4 c/c-libc-static-null c/c-libc-dynamic-null \
5 c/c++-static-null c/c++-dynamic-null \
6 haskell/null-single haskell/null-threaded \
7 ocaml/null-byte ocaml/null-opt \
11 dash/null.dash bash/null.bash \
12 mksh/null.mksh mksh/null.mksh-static \
13 lua/null.lua51 lua/null.lua52 lua/null.luajit \
14 perl/null.pl ruby/null.rb \
15 php/null.php php/null.php-n \
16 tcl/null.tcl84 tcl/null.tcl85 tcl/null.tcl86 \
17 python/null.py26 python/null.py26-s \
18 python/null.py27 python/null.py27-s \
19 python/null.py32 python/null.py32-s \
23 # cycles,instructions,branches,branch-misses \
24 # dtlb-loads,dtlb-load-misses,itlb-loads,itlb-load-misses \
25 # cycles,instructions,cache-references,cache-misses \
26 # cycles,instructions,stalled-cycles-frontend,stalled-cycles-backend
28 METRICS = cycles,instructions,branches,branch-misses,cpu-clock,task-clock,major-faults,minor-faults,cs
30 JAVA_VMS = server zero cacao jamvm
31 # see below for how this is called
32 JAVA_INVOCS = $(JAVA_VMS:%="java -cp java -% Null")
36 all: $(PROGS) java/Null.class
46 diet gcc -O2 -Wall -o $@ $<
50 gcc -static -O2 -Wall -o $@ $<
54 gcc -O2 -Wall -o $@ $<
58 g++ -static -O2 -Wall -o $@ $<
62 g++ -O2 -Wall -o $@ $<
65 haskell/null-single: haskell/null.hs
66 ghc --make -O2 -Wall -o $@ $<
69 haskell/null-threaded: haskell/null.hs
70 ghc --make -O2 -Wall -threaded -o $@ $<
73 ocaml/null-byte: ocaml/null.ml
75 # no stripping as this is not an elf file
77 ocaml/null-opt: ocaml/null.ml
81 java/null-gcj: java/Null.java
82 gcj-4.6 --main=Null -o $@ $<
85 java/Null.class: java/Null.java Makefile
88 log: $(PROGS) $(SCRIPTS) java/Null.class Makefile
90 for prog in $(PROGS:%=./%) $(SCRIPTS:%=./%) $(JAVA_INVOCS); do \
92 for metric in $(METRICS); do \
93 LC_ALL=C perf stat -e "$$metric" -r $(REPS) -o log --append $$prog; \
101 cd haskell && rm -f *.hi *.o
102 cd ocaml && rm -f *.cmo *.cmi *.cmx *.o
103 cd java && rm -f *.class