From ee9b2773a8a70f3c30a4f05e00b6c873eb7d1927 Mon Sep 17 00:00:00 2001
From: Heng Li <lh3@me.com>
Date: Fri, 29 Sep 2017 22:33:55 -0400
Subject: [PATCH] r456: min chain score should >k-mer length

or chain_dp() wastes time on unnecessarily sorting chains with one k-mer.
---
 main.c | 2 +-
 map.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/main.c b/main.c
index 83d69db..85a1117 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 #include "mmpriv.h"
 #include "getopt.h"
 
-#define MM_VERSION "2.2-r455-dirty"
+#define MM_VERSION "2.2-r456-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>
diff --git a/map.c b/map.c
index 165f1b8..6c747bd 100644
--- a/map.c
+++ b/map.c
@@ -85,7 +85,7 @@ int mm_set_opt(const char *preset, mm_idxopt_t *io, mm_mapopt_t *mo)
 		mo->max_gap_ref = 1000;
 		mo->pri_ratio = 0.5f;
 		mo->min_cnt = 2;
-		mo->min_chain_score = 20;
+		mo->min_chain_score = 25;
 		mo->min_dp_max = 40;
 		mo->best_n = 20;
 		mo->bw = 50;