diff --git a/benchmarks/BenchOps/BenchOps.cpp b/benchmarks/BenchOps/BenchOps.cpp
index 0f89a35da..67b27a70a 100644
--- a/benchmarks/BenchOps/BenchOps.cpp
+++ b/benchmarks/BenchOps/BenchOps.cpp
@@ -17,6 +17,7 @@ Data src[16], dst[16];
 
 int count;
 
+/*
 force_inline void SSEZero16(void *t)
 {
 	_mm_storeu_si128((__m128i*)t, _mm_setzero_si128());
@@ -27,6 +28,7 @@ force_inline void SSEZero32(void *t)
 	_mm_storeu_si128((__m128i*)t, _mm_setzero_si128());
 	_mm_storeu_si128((__m128i*)t + 1, _mm_setzero_si128());
 }
+*/
 
 CONSOLE_APP_MAIN
 {
@@ -100,6 +102,12 @@ CONSOLE_APP_MAIN
 			MemoryFree32(MemoryAlloc32());
 		}
 	}
+	{
+		for(int i = 0; i < 100; i++) {
+			RTIMING("Alloc/Free huge");
+			delete[] new byte[300000];
+		}
+	}
 	{
 		RTIMING("Alloc/Free large");
 		for(int i = 0; i < N; i++) {
@@ -124,7 +132,7 @@ CONSOLE_APP_MAIN
 			dst[i & 15].Zero();
 		}
 	}
-	{
+/*	{
 		RTIMING("SSEZero32");
 		for(int i = 0; i < N; i++) {
 			SSEZero32(&dst[i & 15]);
@@ -136,7 +144,7 @@ CONSOLE_APP_MAIN
 			SSEZero16(&dst[i & 15]);
 		}
 	}
-	{
+*/	{
 		RTIMING("Copy32");
 		for(int i = 0; i < N; i++) {
 			dst[i & 15] = src[i & 15];
@@ -186,4 +194,11 @@ CONSOLE_APP_MAIN
 			dst[i & 15].xxx = src[i & 15].xxx / n;
 		}
 	}
+	{
+		int n = Random();
+		RTIMING("Mul");
+		for(int i = 0; i < N; i++) {
+			dst[i & 15].xxx = src[i & 15].xxx * n;
+		}
+	}
 }
diff --git a/benchmarks/CoWork/CoWork.cpp b/benchmarks/CoWork/CoWork.cpp
new file mode 100644
index 000000000..e25f823d6
--- /dev/null
+++ b/benchmarks/CoWork/CoWork.cpp
@@ -0,0 +1,85 @@
+#include <Core/Core.h>
+
+using namespace Upp;
+
+force_inline double Sum(const String& s)
+{
+	CParser p(s);
+	double sum = 0;
+	while(!p.IsEof())
+		sum += p.ReadDouble();
+	return sum;
+}
+
+CONSOLE_APP_MAIN
+{
+	SeedRandom(0);
+	Vector<String> data;
+	for(int i = 0; i < 10000000; i++) {
+		int n = Random(7);
+		data.Add();
+		for(int j = 0; j < n; j++)
+			data.Top() << Random() << ' ';
+	}
+	
+//	for(int i = 0; i < 10000; i++)
+	{
+		{
+			double sum = 0;
+			{
+				RTIMING("Single thread");
+				for(const String& s : data)
+					sum += Sum(s);
+			}
+//			RDUMP(sum);
+		}
+		if(0) {
+			double sum = 0;
+			{
+				RTIMING("CoWork");
+				CoWork co;
+				for(const String& s : data)
+					co & [=, &sum] {
+						double m = Sum(s);
+						CoWork::FinLock();
+						sum += m;
+					};
+			}
+//			RDUMP(sum);
+		}
+		{
+			double sum = 0;
+			{
+				RTIMING("CoPartition");
+				CoWork co;
+				CoPartition(0, data.GetCount(),
+				            [&](int l, int h) {
+					double m = 0;
+				    for(int j = l; j < h; j++)
+				        m += Sum(data[j]);
+					CoWork::FinLock();
+					sum += m;
+				});
+			}
+//			RDUMP(sum);
+		}
+		{
+			double sum = 0;
+	
+			{
+				RTIMING("CoIndex");
+	
+				CoWork co;
+				co * [&] {
+					double m = 0;
+					int i;
+					while((i = co.Next()) < data.GetCount())
+						m += Sum(data[i]);
+					CoWork::FinLock();
+					sum += m;
+				};
+			}
+//			RDUMP(sum);
+		}
+	}
+}
diff --git a/benchmarks/CoWork/CoWork.upp b/benchmarks/CoWork/CoWork.upp
new file mode 100644
index 000000000..a118efc04
--- /dev/null
+++ b/benchmarks/CoWork/CoWork.upp
@@ -0,0 +1,9 @@
+uses
+	Core;
+
+file
+	CoWork.cpp;
+
+mainconfig
+	"" = "";
+
diff --git a/benchmarks/LionBenchmark/LionBenchmark.upp b/benchmarks/LionBenchmark/LionBenchmark.upp
index 8f097bffa..1b0b8fa12 100644
--- a/benchmarks/LionBenchmark/LionBenchmark.upp
+++ b/benchmarks/LionBenchmark/LionBenchmark.upp
@@ -5,7 +5,8 @@ uses
 file
 	LionBenchmark.h,
 	lion.cpp,
-	main.cpp;
+	main.cpp,
+	info.txt;
 
