Index: .gitignore
===================================================================
--- .gitignore	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ .gitignore	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -52,4 +52,6 @@
 tools/prettyprinter/pretty
 tools/pretty
+tools/catchsig
+tools/repeat
 
 # generated by xfig for user manual
Index: configure
===================================================================
--- configure	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ configure	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -6281,5 +6281,5 @@
 
 
-ac_config_files="$ac_config_files Makefile src/driver/Makefile src/Makefile src/benchmark/Makefile src/examples/Makefile src/tests/Makefile src/tests/preempt_longrun/Makefile src/prelude/Makefile src/libcfa/Makefile tools/prettyprinter/Makefile"
+ac_config_files="$ac_config_files Makefile src/driver/Makefile src/Makefile src/benchmark/Makefile src/examples/Makefile src/tests/Makefile src/tests/preempt_longrun/Makefile src/prelude/Makefile src/libcfa/Makefile tools/Makefile tools/prettyprinter/Makefile"
 
 
@@ -7048,4 +7048,5 @@
     "src/prelude/Makefile") CONFIG_FILES="$CONFIG_FILES src/prelude/Makefile" ;;
     "src/libcfa/Makefile") CONFIG_FILES="$CONFIG_FILES src/libcfa/Makefile" ;;
+    "tools/Makefile") CONFIG_FILES="$CONFIG_FILES tools/Makefile" ;;
     "tools/prettyprinter/Makefile") CONFIG_FILES="$CONFIG_FILES tools/prettyprinter/Makefile" ;;
 
Index: configure.ac
===================================================================
--- configure.ac	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ configure.ac	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -238,4 +238,5 @@
 	src/prelude/Makefile
 	src/libcfa/Makefile
+	tools/Makefile
 	tools/prettyprinter/Makefile
 	])
Index: c/benchmark/CorCtxSwitch.c
===================================================================
--- src/benchmark/CorCtxSwitch.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,37 +1,0 @@
-#include <fstream>
-#include <stdlib>
-#include <thread>
-
-#include "bench.h"
-
-coroutine GreatSuspender {};
-
-void ?{}( GreatSuspender & this ) {
-	prime(this);
-}
-
-void main( GreatSuspender & this )
-{
-	while( true ) {
-		suspend();
-	}
-}
-
-void resumer( GreatSuspender & this, const unsigned int NoOfTimes ) {
-	for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
-		resume( this );
-	}
-}
-
-int main() {
-	const unsigned int NoOfTimes = N;
-	long long int StartTime, EndTime;
-
-	GreatSuspender s;
-
-	StartTime = Time();
-	resumer( s, NoOfTimes );
-	EndTime = Time();
-
-	sout | ( EndTime - StartTime ) / NoOfTimes | endl;
-}
Index: src/benchmark/Makefile.am
===================================================================
--- src/benchmark/Makefile.am	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ src/benchmark/Makefile.am	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -19,6 +19,12 @@
 AM_CFLAGS = -g -Wall -Wno-unused-function -O2
 CC = @CFA_BINDIR@/@CFA_NAME@
+TOOLSDIR = ${abs_top_srcdir}/tools/
+REPEAT   = ${TOOLSDIR}repeat
+STATS    = ${TOOLSDIR}stat.py
+repeats  = 30
 
-noinst_PROGRAMS = bench$(EXEEXT) ctxswitch-coroutine$(EXEEXT) ctxswitch-thread$(EXEEXT) sched-int$(EXEEXT) monitor$(EXEEXT) csv-data$(EXEEXT)
+.NOTPARALLEL:
+
+noinst_PROGRAMS =
 
 bench$(EXEEXT) :
@@ -30,51 +36,71 @@
 	rm -f ./a.out ;
 
