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 \
8 java/null-gcj-4.6 java/null-gcj-4.8 \
9 java/null-gcj-4.9 java/null-gcj-5
12 dash/null.dash bash/null.bash \
13 mksh/null.mksh mksh/null.mksh-static \
14 lua/null.lua51 lua/null.lua52 lua/null.luajit \
16 awk/null.mawk awk/null.gawk \
17 ruby/null.rb18 ruby/null.rb19 \
18 php/null.php php/null.php-n \
19 tcl/null.tcl84 tcl/null.tcl85 tcl/null.tcl86
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")
33 PYTHON_VERSIONS ?= python2.7 python3.4 pypy
34 PYTHON_VARIANTS = "" -O -S
35 PYTHON_INVOCS = $(foreach py,$(PYTHON_VERSIONS), \
36 $(foreach opt,$(PYTHON_VARIANTS), "$(py) $(opt) python/null.py"))
44 all: $(PROGS) java/Null.class
54 diet gcc -O2 -Wall -o $@ $<
58 gcc -static -O2 -Wall -o $@ $<
62 gcc -O2 -Wall -o $@ $<
66 g++ -static -O2 -Wall -o $@ $<
70 g++ -O2 -Wall -o $@ $<
73 haskell/null-single: haskell/null.hs
74 ghc --make -O2 -Wall -o $@ $<
77 haskell/null-threaded: haskell/null.hs
78 ghc --make -O2 -Wall -threaded -o $@ $<
81 ocaml/null-byte: ocaml/null.ml
83 # no stripping as this is not an elf file
85 ocaml/null-opt: ocaml/null.ml
89 java/null-gcj-%: java/Null.java
90 gcj-$* --main=Null -o $@ $<
93 java/Null.class: java/Null.java Makefile
96 log: $(PROGS) $(SCRIPTS) java/Null.class Makefile
98 for prog in $(PROGS:%=./%) $(SCRIPTS:%=./%) \
99 $(EXTRA_RUN) $(JAVA_INVOCS) $(PYTHON_INVOCS); do \
101 for metric in $(METRICS); do \
102 LC_ALL=C $(PERF) stat -e "$$metric" -r $(REPS) -o log --append $$prog; \
110 cd haskell && rm -f *.hi *.o
111 cd ocaml && rm -f *.cmo *.cmi *.cmx *.o
112 cd java && rm -f *.class