From aee8e559c476115fd11a9c36a0bcd22781da39c1 Mon Sep 17 00:00:00 2001
From: Jens Steube <jens.steube@gmail.com>
Date: Sun, 31 Oct 2021 10:05:58 +0100
Subject: [PATCH] PDF Kernel (10700): Improved performance on AMD GPU by using
 shared memory for the scratch buffer and disable inlining to save spilling
 Inspired by
 https://github.com/reger-men/hashcat/blob/6.2.4/OpenCL/m10700-optimized.cl

---
 OpenCL/inc_vendor.h        | 11 +++++++++++
 OpenCL/m10700-optimized.cl |  2 +-
 docs/changes.txt           |  2 +-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/OpenCL/inc_vendor.h b/OpenCL/inc_vendor.h
index 43f5d8fb8..7ab1b46b0 100644
--- a/OpenCL/inc_vendor.h
+++ b/OpenCL/inc_vendor.h
@@ -130,6 +130,17 @@
 #define DECLSPEC
 #endif
 
+#define INLINE0 __attribute__ ((noinline))
+#define INLINE1 __attribute__ ((inline))
+
+#if defined IS_AMD && defined IS_GPU
+#define INLINE INLINE0
+#elif defined IS_HIP
+#define INLINE INLINE0
+#else
+#define INLINE
+#endif
+
 /**
  * AMD specific
  */
diff --git a/OpenCL/m10700-optimized.cl b/OpenCL/m10700-optimized.cl
index 8450f0480..6ff23bd73 100644
--- a/OpenCL/m10700-optimized.cl
+++ b/OpenCL/m10700-optimized.cl
@@ -315,7 +315,7 @@ DECLSPEC void make_w_with_offset (ctx_t *ctx, const u32 W_len, const u32 offset,
   }
 }
 
-DECLSPEC u32 do_round (LOCAL_AS u32 *sc, const u32 *pw, const u32 pw_len, ctx_t *ctx, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
+DECLSPEC INLINE u32 do_round (LOCAL_AS u32 *sc, const u32 *pw, const u32 pw_len, ctx_t *ctx, SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4)
 {
   // make scratch buffer
 
diff --git a/docs/changes.txt b/docs/changes.txt
index ef648bef2..efbc35dbc 100644
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -13,7 +13,7 @@
 ## Performance
 ##
 
-- PDF Kernel (10700): Improved performance on AMD GPU by using shared memory for the scratch buffer
+- PDF Kernel (10700): Improved performance on AMD GPU by using shared memory for the scratch buffer and disable inlining to save spilling
 
 ##
 ## Bugs