-ctxswitch-coroutine$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 CorCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-ctxswitch-thread$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 ThrdCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-ctxswitch-pthread$(EXEEXT):
-	@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -lrt -pthread -DN=50000000 PthrdCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-sched-int$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 SchedInt.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-monitor$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 Monitor.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
 csv-data$(EXEEXT):
 	@${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -quiet -DN=50000000 csv-data.c
 	@./a.out
 	@rm -f ./a.out
+
+## =========================================================================================================
+ctxswitch$(EXEEXT): \
+	ctxswitch-pthread.run		\
+	ctxswitch-cfa_coroutine.run	\
+	ctxswitch-cfa_thread.run	\
+	ctxswitch-upp_coroutine.run	\
+	ctxswitch-upp_thread.run
+
+ctxswitch-cfa_coroutine$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/cfa_cor.c
+
+ctxswitch-cfa_thread$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/cfa_thrd.c
+
+ctxswitch-upp_coroutine$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/upp_cor.cc
+
+ctxswitch-upp_thread$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/upp_thrd.cc
+
+ctxswitch-pthread$(EXEEXT):
+	${AM_V_CC}@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -I. -lrt -pthread -DBENCH_N=50000000 ctxswitch/pthreads.c
+
+## =========================================================================================================
+creation$(EXEEXT) :\
+	creation-pthread.run		\
+	creation-cfa_coroutine.run	\
+	creation-cfa_thread.run		\
+	creation-upp_coroutine.run	\
+	creation-upp_thread.run
+
+creation-cfa_coroutine$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=500000000 creation/cfa_cor.c
+
+creation-cfa_thread$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=10000000 creation/cfa_thrd.c
+
+creation-upp_coroutine$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 creation/upp_cor.cc
+
+creation-upp_thread$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 creation/upp_thrd.cc
+
+creation-pthread$(EXEEXT):
+	${AM_V_CC}@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -I. -lrt -pthread -DBENCH_N=250000 creation/pthreads.c
+
+## =========================================================================================================
+sched-int$(EXEEXT):
+	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 SchedInt.c
+
+monitor$(EXEEXT):
+	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 Monitor.c
+
+%.run : %$(EXEEXT) ${REPEAT}
+	@rm -f .result.log
+	@echo "------------------------------------------------------"
+	@echo $<
+	@${REPEAT} ${repeats} ./a.out | tee -a .result.log
+	@${STATS} .result.log
+	@echo "------------------------------------------------------"
+	@rm -f a.out .result.log
+
+${REPEAT} :
+	@+make -C ${TOOLSDIR} repeat
Index: src/benchmark/Makefile.in
===================================================================
--- src/benchmark/Makefile.in	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ src/benchmark/Makefile.in	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -92,4 +92,5 @@
 build_triplet = @build@
 host_triplet = @host@
+noinst_PROGRAMS =
 subdir = src/benchmark
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
@@ -103,22 +104,4 @@
 CONFIG_CLEAN_VPATH_FILES =
 PROGRAMS = $(noinst_PROGRAMS)
-bench_SOURCES = bench.c
-bench_OBJECTS = bench.$(OBJEXT)
-bench_LDADD = $(LDADD)
-csv_data_SOURCES = csv-data.c
-csv_data_OBJECTS = csv-data.$(OBJEXT)
-csv_data_LDADD = $(LDADD)
-ctxswitch_coroutine_SOURCES = ctxswitch-coroutine.c
-ctxswitch_coroutine_OBJECTS = ctxswitch-coroutine.$(OBJEXT)
-ctxswitch_coroutine_LDADD = $(LDADD)
-ctxswitch_thread_SOURCES = ctxswitch-thread.c
-ctxswitch_thread_OBJECTS = ctxswitch-thread.$(OBJEXT)
-ctxswitch_thread_LDADD = $(LDADD)
-monitor_SOURCES = monitor.c
-monitor_OBJECTS = monitor.$(OBJEXT)
-monitor_LDADD = $(LDADD)
-sched_int_SOURCES = sched-int.c
-sched_int_OBJECTS = sched-int.$(OBJEXT)
-sched_int_LDADD = $(LDADD)
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
@@ -133,24 +116,6 @@
 am__v_at_0 = @
 am__v_at_1 = 
-DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
-depcomp = $(SHELL) $(top_srcdir)/automake/depcomp
-am__depfiles_maybe = depfiles
-am__mv = mv -f
-COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
-AM_V_CC = $(am__v_CC_@AM_V@)
-am__v_CC_ = $(am__v_CC_@AM_DEFAULT_V@)
-am__v_CC_0 = @echo "  CC      " $@;
-am__v_CC_1 = 
-CCLD = $(CC)
-LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) $(LDFLAGS) -o $@
-AM_V_CCLD = $(am__v_CCLD_@AM_V@)
-am__v_CCLD_ = $(am__v_CCLD_@AM_DEFAULT_V@)
-am__v_CCLD_0 = @echo "  CCLD    " $@;
-am__v_CCLD_1 = 
-SOURCES = bench.c csv-data.c ctxswitch-coroutine.c ctxswitch-thread.c \
-	monitor.c sched-int.c
-DIST_SOURCES = bench.c csv-data.c ctxswitch-coroutine.c \
-	ctxswitch-thread.c monitor.c sched-int.c
+SOURCES =
+DIST_SOURCES =
 am__can_run_installinfo = \
   case $$AM_UPDATE_INFO_DIR in \
@@ -159,23 +124,5 @@
   esac
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
-# Read a list of newline-separated strings from the standard input,
-# and print each of them once, without duplicates.  Input order is
-# *not* preserved.
-am__uniquify_input = $(AWK) '\
-  BEGIN { nonempty = 0; } \
-  { items[$$0] = 1; nonempty = 1; } \
-  END { if (nonempty) { for (i in items) print i; }; } \
-'
-# Make sure the list of sources is unique.  This is necessary because,
-# e.g., the same source file might be shared among _SOURCES variables
-# for different programs/libraries.
-am__define_uniq_tagged_files = \
-  list='$(am__tagged_files)'; \
-  unique=`for i in $$list; do \
-    if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
-  done | $(am__uniquify_input)`
-ETAGS = etags
-CTAGS = ctags
-am__DIST_COMMON = $(srcdir)/Makefile.in $(top_srcdir)/automake/depcomp
+am__DIST_COMMON = $(srcdir)/Makefile.in
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
 ACLOCAL = @ACLOCAL@
@@ -302,9 +249,11 @@
 top_srcdir = @top_srcdir@
 AM_CFLAGS = -g -Wall -Wno-unused-function -O2
-noinst_PROGRAMS = bench$(EXEEXT) ctxswitch-coroutine$(EXEEXT) ctxswitch-thread$(EXEEXT) sched-int$(EXEEXT) monitor$(EXEEXT) csv-data$(EXEEXT)
+TOOLSDIR = ${abs_top_srcdir}/tools/
+REPEAT = ${TOOLSDIR}repeat
+STATS = ${TOOLSDIR}stat.py
+repeats = 30
 all: all-am
 
