diff --git a/ensp/benchmark/benchaccuracy/enspVSnegpspan_legend.pdf b/ensp/benchmark/benchaccuracy/enspVSnegpspan_legend.pdf
index ee85f093f8c5b04e39812e642921684bb67a9fe5..dab49ccf8a9aad9f9e5fac2cac77fc92425680f6 100644
Binary files a/ensp/benchmark/benchaccuracy/enspVSnegpspan_legend.pdf and b/ensp/benchmark/benchaccuracy/enspVSnegpspan_legend.pdf differ
diff --git a/ensp/benchmark/benchaccuracy/enspVSnegpspan_recall.pdf b/ensp/benchmark/benchaccuracy/enspVSnegpspan_recall.pdf
index 4bf754bb0f57272e4a0f655da46aff51ed7fa489..5ac299144c20b6921ebde59353a4714980794da6 100644
Binary files a/ensp/benchmark/benchaccuracy/enspVSnegpspan_recall.pdf and b/ensp/benchmark/benchaccuracy/enspVSnegpspan_recall.pdf differ
diff --git a/ensp/benchmark/benchaccuracy/enspVSnegpspan_time.pdf b/ensp/benchmark/benchaccuracy/enspVSnegpspan_time.pdf
index 6e26a8442374e3c908e14b47b88e24e91a1c8eb4..fead0f1cd5bdba6e077abe5f014de746a4a8f6a3 100644
Binary files a/ensp/benchmark/benchaccuracy/enspVSnegpspan_time.pdf and b/ensp/benchmark/benchaccuracy/enspVSnegpspan_time.pdf differ
diff --git a/ensp/benchmark/benchaccuracy/ensp_recall.pdf b/ensp/benchmark/benchaccuracy/ensp_recall.pdf
index 137d1236a05d10eb51dac3812b10c4c37fadede9..824f7e1e7debc7ce11d5c99098a2e1089b958424 100644
Binary files a/ensp/benchmark/benchaccuracy/ensp_recall.pdf and b/ensp/benchmark/benchaccuracy/ensp_recall.pdf differ
diff --git a/ensp/benchmark/benchaccuracy/negpspan_recall.pdf b/ensp/benchmark/benchaccuracy/negpspan_recall.pdf
index 4fa34441c35a1e3b0cba36d7cf69a3a1256bc8d0..e76e5aa63778b816ebaa9b52c85c1248fd2aaa00 100644
Binary files a/ensp/benchmark/benchaccuracy/negpspan_recall.pdf and b/ensp/benchmark/benchaccuracy/negpspan_recall.pdf differ
diff --git a/ensp/benchmark/cmp_seqlength/DrawCurves.R b/ensp/benchmark/cmp_seqlength/DrawCurves.R
index 68bb29471f9e4c06f578ccc2d9af2949a43a5db8..771105cf0a974a38f7bc4eea9094aa83b130f76f 100644
--- a/ensp/benchmark/cmp_seqlength/DrawCurves.R
+++ b/ensp/benchmark/cmp_seqlength/DrawCurves.R
@@ -56,6 +56,16 @@ if(export_legend) {
 }
 p
 
+###
+# compute regression coefficients
+fp=0
+expo.model=lm(formula = time ~ exp(len), data = data[data$fp == fp, ])
+print(expo.model$coefficients)
+print(log(expo.model$coefficients[2]))
+plot(data[data$fp == fp, ]$len, data[data$fp == fp, ]$time, pch=16)
+lines(data[data$fp == fp, ]$len, predict(expo.model,list(len=data[data$fp == fp, ]$len)), lwd=2, col = "red")
+
+
 ggsave(filename="timeVSlength.pdf", plot=p, width = 12, height = 7)
 
 if(export_legend) {
diff --git a/ensp/benchmark/cmp_seqlength/legend_length.pdf b/ensp/benchmark/cmp_seqlength/legend_length.pdf
index 1383aeaf8fcc4f71c4a09d2f6b5f1584d77c5b51..9c4a6da3705504072decdd713f4692147d8c6354 100644
Binary files a/ensp/benchmark/cmp_seqlength/legend_length.pdf and b/ensp/benchmark/cmp_seqlength/legend_length.pdf differ
diff --git a/ensp/benchmark/cmp_seqlength/maxRSSVSlength.pdf b/ensp/benchmark/cmp_seqlength/maxRSSVSlength.pdf
