3 c/c-diet-static-null c/c-diet-dynamic-null \
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 lua/null.lua51 lua/null.lua52 lua/null.luajit \
13 perl/null.pl ruby/null.rb \
14 php/null.php php/null.php-n \
15 tcl/null.tcl84 tcl/null.tcl85 tcl/null.tcl86 \
16 python/null.py26 python/null.py26-s \
17 python/null.py27 python/null.py27-s \
18 python/null.py32 python/null.py32-s \
22 # cycles,instructions,branches,branch-misses \
23 # dtlb-loads,dtlb-load-misses,itlb-loads,itlb-load-misses \
24 # cycles,instructions,cache-references,cache-misses \
25 # cycles,instructions,stalled-cycles-frontend,stalled-cycles-backend
27 METRICS = cycles,instructions,branches,branch-misses,cpu-clock,task-clock,major-faults,minor-faults,cs
29 JAVA_VMS = server zero cacao jamvm
30 # see below for how this is called
31 JAVA_INVOCS = $(JAVA_VMS:%="java -cp java -% Null")
35 all: $(PROGS) java/Null.class
45 diet gcc -static -O2 -Wall -o $@ $<
49 diet gcc -O2 -Wall -o $@ $<
53 gcc -static -O2 -Wall -o $@ $<
57 gcc -O2 -Wall -o $@ $<
61 g++ -static -O2 -Wall -o $@ $<
65 g++ -O2 -Wall -o $@ $<
68 haskell/null-single: haskell/null.hs
69 ghc --make -O2 -Wall -o $@ $<
72 haskell/null-threaded: haskell/null.hs
73 ghc --make -O2 -Wall -threaded -o $@ $<
76 ocaml/null-byte: ocaml/null.ml
78 # no stripping as this is not an elf file
80 ocaml/null-opt: ocaml/null.ml
84 java/null-gcj: java/Null.java
85 gcj-4.6 --main=Null -o $@ $<
88 java/Null.class: java/Null.java Makefile
91 log: $(PROGS) $(SCRIPTS) java/Null.class Makefile
93 for prog in $(PROGS:%=./%) $(SCRIPTS:%=./%) $(JAVA_INVOCS); do \
95 for metric in $(METRICS); do \
96 LC_ALL=C perf stat -e "$$metric" -r $(REPS) -o log --append $$prog; \
104 cd haskell && rm -f *.hi *.o
105 cd ocaml && rm -f *.cmo *.cmi *.cmx *.o
106 cd java && rm -f *.class