 .SUFFIXES:
-.SUFFIXES: .c .o .obj
 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
 	@for dep in $?; do \
@@ -339,85 +288,10 @@
 clean-noinstPROGRAMS:
 	-test -z "$(noinst_PROGRAMS)" || rm -f $(noinst_PROGRAMS)
-
-mostlyclean-compile:
-	-rm -f *.$(OBJEXT)
-
-distclean-compile:
-	-rm -f *.tab.c
-
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bench.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/csv-data.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ctxswitch-coroutine.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/ctxswitch-thread.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/monitor.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sched-int.Po@am__quote@
-
-.c.o:
-@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
-@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
-
-.c.obj:
-@am__fastdepCC_TRUE@	$(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
-@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ `$(CYGPATH_W) '$<'` &&\
-@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
-
-ID: $(am__tagged_files)
-	$(am__define_uniq_tagged_files); mkid -fID $$unique
-tags: tags-am
-TAGS: tags
-
-tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
-	set x; \
-	here=`pwd`; \
-	$(am__define_uniq_tagged_files); \
-	shift; \
-	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
-	  test -n "$$unique" || unique=$$empty_fix; \
-	  if test $$# -gt 0; then \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      "$$@" $$unique; \
-	  else \
-	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
-	      $$unique; \
-	  fi; \
-	fi
-ctags: ctags-am
-
-CTAGS: ctags
-ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
-	$(am__define_uniq_tagged_files); \
-	test -z "$(CTAGS_ARGS)$$unique" \
-	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
-	     $$unique
-
-GTAGS:
-	here=`$(am__cd) $(top_builddir) && pwd` \
-	  && $(am__cd) $(top_srcdir) \
-	  && gtags -i $(GTAGS_ARGS) "$$here"
-cscopelist: cscopelist-am
-
-cscopelist-am: $(am__tagged_files)
-	list='$(am__tagged_files)'; \
-	case "$(srcdir)" in \
-	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
-	  *) sdir=$(subdir)/$(srcdir) ;; \
-	esac; \
-	for i in $$list; do \
-	  if test -f "$$i"; then \
-	    echo "$(subdir)/$$i"; \
-	  else \
-	    echo "$$sdir/$$i"; \
-	  fi; \
-	done >> $(top_builddir)/cscope.files
-
-distclean-tags:
-	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+tags TAGS:
+
+ctags CTAGS:
+
+cscope cscopelist:
+
 
 distdir: $(DISTFILES)
@@ -490,8 +364,6 @@
 
 distclean: distclean-am
-	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
-distclean-am: clean-am distclean-compile distclean-generic \
-	distclean-tags
+distclean-am: clean-am distclean-generic
 
 dvi: dvi-am
@@ -536,5 +408,4 @@
 
 maintainer-clean: maintainer-clean-am
-	-rm -rf ./$(DEPDIR)
 	-rm -f Makefile
 maintainer-clean-am: distclean-am maintainer-clean-generic
@@ -542,5 +413,5 @@
 mostlyclean: mostlyclean-am
 
-mostlyclean-am: mostlyclean-compile mostlyclean-generic
+mostlyclean-am: mostlyclean-generic
 
 pdf: pdf-am
@@ -556,19 +427,20 @@
 .MAKE: install-am install-strip
 
-.PHONY: CTAGS GTAGS TAGS all all-am check check-am clean clean-generic \
-	clean-noinstPROGRAMS cscopelist-am ctags ctags-am distclean \
-	distclean-compile distclean-generic distclean-tags distdir dvi \
-	dvi-am html html-am info info-am install install-am \
-	install-data install-data-am install-dvi install-dvi-am \
-	install-exec install-exec-am install-html install-html-am \
-	install-info install-info-am install-man install-pdf \
-	install-pdf-am install-ps install-ps-am install-strip \
-	installcheck installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
+.PHONY: all all-am check check-am clean clean-generic \
+	clean-noinstPROGRAMS cscopelist-am ctags-am distclean \
+	distclean-generic distdir dvi dvi-am html html-am info info-am \
+	install install-am install-data install-data-am install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-generic pdf pdf-am ps ps-am tags-am uninstall \
 	uninstall-am
 
 .PRECIOUS: Makefile
 
+
+.NOTPARALLEL:
 
 bench$(EXEEXT) :
@@ -580,49 +452,4 @@
 	rm -f ./a.out ;
 
