diff options
Diffstat (limited to 'libc/benchtests/Makefile')
| -rw-r--r-- | libc/benchtests/Makefile | 81 |
1 files changed, 16 insertions, 65 deletions
diff --git a/libc/benchtests/Makefile b/libc/benchtests/Makefile index 387fde441..861839013 100644 --- a/libc/benchtests/Makefile +++ b/libc/benchtests/Makefile @@ -23,12 +23,6 @@ # - Append the function name to the bench variable -# - Define foo-ITER with the number of iterations you want to run. Keep it -# high enough that the overhead of clock_gettime is only a small fraction of -# the total run time of the test. A good idea would be to keep the run time -# of each test at around 10 seconds for x86_64. That is just a guideline, -# since some scenarios may require higher run times. - # - Define foo-ARGLIST as a colon separated list of types of the input # arguments. Use `void` if function does not take any inputs. Put in quotes # if the input argument is a pointer, e.g.: @@ -45,92 +39,36 @@ # See pow-inputs for an example. subdir := benchtests -bench := exp pow rint sin cos tan atan modf \ - slowexp slowpow slowsin slowcos slowtan slowatan +bench := exp pow rint sin cos tan atan modf -# exp function fast path: sysdeps/ieee754/dbl-64/e_exp.c -exp-ITER = 5e8 exp-ARGLIST = double exp-RET = double LDFLAGS-bench-exp = -lm -# pow function fast path: sysdeps/ieee754/dbl-64/e_pow.c -pow-ITER = 2e8 pow-ARGLIST = double:double pow-RET = double LDFLAGS-bench-pow = -lm -rint-ITER = 250000000 rint-ARGLIST = double rint-RET = double LDFLAGS-bench-rint = -lm -# exp function slowest path: sysdeps/ieee754/dbl-64/mpexp.c -slowexp-ITER = 3e5 -slowexp-ARGLIST = double -slowexp-RET = double -slowexp-INCLUDE = slowexp.c -LDFLAGS-bench-slowexp = -lm - -# sin function fast path: sysdeps/ieee754/dbl-64/s_sin.c -sin-ITER = 3e9 sin-ARGLIST = double sin-RET = double LDFLAGS-bench-sin = -lm -# cos function fast path: sysdeps/ieee754/dbl-64/s_sin.c -cos-ITER = 3e9 cos-ARGLIST = double cos-RET = double LDFLAGS-bench-cos = -lm -# tan function fast path: sysdeps/ieee754/dbl-64/s_tan.c -tan-ITER = 3e9 tan-ARGLIST = double tan-RET = double LDFLAGS-bench-tan = -lm -# atan function fast path: sysdeps/ieee754/dbl-64/s_atan.c -atan-ITER = 6e9 atan-ARGLIST = double atan-RET = double LDFLAGS-bench-atan = -lm -# pow function slowest path: sysdeps/ieee754/dbl-64/slowpow.c -slowpow-ITER = 1e5 -slowpow-ARGLIST = double:double -slowpow-RET = double -slowpow-INCLUDE = slowpow.c -LDFLAGS-bench-slowpow = -lm - -# sin function slowest path: sysdeps/ieee754/dbl-64/sincos32.c -slowsin-ITER = 3e7 -slowsin-ARGLIST = double -slowsin-RET = double -slowsin-INCLUDE = slowsin.c -LDFLAGS-bench-slowsin = -lm - -# cos function slowest path: sysdeps/ieee754/dbl-64/sincos32.c -slowcos-ITER = 3e7 -slowcos-ARGLIST = double -slowcos-RET = double -slowcos-INCLUDE = slowcos.c -LDFLAGS-bench-slowcos = -lm - -# tan function slowest path: sysdeps/ieee754/dbl-64/mptan.c -slowtan-ITER = 3e7 -slowtan-ARGLIST = double -slowtan-RET = double -slowtan-INCLUDE = slowtan.c -LDFLAGS-bench-slowtan = -lm - -# atan function slowest path: sysdeps/ieee754/dbl-64/mpatan.c -slowatan-ITER = 3e8 -slowatan-ARGLIST = double -slowatan-RET = double -slowatan-INCLUDE = slowatan.c -LDFLAGS-bench-slowatan = -lm - # Rules to build and execute the benchmarks. Do not put any benchmark @@ -141,13 +79,26 @@ include ../Rules binaries-bench := $(addprefix $(objpfx)bench-,$(bench)) +# The default duration: 10 seconds. +ifndef BENCH_DURATION +BENCH_DURATION := 10 +endif + +CPPFLAGS-nonlib = -DDURATION=$(BENCH_DURATION) + +# Use clock_gettime to measure performance of functions. The default is to use +# HP_TIMING if it is available. +ifdef USE_CLOCK_GETTIME +CPPFLAGS-nonlib += -DUSE_CLOCK_GETTIME +endif + # This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed # for all these modules. cpp-srcs-left := $(binaries-bench:=.c) lib := nonlib include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left)) -bench-deps := bench-skeleton.c Makefile +bench-deps := bench-skeleton.c bench-timing.h Makefile run-bench = $(test-wrapper-env) \ GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \ @@ -176,5 +127,5 @@ $(objpfx)bench-%.c: %-inputs $(bench-deps) cat $($*-INCLUDE); \ fi; \ $(..)scripts/bench.pl $(patsubst %-inputs,%,$<) \ - $($*-ITER) $($*-ARGLIST) $($*-RET); } > $@-tmp + $($*-ARGLIST) $($*-RET); } > $@-tmp mv -f $@-tmp $@ |