diff --git a/main.cpp b/main.cpp
index ca852d33..6e4dc99e 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,235 +1,155 @@
 #include "pip.h"
 
-static const char * smallstr = "abcdef";
-
-static const char * bigstr = "zsxdcgfhvbncjdbasljcvavcjadnwnxudvbabdhjlavudvdaljsvclavjlasdhvcjhldsavhjldasvfjlhsavdjhavdjhvfjhldasvfjlasvfhjldasvfhjasvfdjdasfhvjldasvhfjlasvfhjlahsvdfhjfvfvdjalsvfjlhasdvfdjsalvfhhjldasvfdjhaldsvfhjdvsfjhlavfjhlavfladlsvfjlasdvfdhjlavfhjldasvfhjlavfhjldvfhjlalsdvfjlhvasfhjlvchjlavchjladvchjldladvschjlladscvjlhdcahjchjllcahjllvcdjladsvhldbcljadsbcjdhlsachjlvdsa hjlcldajc hljdascbhaldb cldhashd l cajlhs chdsbfhlbfdasdffadsfjkbfkjldsabflhbcldhsbhclabchljadsbchldahsbcladsbhclhabhasbclasbdhl";
-
-PIKbdListener kbd(0, 0, false);
-#include <iostream>
-#include <codecvt>
-
-
-using namespace PICoutManipulators;
 
 int main(int argc, char * argv[]) {
-	/*PIVariant vi;
-	piCout << vi;
-	vi = 1;
-	piCout << vi << vi.toString();
-	vi = "string";
-	piCout << vi << vi.toStringList();
-	vi = PIStringList("2");
-	piCout << vi << vi.toInt();*/
-
-	/*auto cmp = [](const PIConstChars & c0, const PIConstChars & c1){
-		PICout(DefaultControls) << c0 << "==" << c1 << "->" << (c0 != c1);
-	};
-	PIConstChars s;
-	PICout(DefaultControls | AddQuotes) << s;
-	s = PIConstChars("str", 2);
-	PICout(DefaultControls | AddQuotes) << s;
-	cmp(PIConstChars(), PIConstChars());
-	cmp(PIConstChars("str"), PIConstChars());
-	cmp(PIConstChars(), PIConstChars("s_tr"));
-	cmp(PIConstChars("str1"), PIConstChars("str"));
-	cmp(PIConstChars("str"), PIConstChars("str2"));
-	cmp(PIConstChars("str"), PIConstChars("sTr"));
-	cmp(PIConstChars("str"), PIConstChars("str"));
-	cmp(PIConstChars("1a"), PIConstChars("1b"));
-	cmp(PIConstChars("1c"), PIConstChars("1b"));*/
-
-	/*PIMap<PIConstChars, int> map;
-	map[PIConstChars()] = 0;
-	map[PIConstChars()] = -1;
-	map["_2"] = 22;
-	map["1"] = 11;
-	map["__3"] = 33;
-	map["10"] = 10;
-	map[""] = 999;
-	piCout << map;
-
-	piCout << PIConstChars().toString();
-	piCout << PIConstChars("").toString();
-	piCout << PIConstChars("str").toString();
-	PIConstChars s = "  1 2 \t";
-	piCout <<  "trim:";
-	PICout(DefaultControls | AddQuotes) << s.trimmed();
-	PICout(DefaultControls | AddQuotes) << s;
-	PICout(DefaultControls | AddQuotes) << s.isEmpty();*/
-
-	/*piCout << PIIODevice::availablePrefixes();
-	auto * d = PIIODevice::createFromFullPath("ser://COM1");
-	piCout << "";
-	piCout << d;
-	d->dump();
-	d = PIIODevice::createFromFullPath("eth://udp:127.0.0.1:5000");
-	piCout << "";
-	piCout << d;
-	d->dump();*/
-
-	piCout << "";
-	dumpApplication();
-
-	return 0;
-
-	auto rstr = PIString::fromUTF8("ascii русский!");
-	/*for (PIChar c: rstr)
-		std::wcout << c.toWChar();
-	std::wcout << std::endl;*/
-	piCout << PIChar::fromUTF8("│");
-	piCout << PICoutManipulators::Hex << (int)PIChar::fromUTF8("│").toWChar();
-	piCout << rstr;
-
-	/*char rs[] = "й";
-	piCout << PIString(PIChar::fromUTF8(rs));
-	std::cout << sizeof(rs) << " chars ";
-	for (int i = 0; i < sizeof(rs); ++i)
-		std::cout << "'" << (char)(rs[i]) << "' " << (int)(uchar)(rs[i]);
-	std::cout << std::endl;
-	CONNECTL(&kbd, keyPressed, ([](PIKbdListener::KeyEvent k, void*){
-		;
-		piCout << k.key << PIChar((ushort)k.key);
-	}));
-	kbd.start();
-	WAIT_FOR_EXIT;*/
-	//return 0;
-	static const int cc = 1000000;
+	const int repeat = 1000;
+	const int no_repeat = 1;
+	const int small_cnt = 1000;
+	const int big_cnt = 1000000;
 	PITimeMeasurer tm;
-	int l = 0;
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s(smallstr);
-		l = s.size();
-	}
-	piCout << l << "PIString()" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = smallstr;
-		l = s.size();
-	}
-	piCout << l << "PIString =" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIStringAscii(smallstr);
-		l = s.size();
-	}
-	piCout << l << "PIStringAscii" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s;
-		s += smallstr;
-		s += "1";
-		l = s.size();
-	}
-	piCout << l << "PIString + PIString" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIStringAscii(smallstr) + "1";
-		l = s.size();
-	}
-	piCout << l << "PIStringAscii + PIString" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromUTF8(smallstr);
-		l = s.size();
-	}
-	piCout << l << "PIString::fromUTF8" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromSystem(smallstr);
-		l = s.size();
-	}
-	piCout << l << "PIString::fromSystem" << tm.elapsed_m();
-	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromAscii(smallstr);
-		l = s.size();
-	}
-	piCout << l << "PIString::fromAscii" << tm.elapsed_m();
 