-ctxswitch-coroutine$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 CorCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-ctxswitch-thread$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 ThrdCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-ctxswitch-pthread$(EXEEXT):
-	@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -lrt -pthread -DN=50000000 PthrdCtxSwitch.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-sched-int$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 SchedInt.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
-monitor$(EXEEXT):
-	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 Monitor.c
-	@rm -f .result.log
-	@for number in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do \
-                ./a.out | tee -a .result.log ; \
-        done
-	@./stat.py .result.log
-	@rm -f a.out .result.log
-
 csv-data$(EXEEXT):
 	@${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -quiet -DN=50000000 csv-data.c
@@ -630,4 +457,66 @@
 	@rm -f ./a.out
 
+ctxswitch$(EXEEXT): \
+	ctxswitch-cfa_coroutine.run 	\
+	ctxswitch-cfa_thread.run 	\
+	ctxswitch-upp_coroutine.run 	\
+	ctxswitch-upp_thread.run 	\
+	ctxswitch-pthread.run
+
+ctxswitch-cfa_coroutine$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/cfa_cor.c
+
+ctxswitch-cfa_thread$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/cfa_thrd.c
+
+ctxswitch-upp_coroutine$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/upp_cor.cc
+
+ctxswitch-upp_thread$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 ctxswitch/upp_thrd.cc
+
+ctxswitch-pthread$(EXEEXT):
+	${AM_V_CC}@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -I. -lrt -pthread -DBENCH_N=50000000 ctxswitch/pthreads.c
+
+creation$(EXEEXT) :\
+	creation-pthread.run		\
+	creation-cfa_coroutine.run 	\
+	creation-cfa_thread.run 	\
+	creation-upp_coroutine.run 	\
+	creation-upp_thread.run
+
+creation-cfa_coroutine$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=500000000 creation/cfa_cor.c
+
+creation-cfa_thread$(EXEEXT):
+	${AM_V_CC}${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -I. -nodebug -lrt -quiet -DBENCH_N=10000000 creation/cfa_thrd.c
+
+creation-upp_coroutine$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 creation/upp_cor.cc
+
+creation-upp_thread$(EXEEXT):
+	${AM_V_CC}u++ ${AM_CFLAGS} ${CFLAGS} ${ccflags} ${ccflags} -I. -nodebug -lrt -quiet -DBENCH_N=50000000 creation/upp_thrd.cc
+
+creation-pthread$(EXEEXT):
+	${AM_V_CC}@BACKEND_CC@ ${AM_CFLAGS} ${CFLAGS} ${ccflags} -I. -lrt -pthread -DBENCH_N=250000 creation/pthreads.c
+
+sched-int$(EXEEXT):
+	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 SchedInt.c
+
+monitor$(EXEEXT):
+	${CC} ${AM_CFLAGS} ${CFLAGS} ${ccflags} @CFA_FLAGS@ -nodebug -lrt -DN=50000000 Monitor.c
+
+%.run : %$(EXEEXT) ${REPEAT}
+	@rm -f .result.log
+	@echo "------------------------------------------------------"
+	@echo $<
+	@${REPEAT} ${repeats} ./a.out | tee -a .result.log
+	@${STATS} .result.log
+	@echo "------------------------------------------------------"
+	@rm -f a.out .result.log
+
+${REPEAT} :
+	@+make -C ${TOOLSDIR} repeat
+
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
Index: c/benchmark/PthrdCtxSwitch.c
===================================================================
--- src/benchmark/PthrdCtxSwitch.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,19 +1,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-#include <sched.h>
-
-#include "bench.h"
-
-int main() {
-	const unsigned int NoOfTimes = N;
-	long long int StartTime, EndTime;
-
-	StartTime = Time();
-	for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
-		sched_yield();
-	}
-	EndTime = Time();
-
-	printf("%lld\n", ( EndTime - StartTime ) / NoOfTimes );
-}
Index: c/benchmark/ThrdCtxSwitch.c
===================================================================
--- src/benchmark/ThrdCtxSwitch.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,18 +1,0 @@
-#include <fstream>
-#include <stdlib>
-#include <thread>
-
-#include "bench.h"
-
-int main() {
-	const unsigned int NoOfTimes = N;
-	long long int StartTime, EndTime;
-
-	StartTime = Time();
-	for ( volatile unsigned int i = 0; i < NoOfTimes; i += 1 ) {
-		yield();
-	}
-	EndTime = Time();
-
-	sout | ( EndTime - StartTime ) / NoOfTimes | endl;
-}
Index: src/benchmark/bench.h
===================================================================
--- src/benchmark/bench.h	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ src/benchmark/bench.h	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -1,11 +1,12 @@
 #pragma once
 
-#ifdef __CFORALL__
+#if defined(__CFORALL__)
 extern "C" {
 #endif
+	#include <stdlib.h>
 	#include <unistd.h>					// sysconf
 	#include <sys/times.h>					// times
 	#include <time.h>
-#ifdef __CFORALL__
+#if defined(__CFORALL__)
 }
 #endif
@@ -27,7 +28,20 @@
 } // Time
 
