diff --git a/autotest/StringCompare/StringCompare.cpp b/autotest/StringCompare/StringCompare.cpp
index 82ab917f2..5ef1cbc68 100644
--- a/autotest/StringCompare/StringCompare.cpp
+++ b/autotest/StringCompare/StringCompare.cpp
@@ -1,14 +1,21 @@
 #include <Core/Core.h>
 
-#define LDUMP(x)
-#define LLOGHEXDUMP(a, b)
+#define LDUMP(x)          // DUMP(x)
+#define LLOGHEXDUMP(a, b) // LOGHEXDUMP(a, b)
 
 using namespace Upp;
 
 #define N 10000000
 
+int RandomChar()
+{
+	return '0' + Random(64);
+}
+
 CONSOLE_APP_MAIN
 {
+	StdLogSetup(LOG_COUT|LOG_FILE);
+
 	for(int q = 0; q < N; q++) {
 		LDUMP(q);
 		if(q % 10000 == 0)
@@ -18,14 +25,16 @@ CONSOLE_APP_MAIN
 		int l2 = rand() % 40;
 		String a, b;
 		for(int i = 0; i < eq; i++)
-			a.Cat(rand() % 254 + 1);
+			a.Cat(RandomChar());
 		b = a;
 		ASSERT(a.Compare(b) == 0);
 		for(int i = 0; i < l1; i++)
-			a.Cat(rand() % 254 + 1);
+			a.Cat(RandomChar());
 		for(int i = 0; i < l2; i++)
-			b.Cat(rand() % 254 + 1);
+			b.Cat(RandomChar());
 		int l = min(l1, l2) + eq;
+		LDUMP(a);
+		LDUMP(b);
 		LLOGHEXDUMP(a, a.GetLength());
 		LLOGHEXDUMP(b, b.GetLength());
 		LDUMP(a.Compare(b));
@@ -35,4 +44,6 @@ CONSOLE_APP_MAIN
 		ASSERT(a.Compare(a) == 0);
 		ASSERT(b.Compare(b) == 0);
 	}
+
+	LOG("------------ OK");
 }
diff --git a/autotest/StringCompare/init b/autotest/StringCompare/init
new file mode 100644
index 000000000..4fc22d92e
--- /dev/null
+++ b/autotest/StringCompare/init
@@ -0,0 +1,4 @@
+#ifndef _StringCompare_icpp_init_stub
+#define _StringCompare_icpp_init_stub
+#include "Core/init"
+#endif
diff --git a/autotest/StringCompare2/StringCompare2.cpp b/autotest/StringCompare2/StringCompare2.cpp
new file mode 100644
index 000000000..75ea5629c
--- /dev/null
+++ b/autotest/StringCompare2/StringCompare2.cpp
@@ -0,0 +1,25 @@
+#include <Core/Core.h>
+#include <vector>
+
+using namespace Upp;
+
+#define N 1000000
+
+CONSOLE_APP_MAIN
+{
+	StdLogSetup(LOG_COUT | LOG_FILE);
+
+	Vector<String> a;
+	std::vector<std::string> b;
+	for(int i = 0; i < N; i++) {
+		String h = FormatIntBase(Random(10000) * Random(10000), 2);
+		a.Add(h);
+		b.push_back(h.ToStd());
+	}
+	Sort(a);
+	std::sort(b.begin(), b.end());
+	for(int i = 0; i < N; i++)
+		ASSERT(a[i].ToStd() == b[i]);
+	
+	LOG("----------------- OK");
+}
diff --git a/autotest/StringCompare2/StringCompare2.upp b/autotest/StringCompare2/StringCompare2.upp
new file mode 100644
index 000000000..ad0bedb33
--- /dev/null
+++ b/autotest/StringCompare2/StringCompare2.upp
@@ -0,0 +1,9 @@
+uses
+	Core;
+
+file
+	StringCompare2.cpp;
+
+mainconfig
+	"" = "";
+
diff --git a/autotest/StringCompare2/init b/autotest/StringCompare2/init
new file mode 100644
index 000000000..e449e118b
--- /dev/null
+++ b/autotest/StringCompare2/init
@@ -0,0 +1,4 @@
+#ifndef _StringCompare2_icpp_init_stub
+#define _StringCompare2_icpp_init_stub
+#include "Core/init"
+#endif
diff --git a/autotest/SvoValue/Raw.cpp b/autotest/SvoValue/Raw.cpp
index 4ce9f8853..9fb231ac1 100644
--- a/autotest/SvoValue/Raw.cpp
+++ b/autotest/SvoValue/Raw.cpp
@@ -26,7 +26,7 @@ void CheckRawPickValue()
 	ASSERT(x2.GetCount() == 1);
 	ASSERT(x2[0] == 321);
 	ASSERT(x.GetCount() == 1);
-	ASSERT(x[0] == 321);	
+	ASSERT(x[0] == 321);
 }
 
 void CheckCreateRawValue()
diff --git a/autotest/fast_memcmp/fast_memcmp.cpp b/autotest/fast_memcmp/fast_memcmp.cpp
new file mode 100644
index 000000000..9d0fd63d6
--- /dev/null
+++ b/autotest/fast_memcmp/fast_memcmp.cpp
@@ -0,0 +1,25 @@
+#include <Core/Core.h>
+
+using namespace Upp;
+
+#define N 100000000
+
+CONSOLE_APP_MAIN
+{
+	StdLogSetup(LOG_COUT|LOG_FILE);
+
+	for(int i = 0; i < N; i++) {
+		if(i % 1000000 == 0)
+			LOG(i);
+		String a('x', Random(10));
+		String b('x', Random(10));
+		a << AsString(Random());
+		b << AsString(Random());
+		
+		int n = min(a.GetLength(), b.GetLength());
+		
+		ASSERT(sgn(fast_memcmp((byte *)~a, (byte *)~b, n)) == sgn(memcmp((byte *)~a, (byte *)~b, n)));
+	}
+	
+	LOG("------------ OK");
+}
diff --git a/autotest/fast_memcmp/fast_memcmp.upp b/autotest/fast_memcmp/fast_memcmp.upp
new file mode 100644
index 000000000..ac846af9b
--- /dev/null
+++ b/autotest/fast_memcmp/fast_memcmp.upp
@@ -0,0 +1,9 @@
+uses
+	Core;
+
+file
+	fast_memcmp.cpp;
+
+mainconfig
+	"" = "";
+
diff --git a/autotest/fast_memcmp/init b/autotest/fast_memcmp/init
new file mode 100644
index 000000000..3b231e6dd
--- /dev/null
+++ b/autotest/fast_memcmp/init
@@ -0,0 +1,4 @@
+#ifndef _fast_memcmp_icpp_init_stub
+#define _fast_memcmp_icpp_init_stub
+#include "Core/init"
+#endif