more aggressive defaults (tabling and memory allocation from system on).

configure

@@ -4230,7 +4230,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 if test "${enable_tabling+set}" = set; then :
   enableval=$enable_tabling; tabling="$enableval"
 else
-  tabling=no
+  tabling=yes
 fi
 
 # Check whether --enable-or-parallelism was given.
@@ -4342,7 +4342,7 @@ fi
 if test "${enable_use_malloc+set}" = set; then :
   enableval=$enable_use_malloc; use_malloc="$enableval"
 else
-  use_malloc=no
+  use_malloc=yes
 fi
 
 # Check whether --enable-condor was given.

configure.in

@@ -94,7 +94,7 @@ AC_COMPILE_IFELSE([
 
 AC_ARG_ENABLE(tabling,
 	[ --enable-tabling           support tabling ],
-	tabling="$enableval", tabling=no)
+	tabling="$enableval", tabling=yes)
 AC_ARG_ENABLE(or-parallelism,
 	[ --enable-or-parallelism    support or-parallelism as: copy,sba,a-cow,threads ],
 	orparallelism="$enableval", orparallelism=no)
@@ -142,7 +142,7 @@ AC_ARG_ENABLE(static_compilation,
 	static_compilation="$enableval", static_compilation=no)
 AC_ARG_ENABLE(use-malloc,
 	[ --enable-use-malloc        use malloc to allocate memory ],
-	use_malloc="$enableval", use_malloc=no)
+	use_malloc="$enableval", use_malloc=yes)
 AC_ARG_ENABLE(condor,
 	[ --enable-condor            allow YAP to be used from condor ],
 	use_condor="$enableval", use_condor=no)