-#ifndef N
-#define N 10000000
+#ifndef BENCH_N
+#define BENCH_N 500 //10000000
 #endif
+
+#define BENCH(statement, output)		\
+	size_t n = BENCH_N;			\
+	if( argc > 2 ) return 1;		\
+	if( argc == 2 ) {				\
+		n = atoi(argv[1]);		\
+	}						\
+	long long int StartTime, EndTime;	\
+	StartTime = Time();			\
+	statement;					\
+	EndTime = Time();				\
+	unsigned long long int output = 	\
+	( EndTime - StartTime ) / n;
 
 unsigned int default_preemption() {
Index: c/benchmark/create_cfaCor.c
===================================================================
--- src/benchmark/create_cfaCor.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,18 +1,0 @@
-#include <coroutine>
-#include <stdlib.h>
-#include <stdio.h>
-
-coroutine MyCoroutine {};
-void main(MyCoroutine * this) {}
-
-int main(int argc, char* argv[]) {
-	size_t n = 1000000;
-	if( argc > 2 ) return 1;
-	if( argc == 2 ) {
-		n = atoi(argv[1]);
-	}
-	printf("%lu\n", n);
-	for (size_t i = 0; i < n; i++) {
-		MyCoroutine m;
-	}
-}
Index: c/benchmark/create_cfaThrd.c
===================================================================
--- src/benchmark/create_cfaThrd.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,18 +1,0 @@
-#include <thread>
-#include <stdlib.h>
-#include <stdio.h>
-
-thread MyThread {};
-void main(MyThread & this) {}
-
-int main(int argc, char* argv[]) {
-	size_t n = 1000000;
-	if( argc > 2 ) return 1;
-	if( argc == 2 ) {
-		n = atoi(argv[1]);
-	}
-	printf("%lu\n", n);
-	for (size_t i = 0; i < n; i++) {
-		MyThread m;
-	}
-}
Index: c/benchmark/create_pthrd.c
===================================================================
--- src/benchmark/create_pthrd.c	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,31 +1,0 @@
-#include <pthread.h>
-#include <err.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-static void *foo(void *arg) {
-    return arg;
-}
-
-int main(int argc, char* argv[]) {
-	size_t n = 1000000;
-	if( argc > 2 ) return 1;
-	if( argc == 2 ) {
-		n = atoi(argv[1]);
-	}
-	printf("create %lu pthreads ... ", n);
-
-	for (size_t i = 0; i < n; i++) {
-		pthread_t thread;
-		if (pthread_create(&thread, NULL, foo, NULL) < 0) {
-			perror( "failure" );
-			return 1;
-		}
-
-		if (pthread_join( thread, NULL) < 0) {
-			perror( "failure" );
-			return 1;
-		}
-	}
-	printf("finish\n");
-}
Index: c/benchmark/create_uCor.cpp
===================================================================
--- src/benchmark/create_uCor.cpp	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,19 +1,0 @@
-#include <cstdlib>
-#include <cstdio>
-
-_Coroutine MyCor {
-	void main() {}
-};
-
-int main(int argc, char* argv[]) {
-	size_t n = 1000000;
-	if( argc > 2 ) return 1;
-	if( argc == 2 ) {
-		n = atoi(argv[1]);
-	}
-	printf("%lu\n", n);
-	for (size_t i = 0; i < n; i++) {
-		MyCor m;
-	}
-	return 0;
-}
Index: c/benchmark/create_uTask.cpp
===================================================================
--- src/benchmark/create_uTask.cpp	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,19 +1,0 @@
-#include <cstdlib>
-#include <cstdio>
-
-_Task MyThread {
-	void main() {}
-};
-
-int main(int argc, char* argv[]) {
-	size_t n = 1000000;
-	if( argc > 2 ) return 1;
-	if( argc == 2 ) {
-		n = atoi(argv[1]);
-	}
-	printf("%lu\n", n);
-	for (size_t i = 0; i < n; i++) {
-		MyThread m;
-	}
-	return 0;
-}
Index: src/benchmark/creation/cfa_cor.c
===================================================================
--- src/benchmark/creation/cfa_cor.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/creation/cfa_cor.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <coroutine>
+
+#include "bench.h"
+
+coroutine MyCoroutine {};
+void main(MyCoroutine * this) {}
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			MyCoroutine m;
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/creation/cfa_thrd.c
===================================================================
--- src/benchmark/creation/cfa_thrd.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/creation/cfa_thrd.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,18 @@
+#include <stdio.h>
+#include <thread>
+
+#include "bench.h"
+
+thread MyThread {};
+void main(MyThread & this) {}
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			MyThread m;
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/creation/pthreads.c
===================================================================
--- src/benchmark/creation/pthreads.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/creation/pthreads.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,28 @@
+#include <pthread.h>
+#include <stdio.h>
+
+#include "bench.h"
+
+static void *foo(void *arg) {
+    return arg;
+}
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			pthread_t thread;
+			if (pthread_create(&thread, NULL, foo, NULL) < 0) {
+				perror( "failure" );
+				return 1;
+			}
+
+			if (pthread_join( thread, NULL) < 0) {
+				perror( "failure" );
+				return 1;
+			}
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/creation/upp_cor.cc
===================================================================
