diff --git a/doc/perfcomp_all.png b/doc/perfcomp_all.png new file mode 100644 index 0000000..8bcccf6 Binary files /dev/null and b/doc/perfcomp_all.png differ diff --git a/doc/perfcomp_v4.png b/doc/perfcomp_v4.png new file mode 100644 index 0000000..6c6ac39 Binary files /dev/null and b/doc/perfcomp_v4.png differ