+
+	piCout << "map<int, int> insert...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s(bigstr);
-		l = s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1.insert(i, i);
+		}
 	}
-	piCout << l << "PIString()" << tm.elapsed_m();
+	piCout << "map<int, int> insert" << tm.elapsed_m();
+	piCout << "map<int, int> insert []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = bigstr;
-		l = s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1[i] = i;
+		}
 	}
-	piCout << l << "PIString =" << tm.elapsed_m();
+	piCout << "map<int, int> insert []" << tm.elapsed_m();
+	piCout << "map<int, int> insert rnd...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIStringAscii(bigstr);
-		l = s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1.insert(randomi(), i);
+		}
 	}
-	piCout << l << "PIStringAscii" << tm.elapsed_m();
+	piCout << "map<int, int> insert rnd" << tm.elapsed_m();
+	piCout << "map<int, int> insert rnd []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s;
-		s += bigstr;
-		s += "1";
-		l = s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1[randomi()] = i;
+		}
 	}
-	piCout << l << "PIString + PIString" << tm.elapsed_m();
+	piCout << "map<int, int> insert rnd []" << tm.elapsed_m();
+
+	piCout << "bigmap<int, int> insert...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIStringAscii(bigstr) + "1";
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1.insert(i, i);
+		}
 	}
-	piCout << l << "PIStringAscii + PIString" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromUTF8(bigstr);
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1[i] = i;
+		}
 	}
-	piCout << l << "PIString::fromUTF8" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert []" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert rnd...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromSystem(bigstr);
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1.insert(randomi(), i);
+		}
 	}
-	piCout << l << "PIString::fromSystem" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert rnd" << tm.elapsed_m();
+	piCout << "bigmap<int, int> insert rnd []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromAscii(bigstr);
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<int, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1[randomi()] = i;
+		}
 	}
-	piCout << l << "PIString::fromAscii" << tm.elapsed_m();
-	PIString is = PIString::fromAscii(bigstr);
+	piCout << "bigmap<int, int> insert rnd []" << tm.elapsed_m();
+
+	PIStringList small_sl;
+	for (int i=0; i<small_cnt; ++i) small_sl << PIString::fromNumber(randomd());
+	PIStringList big_sl;
+	for (int i=0; i<big_cnt; ++i) big_sl << PIString::fromNumber(randomd());
+	piCout << "map<PIString, int> insert...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		l = is.toByteArray().size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<PIString, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1.insert(small_sl[i], i);
+		}
 	}
-	piCout << l << "PIString::toByteArray" << tm.elapsed_m();
-	PIByteArray ba = is.toByteArray();
+	piCout << "map<PIString, int> insert" << tm.elapsed_m();
+	piCout << "map<PIString, int> insert []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromUTF8(ba);
-		l = s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIMap<PIString, int> m1;
+		for (int i=0; i<small_cnt; ++i) {
+			m1[small_sl[i]] = i;
+		}
 	}
-	piCout << l << "PIString::fromByteArray" << tm.elapsed_m();
+	piCout << "map<PIString, int> insert []" << tm.elapsed_m();
+
+	piCout << "bigmap<PIString, int> insert...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = PIString::fromNumber(ba.size());
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<PIString, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1.insert(big_sl[i], i);
+		}
 	}
-	piCout << l << "PIString::fromNumber" << tm.elapsed_m();
+	piCout << "bigmap<PIString, int> insert" << tm.elapsed_m();
+	piCout << "bigmap<PIString, int> insert []...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = is;
-		l = s.size();
+	for (int c=0; c<no_repeat; ++c) {
+		PIMap<PIString, int> m1;
+		for (int i=0; i<big_cnt; ++i) {
+			m1[big_sl[i]] = i;
+		}
 	}
-	piCout << l << "PIString::assign empty" << tm.elapsed_m();
-	PIString is2 = PIString::fromUTF8(ba);
+	piCout << "bigmap<PIString, int> insert []" << tm.elapsed_m();
+
+
+	PIMap<int, int> m1;
+	for (int i=0; i<big_cnt; ++i) m1.insert(i,i);
+	piCout << "map<int, int> interate...";
 	tm.reset();
-	for(int i=0; i<cc; ++i) {
-		PIString s = is;
-		l = s.size();
-		s = is2;
-		l += s.size();
+	for (int c=0; c<repeat; ++c) {
+		PIVector<int> v;
+		v.reserve(m1.size());
+		auto it = m1.makeIterator();
+		while (it.next()) v << it.value();
 	}
-	piCout << l << "PIString::assign non empty" << tm.elapsed_m();
+	piCout << "map<int, int> interate" << tm.elapsed_m();
+
+	PIMap<PIString, int> m2;
+	for (int i=0; i<big_cnt; ++i) {
+		m2.insert(big_sl[i], i);
+	}
+	piCout << "map<PIString, int> interate...";
+	tm.reset();
+	for (int c=0; c<repeat; ++c) {
+		PIVector<int> v;
+		v.reserve(m2.size());
+		auto it = m2.makeIterator();
+		while (it.next()) v << it.value();
+	}
+	piCout << "map<PIString, int> interate" << tm.elapsed_m();
 	return 0;
 }