--- src/benchmark/creation/upp_cor.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/creation/upp_cor.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,18 @@
+#include <cstdio>
+
+#include "bench.h"
+
+_Coroutine MyCor {
+	void main() {}
+};
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			MyCor m;
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/creation/upp_thrd.cc
===================================================================
--- src/benchmark/creation/upp_thrd.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/creation/upp_thrd.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,18 @@
+#include <cstdio>
+
+#include "bench.h"
+
+_Task MyThread {
+	void main() {}
+};
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			MyThread m;
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/ctxswitch/cfa_cor.c
===================================================================
--- src/benchmark/ctxswitch/cfa_cor.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/ctxswitch/cfa_cor.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <thread>
+
+#include "bench.h"
+
+coroutine GreatSuspender {};
+
+void ?{}( GreatSuspender & this ) {
+	prime(this);
+}
+
+void main( GreatSuspender & this ) {
+	while( true ) {
+		suspend();
+	}
+}
+
+int main(int argc, char* argv[]) {
+	GreatSuspender s;
+
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			resume( s );
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/ctxswitch/cfa_thrd.c
===================================================================
--- src/benchmark/ctxswitch/cfa_thrd.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/ctxswitch/cfa_thrd.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <thread>
+
+#include "bench.h"
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			yield();
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/ctxswitch/pthreads.c
===================================================================
--- src/benchmark/ctxswitch/pthreads.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/ctxswitch/pthreads.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <sched.h>
+
+#include "bench.h"
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			sched_yield();
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/ctxswitch/upp_cor.cc
===================================================================
--- src/benchmark/ctxswitch/upp_cor.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/ctxswitch/upp_cor.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,33 @@
+#include <cstdio>
+
+#include "bench.h"
+
+_Coroutine GreatSuspender {
+public:
+	GreatSuspender() {
+		resume();
+	}
+
+	void do_resume() {
+		resume();
+	}
+private:
+	void main() {
+		while( true ) {
+			suspend();
+		}
+	}
+};
+
+int main(int argc, char* argv[]) {
+	GreatSuspender s;
+
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			s.do_resume();
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: src/benchmark/ctxswitch/upp_thrd.cc
===================================================================
--- src/benchmark/ctxswitch/upp_thrd.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ src/benchmark/ctxswitch/upp_thrd.cc	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,14 @@
+#include <cstdio>
+
+#include "bench.h"
+
+int main(int argc, char* argv[]) {
+	BENCH(
+		for (size_t i = 0; i < n; i++) {
+			uThisTask().yield();
+		},
+		result
+	)
+
+	printf("%llu\n", result);
+}
Index: c/benchmark/stat.py
===================================================================
--- src/benchmark/stat.py	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,20 +1,0 @@
-#!/usr/bin/python
-
-import sys
-import numpy
-
-if len(sys.argv) != 2 :
-	sys.exit("Expected file name as only argument")
-
-try:
-	with open(sys.argv[1]) as f:
-		content = f.readlines()
-		content = [x.strip() for x in content]
-		content = [int(x) for x in content]
-		content.remove(max(content))
-		content.remove(min(content))
-		print "median {0} avg {1} stddev {2}".format( numpy.median(content), numpy.mean(content), numpy.std(content) )
-
-
-except IOError as e:
-	sys.exit(e.strerror)
Index: tools/Makefile.am
===================================================================
--- tools/Makefile.am	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/Makefile.am	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,23 @@
+######################## -*- Mode: Makefile-Automake -*- ######################
+##
+## Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
+##
+## The contents of this file are covered under the licence agreement in the
+## file "LICENCE" distributed with Cforall.
+##
+## Makefile.am --
+##
+## Author           : Peter A. Buhr
+## Created On       : Wed Jun 28 12:07:10 2017
+## Last Modified By : Peter A. Buhr
+## Last Modified On : Wed Jun 28 23:11:56 2017
+## Update Count     : 15
+###############################################################################
+
+CC = @BACKEND_CC@
+CFLAGS = -Wall -Wextra -O2 -g
+
+noinst_PROGRAMS = catchsig repeat
+
+catchsig_SOURCES = catchsig.c
+repeat_SOURCES   = repeat.c
Index: tools/Makefile.in
===================================================================
