From 347d4e49285731b796021e9c2631e3bf8aee8f40 Mon Sep 17 00:00:00 2001
From: Tanguy Pruvot <tanguy.pruvot@gmail.com>
Date: Thu, 11 Sep 2014 02:08:25 +0200
Subject: [PATCH] blake: +8MH/s on linux, weird optimisation

Like doom/luffa, using a int pos make the proc faster
---
 blake32.cu  | 9 +++++++--
 cpu-miner.c | 2 +-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/blake32.cu b/blake32.cu
index 6b51e2e..103e4ce 100644
--- a/blake32.cu
+++ b/blake32.cu
@@ -241,13 +241,18 @@ void blake256_gpu_hash_80(uint32_t threads, uint32_t startNounce, uint32_t *resN
 
 		blake256_compress(h, ending, 640, blakerounds);
 
+		int pos = -1;
+		#pragma unroll 8
 		for (int i = 7; i >= 0; i--) {
 			uint32_t hash = cuda_swab32(h[i]);
 			if (hash > c_Target[i]) {
 				return;
 			}
 			if (hash < c_Target[i]) {
-				break;
+			/* dont ask me why, we lose 8MH/s in perfs
+			   without the int variable */
+				if (pos < i) pos = i;
+				//break;
 			}
 		}
 
@@ -382,7 +387,7 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt
 		}
 
 		if ((uint64_t) pdata[19] + throughput > (uint64_t) max_nonce) {
-			pdata[19] = max_nonce - first_nonce + 1;
+			pdata[19] = max_nonce;
 			break;
 		}
 
diff --git a/cpu-miner.c b/cpu-miner.c
index 830b68a..c42997a 100644
--- a/cpu-miner.c
+++ b/cpu-miner.c
@@ -1453,7 +1453,7 @@ out:
 	return NULL;
 }
 
-#define PROGRAM_VERSION "1.4.3"
+#define PROGRAM_VERSION "1.4.4"
 static void show_version_and_exit(void)
 {
 	printf("%s v%s\n"