2014-01-01 11:03:15 +00:00
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# Copyright (C) 2013-2014 Free Software Foundation, Inc.
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2013-03-15 07:00:03 +00:00
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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# Makefile for benchmark tests. The only useful target here is `bench`.
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2013-05-22 05:35:04 +00:00
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# Add benchmark functions in alphabetical order.
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2013-03-15 07:00:03 +00:00
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subdir := benchtests
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2014-02-26 23:12:03 +00:00
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include ../Makeconfig
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2014-03-28 17:30:44 +00:00
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bench := acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \
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log log2 modf pow rint sin sincos sinh sqrt tan tanh
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2013-05-22 05:35:04 +00:00
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2013-04-16 12:07:24 +00:00
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# String function benchmarks.
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2013-09-04 08:11:58 +00:00
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string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
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mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
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strcat strchr strchrnul strcmp strcpy strcspn strlen \
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strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
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2013-12-19 11:45:54 +00:00
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strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok
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2013-11-26 11:48:33 +00:00
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string-bench-all := $(string-bench)
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2013-04-16 12:07:24 +00:00
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2013-11-11 13:23:02 +00:00
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stdlib-bench := strtod
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benchset := $(string-bench-all) $(stdlib-bench)
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2013-04-16 12:07:24 +00:00
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2013-09-02 13:00:45 +00:00
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LDLIBS-bench-acos = -lm
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LDLIBS-bench-acosh = -lm
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LDLIBS-bench-asin = -lm
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LDLIBS-bench-asinh = -lm
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LDLIBS-bench-atan = -lm
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LDLIBS-bench-atanh = -lm
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LDLIBS-bench-cos = -lm
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LDLIBS-bench-cosh = -lm
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LDLIBS-bench-exp = -lm
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2013-12-12 04:01:53 +00:00
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LDLIBS-bench-exp2 = -lm
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2013-09-02 13:00:45 +00:00
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LDLIBS-bench-log = -lm
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2013-12-12 04:01:53 +00:00
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LDLIBS-bench-log2 = -lm
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2013-09-02 13:00:45 +00:00
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LDLIBS-bench-pow = -lm
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LDLIBS-bench-rint = -lm
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LDLIBS-bench-sin = -lm
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LDLIBS-bench-sinh = -lm
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2013-12-02 17:37:18 +00:00
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LDLIBS-bench-sqrt = -lm
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2013-09-02 13:00:45 +00:00
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LDLIBS-bench-tan = -lm
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LDLIBS-bench-tanh = -lm
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2013-09-19 11:25:27 +00:00
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LDLIBS-bench-sincos = -lm
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2013-04-12 09:31:44 +00:00
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# Rules to build and execute the benchmarks. Do not put any benchmark
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# parameters beyond this point.
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2013-04-16 12:07:24 +00:00
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# We don't want the benchmark programs to run in parallel since that could
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# affect their performance.
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.NOTPARALLEL:
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2013-03-15 07:00:03 +00:00
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include ../Rules
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2013-04-12 09:31:44 +00:00
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binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
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2013-04-16 12:07:24 +00:00
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binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
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2013-04-12 09:31:44 +00:00
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2013-04-30 08:40:20 +00:00
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# The default duration: 10 seconds.
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ifndef BENCH_DURATION
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BENCH_DURATION := 10
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endif
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2013-06-10 04:38:46 +00:00
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CPPFLAGS-nonlib += -DDURATION=$(BENCH_DURATION)
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2013-04-30 08:40:20 +00:00
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2013-05-13 08:14:32 +00:00
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# Use clock_gettime to measure performance of functions. The default is to use
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# HP_TIMING if it is available.
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ifdef USE_CLOCK_GETTIME
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CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME
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endif
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2014-03-29 04:10:19 +00:00
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DETAILED_OPT :=
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ifdef DETAILED
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DETAILED_OPT := -d
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endif
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2013-04-16 13:04:03 +00:00
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# This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
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# for all these modules.
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2013-04-16 12:07:24 +00:00
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cpp-srcs-left := $(binaries-benchset:=.c) $(binaries-bench:=.c)
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2013-04-16 13:04:03 +00:00
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lib := nonlib
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include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
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2013-05-13 08:14:32 +00:00
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bench-deps := bench-skeleton.c bench-timing.h Makefile
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2013-04-15 05:47:01 +00:00
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2013-04-12 09:31:44 +00:00
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run-bench = $(test-wrapper-env) \
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GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \
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$($*-ENV) $(rtld-prefix) $${run}
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2014-03-29 04:07:44 +00:00
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timing-type := $(objpfx)bench-timing-type
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2013-04-16 08:37:21 +00:00
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bench-clean:
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rm -f $(binaries-bench) $(addsuffix .o,$(binaries-bench))
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2013-04-16 12:07:24 +00:00
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rm -f $(binaries-benchset) $(addsuffix .o,$(binaries-benchset))
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2014-03-29 04:07:44 +00:00
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rm -f $(timing-type) $(addsuffix .o,$(timing-type))
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2013-04-16 12:07:24 +00:00
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2014-03-29 04:07:44 +00:00
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bench: $(timing-type) bench-set bench-func
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2013-04-16 12:07:24 +00:00
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bench-set: $(binaries-benchset)
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for run in $^; do \
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echo "Running $${run}"; \
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$(run-bench) > $${run}.out; \
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done
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2013-04-16 08:37:21 +00:00
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2014-03-29 04:07:44 +00:00
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# Build and execute the benchmark functions. This target generates JSON
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# formatted bench.out. Each of the programs produce independent JSON output,
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# so one could even execute them individually and process it using any JSON
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# capable language or tool.
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2013-04-16 12:07:24 +00:00
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bench-func: $(binaries-bench)
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2014-03-29 04:07:44 +00:00
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{ echo "{"; \
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$(timing-type); \
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echo " ,\"functions\": {"; \
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for run in $^; do \
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if ! [ "x$${run}" = "x$<" ]; then \
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echo ","; \
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fi; \
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2013-04-15 08:22:26 +00:00
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echo "Running $${run}" >&2; \
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2014-03-29 04:10:19 +00:00
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$(run-bench) $(DETAILED_OPT); \
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2014-03-29 04:07:44 +00:00
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done; \
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echo " }"; \
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echo "}"; } > $(objpfx)bench.out-tmp; \
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2013-04-12 09:31:44 +00:00
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if [ -f $(objpfx)bench.out ]; then \
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mv -f $(objpfx)bench.out $(objpfx)bench.out.old; \
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fi; \
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mv -f $(objpfx)bench.out-tmp $(objpfx)bench.out
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2014-03-29 04:07:44 +00:00
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$(timing-type) $(binaries-bench) $(binaries-benchset): %: %.o \
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2013-04-12 09:31:44 +00:00
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link)
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2013-04-15 05:47:01 +00:00
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$(objpfx)bench-%.c: %-inputs $(bench-deps)
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2013-04-12 09:31:44 +00:00
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{ if [ -n "$($*-INCLUDE)" ]; then \
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cat $($*-INCLUDE); \
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fi; \
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2014-03-24 15:46:36 +00:00
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$(.)scripts/bench.py $(patsubst %-inputs,%,$<); } > $@-tmp
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2013-04-12 09:31:44 +00:00
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mv -f $@-tmp $@
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