--- tools/Makefile.in	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/Makefile.in	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,565 @@
+# Makefile.in generated by automake 1.15 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+######################## -*- Mode: Makefile-Automake -*- ######################
+###############################################################################
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
+    false; \
+  elif test -n '$(MAKE_HOST)'; then \
+    true; \
+  elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \
+    true; \
+  else \
+    false; \
+  fi; \
+}
+am__make_running_with_option = \
+  case $${target_option-} in \
+      ?) ;; \
+      *) echo "am__make_running_with_option: internal error: invalid" \
+              "target option '$${target_option-}' specified" >&2; \
+         exit 1;; \
+  esac; \
+  has_opt=no; \
+  sane_makeflags=$$MAKEFLAGS; \
+  if $(am__is_gnu_make); then \
+    sane_makeflags=$$MFLAGS; \
+  else \
+    case $$MAKEFLAGS in \
+      *\\[\ \	]*) \
+        bs=\\; \
+        sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \
+          | sed "s/$$bs$$bs[$$bs $$bs	]*//g"`;; \
+    esac; \
+  fi; \
+  skip_next=no; \
+  strip_trailopt () \
+  { \
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+repeat_SOURCES = repeat.c
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+
+.SUFFIXES:
+.SUFFIXES: .c .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign tools/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign tools/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__depfiles_maybe);; \
+	esac;
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+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+clean-noinstPROGRAMS:
+	-test -z "$(noinst_PROGRAMS)" || rm -f $(noinst_PROGRAMS)
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+catchsig$(EXEEXT): $(catchsig_OBJECTS) $(catchsig_DEPENDENCIES) $(EXTRA_catchsig_DEPENDENCIES) 
+	@rm -f catchsig$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(catchsig_OBJECTS) $(catchsig_LDADD) $(LIBS)
+
+repeat$(EXEEXT): $(repeat_OBJECTS) $(repeat_DEPENDENCIES) $(EXTRA_repeat_DEPENDENCIES) 
+	@rm -f repeat$(EXEEXT)
+	$(AM_V_CCLD)$(LINK) $(repeat_OBJECTS) $(repeat_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/repeat.Po@am__quote@
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+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
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+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
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+TAGS: tags
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+	$(am__define_uniq_tagged_files); \
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+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
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+
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+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
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+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
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+	-rm -rf ./$(DEPDIR)
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+	clean-noinstPROGRAMS cscopelist-am ctags ctags-am distclean \
+	distclean-compile distclean-generic distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
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+	install-exec install-exec-am install-html install-html-am \
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+	maintainer-clean-generic mostlyclean mostlyclean-compile \
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+	uninstall-am
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
Index: tools/catchsig.c
===================================================================
--- tools/catchsig.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/catchsig.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+
+void sig_handler(int signo)
+{
+	fprintf(stderr, "received %d\n", signo);
+	exit(0);
+}
+
+void sig(int signo) {
+	if (signal(signo, sig_handler) == SIG_ERR)
+	{
+		fprintf(stderr,"Error\n");
+		exit(1);
+	}
+}
+
+int main(void)
+{
+	printf("Starting...\n");
+	sig(SIGHUP);
+      sig(SIGINT);
+      sig(SIGQUIT);
+      sig(SIGILL);
+      sig(SIGABRT);
+      sig(SIGFPE);
+      sig(SIGSEGV);
+      sig(SIGPIPE);
+      sig(SIGALRM);
+      sig(SIGTERM);
+      sig(SIGUSR1);
+      sig(SIGUSR2);
+      sig(SIGCHLD);
+      sig(SIGCONT);
+      sig(SIGTSTP);
+      sig(SIGTTIN);
+      sig(SIGTTOU);
+	while(1);
+	return 0;
+}
Index: ols/repeat
===================================================================
--- tools/repeat	(revision 15e4e229e30d072027f3e0cd4a71759959451647)
+++ 	(revision )
@@ -1,35 +1,0 @@
-#!/bin/bash
-
-if [ $1 == "-h" -o $1 == "--help" ]; then
-	echo "$(basename $0) [-s|-p] ITERATIONS COMMAND"
-	exit
-fi
-
-ACTION=$1
-ITERATION=$2
-shift 2
-
-_term() { 
-  echo "Caught SIGTERM signal!" 
-  kill -TERM "$child" 2>/dev/null
-  exit
-}
-
-trap _term SIGTERM SIGINT
-
-for (( i = 0; i < ITERATION; i ++ )); do
-	echo -ne "\r$i / $ITERATION"
-	$@ > /dev/null &
-	child=$! 
