diff --git a/Fonderie/Makefile b/Fonderie/Makefile
index 0d42726..578c179 100644
--- a/Fonderie/Makefile
+++ b/Fonderie/Makefile
@@ -12,7 +12,7 @@ OBJS = fonctions.o sfx.o crapulator.o glitches.o metriques.o	\
 DEPS = fonctions.h crapulator.h metriques.h glitches.h sfx.h	\
 	filterstack.h crapdef.h crapstr.h single.h
 
-all:	fonderie interpolator t
+all:	fonderie interpolator singlepass t
 
 # ---------------------------------------------------------
 
diff --git a/Fonderie/essai.sh b/Fonderie/essai.sh
index 0bbe3e3..295465c 100755
--- a/Fonderie/essai.sh
+++ b/Fonderie/essai.sh
@@ -31,8 +31,8 @@ convert -delay 200 /tmp/fstack*.png foo.gif
 essai_singlepass ()
 {
 MP4="/home/tth/Essais/FondageDePlomb/foo.mp4"
-INPUT="/home/tth/Essais/FondageDePlomb/capture/???[04]0.fimg"
-FILTRE="water:water:liss3x3"
+INPUT="/home/tth/Essais/FondageDePlomb/capture/??090.fimg"
+FILTRE="water:liss3x3"
 OUTDIR="/tmp/x8/"
 
 echo '********* essai single *********'
diff --git a/Fonderie/filterstack.c b/Fonderie/filterstack.c
index f92322e..a0ca3dc 100644
--- a/Fonderie/filterstack.c
+++ b/Fonderie/filterstack.c
@@ -230,6 +230,7 @@ for (;;) {
 			fprintf(stderr, "%s: err %d add\n",
 					__func__, foo);
 			}
+		continue;
 		}
 	}
 
diff --git a/Fonderie/single.c b/Fonderie/single.c
index fea6f48..9ebe539 100644
--- a/Fonderie/single.c
+++ b/Fonderie/single.c
@@ -65,7 +65,7 @@ fprintf(stderr, ">>> %s ( %p )\n", __func__, pimg);
 
 strncpy(line, destination, 100);
 if ('/' != line[strlen(line)-1]) {
-	fprintf(stderr, "adding '/'\n");
+	// fprintf(stderr, "adding '/'\n");
 	strcat(line, "/");
 	}
 
diff --git a/Fonderie/singlepass.c b/Fonderie/singlepass.c
index 5a2ebd4..c7ddbc0 100644
--- a/Fonderie/singlepass.c
+++ b/Fonderie/singlepass.c
@@ -29,6 +29,7 @@ FloatImg	image = { 0 };
 int		idx, foo;
 glob_t		globbuf;
 char		*fname;
+double		elapsed;
 
 #if DEBUG_LEVEL
 fprintf(stderr, ">>> %s ( '%s' '%s' %d )\n", __func__,
@@ -37,6 +38,8 @@ fprintf(stderr, ">>> %s ( '%s' '%s' %d )\n", __func__,
 
 // filterstack_list(fchain, "Run the single pass");
 
+(void)fimg_timer_set(0);
+
 foo = single_init(0, destdir, fchain);
 if (foo) {
 	fprintf(stderr, "erreur %d single_init\n", foo);
@@ -96,16 +99,21 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 	}
 
 fprintf(stderr, "\n");
-single_print_state("end of run :)", 0);
 
 fimg_destroy(&image);
+single_print_state("end of run :)", 0);
 
-return -1;
+elapsed = fimg_timer_get(0);
+fprintf(stderr, "   %d frames, elapsed %.3f s, %.3f fps\n",
+				globbuf.gl_pathc, elapsed,
+				(double)globbuf.gl_pathc/elapsed);
+
+return 0;
 }
 /* ----------------------------------------------------------- */
 static void help(void)
 {
-puts("--- Single pass serial filter ---\nusage:");
+puts("------ Single pass serial filter ------\nusage:");
 
 puts("\t-F\tdefine:the:filter:chain");
 puts("\t-g\tinput glob pattern");