index 214d3b36c592ae4291d54a878e172b8394e82634..f8a5142aeee73759415fcbce50dd1019d7f6d860 100644
Binary files a/ensp/benchmark/cmp_seqlength/maxRSSVSlength.pdf and b/ensp/benchmark/cmp_seqlength/maxRSSVSlength.pdf differ
diff --git a/ensp/benchmark/cmp_seqlength/nbpatnegVSlength.pdf b/ensp/benchmark/cmp_seqlength/nbpatnegVSlength.pdf
index 148f5e12422f8a298cd5e3b16e6ec971384e9807..25a5fdd823453d1f6c8f6c69403c53ae52aed66d 100644
Binary files a/ensp/benchmark/cmp_seqlength/nbpatnegVSlength.pdf and b/ensp/benchmark/cmp_seqlength/nbpatnegVSlength.pdf differ
diff --git a/ensp/benchmark/cmp_seqlength/timeVSlength.pdf b/ensp/benchmark/cmp_seqlength/timeVSlength.pdf
index b44b4a567086b152ebea12ce4c5b70bc21b9b5de..4c831f9bd77ec17b2ce40a9309fdf321e0628ba7 100644
Binary files a/ensp/benchmark/cmp_seqlength/timeVSlength.pdf and b/ensp/benchmark/cmp_seqlength/timeVSlength.pdf differ
diff --git a/ensp/benchmark/cmp_vocsize/DrawCurves.R b/ensp/benchmark/cmp_vocsize/DrawCurves.R
index 6bbbf01fe7b5c95ead66c00657531735552011e7..49a74945e48fa0f9f34c9dd597f66e8450afdee1 100644
--- a/ensp/benchmark/cmp_vocsize/DrawCurves.R
+++ b/ensp/benchmark/cmp_vocsize/DrawCurves.R
@@ -40,7 +40,7 @@ p <- p + scale_color_discrete(
 p <- p + scale_shape_discrete(
   limits=c('-1','0','8','10'),
   labels=c('-1'=expression("NegPSpan ("~italic(tau)~"="~infinity~")"),'0'= expression("NegPSpan ("~italic(tau)~"=10 )"),'8'= expression("eNSP ("~varsigma~"= 0.8"~sigma~")"), '10'= expression("eNSP ("~varsigma~"="~sigma~")")))
-#p <- p + geom_hline(yintercept=c(300),linetype=5)
+p <- p + geom_hline(yintercept=c(300),linetype=5)
 p <- p + theme_bw()
 p <- p + theme(
   axis.text.x = element_text(size = 20, color='black'),
diff --git a/ensp/benchmark/cmp_vocsize/legend_ql.pdf b/ensp/benchmark/cmp_vocsize/legend_ql.pdf
index 0a86d5d22748717708d427cd4088fca58a6f5654..b1b875f0ea510a1f51b2ae75ea277d73389ae8cc 100644
Binary files a/ensp/benchmark/cmp_vocsize/legend_ql.pdf and b/ensp/benchmark/cmp_vocsize/legend_ql.pdf differ
diff --git a/ensp/benchmark/cmp_vocsize/maxRSSVSql.pdf b/ensp/benchmark/cmp_vocsize/maxRSSVSql.pdf
index a592b4e7b08d0b4c3605a42b31925bfa1a37bb21..cfe6c6fc66b623f328d19a3d8fe242438fb91db6 100644
Binary files a/ensp/benchmark/cmp_vocsize/maxRSSVSql.pdf and b/ensp/benchmark/cmp_vocsize/maxRSSVSql.pdf differ
diff --git a/ensp/benchmark/cmp_vocsize/nbpatnegVSql.pdf b/ensp/benchmark/cmp_vocsize/nbpatnegVSql.pdf
index 63175e180f5843c81c3b1a429d656f5748be1435..9e44d5b76319f51c300f50787d70499664ef8919 100644
Binary files a/ensp/benchmark/cmp_vocsize/nbpatnegVSql.pdf and b/ensp/benchmark/cmp_vocsize/nbpatnegVSql.pdf differ
diff --git a/ensp/benchmark/cmp_vocsize/timeVSql.pdf b/ensp/benchmark/cmp_vocsize/timeVSql.pdf
index 500a61bae4a95bfa0f4df79e8e929857b6565cd6..0717c5534ebe35e3d809c8659d6a03a6f7c6a576 100644
Binary files a/ensp/benchmark/cmp_vocsize/timeVSql.pdf and b/ensp/benchmark/cmp_vocsize/timeVSql.pdf differ