-	wait "$child"
-	RET=$?
-	if [ $RET -ne 0 ]; then
-		echo "FAILURE: $RET @ $i"
-	fi
-	if [ $ACTION == "-s" -a $RET -ne 0 ]; then
-		exit $RET
-	fi
-done
-echo -ne "\r$ITERATION / $ITERATION"
-
-exit 0
Index: tools/repeat.c
===================================================================
--- tools/repeat.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/repeat.c	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,155 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <string.h>
+
+#include <getopt.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int repetitions = 0;
+bool stop_on_error = false;
+char * this_cmd = NULL;
+bool print_iterations = false;
+
+void parse_args(int argc, char * argv[]);
+void setup();
+int run();
+
+int main(int argc, char * argv[]) {
+	parse_args(argc, argv);
+	setup();
+	for(int i = 0; i < repetitions; i++) {
+		if(print_iterations) {
+			printf("\r%d / %d", i, repetitions);
+		}
+		int retcode = run();
+		if( !WIFEXITED(retcode) ) {
+			printf("FAILURE: %d @ %d\n", retcode, i + 1);
+		}
+		if( !WIFEXITED(retcode) && stop_on_error ) {
+			return retcode;
+		}
+	}
+
+	if(print_iterations) {
+		printf("\r%d / %d\n", repetitions, repetitions);
+	}
+
+	return 0;
+}
+
+void usage( FILE * out, int code ) {
+	fprintf(out, "%s [OPTION] [--] N CMD\n", this_cmd);
+	fprintf(out, "Repeat CMD N times\n\n");
+	fprintf(out, "\t-h,--help\tprint this usage message\n");
+	fprintf(out, "\t-s\tstop on error\n");
+	fprintf(out, "\t-i\toutput iterations instead of CMD stdout\n");
+	fprintf(out, "\t-x\tprint CMD before running it\n");
+	exit(code);
+}
+
+char ** cmd_to_run = NULL;
+bool print_cmd = false;
+pid_t child_pid = 0;
+
+void error() {
+	fprintf(stderr,"\n");
+	usage(stderr, 1);
+}
+
+void parse_args(int argc, char * argv[]) {
+	this_cmd = argv[0];
+
+	enum { Help, };
+	static struct option long_opts[] = {
+		{ "help", no_argument, 0, Help },
+		{ 0, 0, 0, 0 }
+	}; // long_opts
+	int long_index;
+
+	int c;
+	while ( (c = getopt_long( argc, argv, "hsxi", long_opts, &long_index)) != -1 ) {
+		switch ( c ) {
+			case Help:
+			case 'h':
+				usage(stdout, 0);
+				break;
+		 	case 's':
+				stop_on_error = true;
+				break;
+		 	case 'x':
+				print_cmd = true;
+				break;
+			case 'i':
+				print_iterations = true;
+				break;
+			default:
+				error("");
+				break;
+		} // switch
+	} // while
+
+	if( argc < optind + 2 ) {
+		fprintf(stderr, "Too few arguments\n");
+		error();
+	}
+
+	char * pEnd;
+	char * repeats_c = argv[optind];
+	repetitions = strtol(repeats_c, &pEnd, 10);
+
+	bool is_number = (size_t)(pEnd - repeats_c) == strlen(repeats_c);
+	bool in_range  = repetitions > 0;
+	if( !is_number || !in_range ) {
+		fprintf(
+			stderr,
+			"repetitions option : %s not an number greater than 0\n",
+			repeats_c
+		);
+		error();
+	}
+
+	cmd_to_run = argv + optind + 1;
+}
+
+void setup() {
+
+}
+
+int run() {
+	/* Duplicate this process. */
+	child_pid = fork();
+	if (child_pid != 0) {
+
+		/* This is the parent process. */
+		int status;
+		waitpid(child_pid, &status, 0);
+		child_pid = 0;
+		return status;
+	}
+	else {
+		/* Now execute PROGRAM, searching for it in the path.  */
+		if( print_cmd ) {
+			char ** cmd = cmd_to_run;
+			while (*cmd) {
+				printf("%s ", *cmd);
+				cmd++;
+			}
+			printf("\n");
+		}
+		if(print_iterations) {
+			__attribute__((unused)) FILE * ignore =
+				freopen("/dev/null", "w", stdout);
+		}
+		execvp ( *cmd_to_run, cmd_to_run);
+		/* The execvp  function returns only if an error occurs.  */
+		fprintf(stderr, "an error occurred in execvp\n");
+		abort ();
+	}
+
+	return 0;
+}
Index: tools/repeat.old
===================================================================
--- tools/repeat.old	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/repeat.old	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [ $1 == "-h" -o $1 == "--help" ]; then
+	echo "$(basename $0) [-s|-p] ITERATIONS COMMAND"
+	exit
+fi
+
+ACTION=$1
+ITERATION=$2
+shift 2
+
+_term() { 
+  echo "Caught SIGTERM signal!" 
+  kill -TERM "$child" 2>/dev/null
+  exit
+}
+
+trap _term SIGTERM SIGINT
+
+for (( i = 0; i < ITERATION; i ++ )); do
+	echo -ne "\r$i / $ITERATION"
+	$@ > /dev/null &
+	child=$! 
+	wait "$child"
+	RET=$?
+	if [ $RET -ne 0 ]; then
+		echo "FAILURE: $RET @ $i"
+	fi
+	if [ $ACTION == "-s" -a $RET -ne 0 ]; then
+		exit $RET
+	fi
+done
+echo -ne "\r$ITERATION / $ITERATION"
+
+exit 0
Index: tools/stat.py
===================================================================
--- tools/stat.py	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
+++ tools/stat.py	(revision 63958172b04a92229dd3d55d9e3a2d04452e9c65)
@@ -0,0 +1,20 @@
+#!/usr/bin/python
+
+import sys
+import numpy
+
+if len(sys.argv) != 2 :
+	sys.exit("Expected file name as only argument")
+
+try:
+	with open(sys.argv[1]) as f:
+		content = f.readlines()
+		content = [x.strip() for x in content]
+		content = [int(x) for x in content]
+		content.remove(max(content))
+		content.remove(min(content))
+		print "median {0} avg {1} stddev {2}".format( numpy.median(content), numpy.mean(content), numpy.std(content) )
+
+
+except IOError as e:
+	sys.exit(e.strerror)
