From 91dfd7e06c8e1e5499ffd4137053b4b238b7eb45 Mon Sep 17 00:00:00 2001
From: "Brad Payne (Vir Linden)" <vir@lindenlab.com>
Date: Tue, 31 Jul 2018 14:02:42 +0100
Subject: [PATCH] SL-944 - disabled a not-very-useful assert that greatly slows
 the RWD build

---
 indra/llcommon/llmemory.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/indra/llcommon/llmemory.h b/indra/llcommon/llmemory.h
index 5b17d9e3a45..f04ae5f5cbe 100644
--- a/indra/llcommon/llmemory.h
+++ b/indra/llcommon/llmemory.h
@@ -60,6 +60,12 @@ class LLMutex ;
 LL_COMMON_API void ll_assert_aligned_func(uintptr_t ptr,U32 alignment);
 
 #ifdef SHOW_ASSERT
+// This is incredibly expensive - in profiling Windows RWD builds, 30%
+// of CPU time was in aligment checks.
+//#define ASSERT_ALIGNMENT
+#endif
+
+#ifdef ASSERT_ALIGNMENT
 #define ll_assert_aligned(ptr,alignment) ll_assert_aligned_func(uintptr_t(ptr),((U32)alignment))
 #else
 #define ll_assert_aligned(ptr,alignment)
-- 
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