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objpfx = $(prefix)/$(ver)/usr/libexec/glibc-benchtests/
bench-math := acos acosh asin asinh atan atanh cos cosh exp exp2 ffs ffsll \
log log2 modf pow rint sin sincos sinh sqrt tan tanh
bench-pthread := pthread_once
bench := $(bench-math) $(bench-pthread)
run-bench := $(prefix)/$(ver)/lib64/ld-linux-x86-64.so.2 --library-path $(prefix)/$(ver)/lib64 $${run}
# String function benchmarks.
string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
strcat strchr strchrnul strcmp strcpy strcspn strlen \
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok
string-bench-all := $(string-bench)
stdlib-bench := strtod
benchset := $(string-bench-all) $(stdlib-bench)
bench-malloc := malloc-thread
binaries-bench := $(addprefix $(objpfx)bench-,$(bench))
binaries-benchset := $(addprefix $(objpfx)bench-,$(benchset))
binaries-bench-malloc := $(addprefix $(objpfx)bench-,$(bench-malloc))
DETAILED_OPT :=
ifdef DETAILED
DETAILED_OPT := -d
endif
bench: bench-set bench-func bench-malloc
bench-set: $(binaries-benchset)
for run in $^; do \
outfile=$(prefix)/$$(basename $${run}.$(ver).out); \
echo "Running $${run}"; \
$(run-bench) > $${outfile}.tmp; \
mv $${outfile}{.tmp,}; \
done
bench-malloc: $(binaries-bench-malloc)
run=$(objpfx)bench-malloc-thread; \
outfile=$(prefix)/$$(basename $${run}.$(ver).out); \
for thr in 1 8 16 32; do \
echo "Running $${run} $${thr}"; \
$(run-bench) $${thr} > $${outfile}.tmp; \
mv $${outfile}{.tmp,}; \
done
# Build and execute the benchmark functions. This target generates JSON
# formatted bench.out. Each of the programs produce independent JSON output,
# so one could even execute them individually and process it using any JSON
# capable language or tool.
bench-func: $(binaries-bench)
{ echo "{\"timing_type\": \"hp-timing\","; \
echo " \"functions\": {"; \
for run in $^; do \
if ! [ "x$${run}" = "x$<" ]; then \
echo ","; \
fi; \
echo "Running $${run}" >&2; \
$(run-bench) $(DETAILED_OPT); \
done; \
echo; \
echo " }"; \
echo "}"; } > $(prefix)/bench.$(ver).out-tmp; \
if [ -f $(prefix)/bench.$(ver).out ]; then \
mv -f $(prefix)/bench.$(ver).out{,.old}; \
fi; \
mv -f $(prefix)/bench.$(ver).out{-tmp,}
# scripts/validate_benchout.py bench.out \
# scripts/benchout.schema.json
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