml.c b/ggml.c
index 1b89bdd89..4e309df8a 100644
--- a/ggml.c
+++ b/ggml.c
@@ -11663,7 +11663,11 @@ typedef int ggml_lock_t;
 
 #define ggml_lock_init(x)    UNUSED(x)
 #define ggml_lock_destroy(x) UNUSED(x)
+#if defined(__x86_64__) || (defined(_MSC_VER) && defined(_M_AMD64))
+#define ggml_lock_lock(x)    _mm_pause()
+#else
 #define ggml_lock_lock(x)    UNUSED(x)
+#endif
 #define ggml_lock_unlock(x)  UNUSED(x)
 
 #define GGML_LOCK_INITIALIZER 0