 mainconfig
 	"" = "GUI MT";
diff --git a/benchmarks/LionBenchmark/info.txt b/benchmarks/LionBenchmark/info.txt
new file mode 100644
index 000000000..49b89a035
--- /dev/null
+++ b/benchmarks/LionBenchmark/info.txt
@@ -0,0 +1,90 @@
+Standard 0.982318271119843
+MT 1.08342361863489
+========== PAINT
+TIMING Fill           : 213.86 ms - 46.29 us (214.00 ms / 4620 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4620
+TIMING Rasterize      : 174.86 ms - 37.85 us (175.00 ms / 4620 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4620
+TIMING Create         : 167.07 ms -  5.30 us (168.00 ms / 31511 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 31511
+
+
+---------------------------------------
+RMAP
+
+data.GetCount() = 132
+Standard 1.38888888888889
+MT 0.8424599831508
+========== PAINT
+TIMING Fill           : 194.82 ms - 32.80 us (195.00 ms / 5940 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 5940
+TIMING Rasterize      : 398.82 ms - 67.14 us (399.00 ms / 5940 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 5940
+TIMING Create         :  2.81 ms - 70.28 ns ( 4.00 ms / 39925 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 39925
+
+
+---------------------------------------
+RINDEX
+
+Standard 1.18906064209275
+MT 0.768049155145929
+========== PAINT
+TIMING Fill           : 248.82 ms - 38.19 us (249.00 ms / 6515 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 6515
+TIMING Rasterize      : 325.82 ms - 50.01 us (326.00 ms / 6515 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 6515
+TIMING Create         :  9.81 ms - 223.66 ns (11.00 ms / 43841 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 43841
+
+--------------------------------------
+RPTR
+
+Standard 1.0989010989011
+MT 0.727272727272727
+========== PAINT
+TIMING Fill           : 276.81 ms - 40.26 us (277.00 ms / 6875 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 6875
+TIMING Rasterize      : 285.81 ms - 41.57 us (286.00 ms / 6875 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 6875
+TIMING Create         : 16.71 ms - 361.11 ns (18.00 ms / 46287 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 46287
+
+--------------------------------------
+RPTR 64
+
+Standard 1.08342361863489
+MT 0.612745098039216
+========== PAINT
+TIMING Fill           : 139.88 ms - 28.57 us (140.00 ms / 4896 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4896
+TIMING Rasterize      : 253.88 ms - 51.85 us (254.00 ms / 4896 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4896
+TIMING Create         : 46.29 ms - 432.60 ns (49.00 ms / 107005 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 107005
+
+--------------------------------------
+RPTR 64 memset
+
+Standard 1.06951871657754
+MT 0.607533414337789
+========== PAINT
+TIMING Fill           : 145.88 ms - 29.54 us (146.00 ms / 4938 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4938
+TIMING Rasterize      : 297.88 ms - 60.32 us (298.00 ms / 4938 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 4938
+TIMING Create         : 38.30 ms - 354.90 ns (41.00 ms / 107927 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 107927
+
+--------------------------------------
+RPTR 64 memset, looper
+
+Standard 1.07066381156317
+MT 0.573065902578796
+========== PAINT
+TIMING Fill           : 361.86 ms - 69.08 us (362.00 ms / 5238 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 5238
+TIMING Rasterize      : 296.86 ms - 56.67 us (297.00 ms / 5238 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 5238
+TIMING Create         : 51.87 ms - 453.28 ns (55.00 ms / 114425 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 114425
+
+-------------------------------
+FINAL 64
+  96 B,    378 allocated (   35 KB),      0 fragmented (    0 KB)
+ 128 B,      1 allocated (    0 KB),     30 fragmented (    3 KB)
+ 192 B,     11 allocated (    2 KB),     10 fragmented (    1 KB)
+ 224 B,      1 allocated (    0 KB),     17 fragmented (    3 KB)
+ 288 B,      1 allocated (    0 KB),     13 fragmented (    3 KB)
+ 384 B,      1 allocated (    0 KB),      9 fragmented (    3 KB)
+ TOTAL,    393 allocated (   38 KB),     79 fragmented (   16 KB)
+Free 4KB pages 0 (0 KB)
+Large block count 0, total size 0 KB
+Large fragments count 0, total size 0 KB
+Large free 64KB pages 0, total size 0 KB
+Big block count 1, total size 3907 KB
+
+Standard 1.00908173562059
+MT 0.538793103448276
+========== PAINT
+TIMING Finish         : 674.85 ms - 121.14 us (675.00 ms / 5571 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 5571
+TIMING Create         : 38.67 ms - 317.78 ns (42.00 ms / 121697 ), min:  0.00 ns, max:  1.00 ms, nesting: 1 - 121697
diff --git a/benchmarks/LionBenchmark/lion.cpp b/benchmarks/LionBenchmark/lion.cpp
index eb6d3cdd4..15895d722 100644
--- a/benchmarks/LionBenchmark/lion.cpp
+++ b/benchmarks/LionBenchmark/lion.cpp
@@ -173,6 +173,7 @@ Vector<ColorPolygon> Lion()
 			dword c = p.ReadNumber(16);
 			color = Color(c >> 16, (c >> 8) & 255, c & 255);
 		}
+	RDUMP(data.GetCount());
 	return data;
 }
 
diff --git a/benchmarks/LionBenchmark/main.cpp b/benchmarks/LionBenchmark/main.cpp
index ea7849aeb..f73c5523f 100644
--- a/benchmarks/LionBenchmark/main.cpp
+++ b/benchmarks/LionBenchmark/main.cpp
@@ -3,37 +3,58 @@
 double tm[2];
 
 struct MyApp : public TopWindow {
+	bool co = true;
+
+	virtual void LeftDown(Point p, dword keyflags)
+	{
+		co = !co;
+		Refresh();
+	}
+
 	virtual void Paint(Draw& w) {
+		RLOG("========== PAINT");
 		ImageBuffer ib(GetSize());
-		BufferPainter sw(ib);
-//		sw.Co();
-		sw.Clear(White());
-		sw.Scale(2);
-		PaintLion(sw);
+		{
+			BufferPainter sw(ib);
+			sw.Co(co);
+			sw.Clear(White());
+//			sw.Scale(2);
+//			sw.Opacity(0.98);
+			PaintLion(sw);
+		}
 		w.DrawImage(0, 0, ib);
 		w.DrawText(500, 0, Format("Standard %.4f", tm[0]));
 		w.DrawText(500, 50, Format("Multithreaded %.4f", tm[1]));
+		w.DrawText(500, 100, Format("Standard / Multithreaded %.4f", tm[0] / tm[1]));
+		w.DrawText(500, 150, co ? "MT" : "");
 	}
 };
 
 GUI_APP_MAIN
 {
-#if 0
+#if 1 && !defined(_DEBUG)
+	RDUMP(MemoryUsedKb());
+	PeakMemoryProfile();
 	ImageBuffer ib(1000, 1000);
 	BufferPainter sw(ib);
 	PaintLion(sw);
 	for(int pass = 0; pass < 2; pass++) {
 		int time0 = msecs();
 		int n = 0;
-		BufferPainter sw(ib);
-		sw.Scale(2);
-		sw.Opacity(0.3);
 		while(msecs(time0) < 1000) {
 			n++;
+			BufferPainter sw(ib);
+			sw.Co(pass);
+//			sw.Scale(2);
+//			sw.Opacity(0.3);
 			PaintLion(sw);
 		}
 		tm[pass] = (double)msecs(time0) / n;
 	}
+	RLOG("=========================");
+	RLOG(*PeakMemoryProfile());
+	RLOG("Standard " << tm[0]);
+	RLOG("MT " << tm[1]);
 #endif
 	MyApp().Run();
 }