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Woops, one should not test with input of all zeros

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This commit is contained in:
Mark Borgerding
2003-10-29 04:29:01 +00:00
parent 97b18f3fef
commit ca4c74e07c
6 changed files with 96 additions and 70 deletions
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63
tools/Makefile
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@ -3,7 +3,6 @@ ifeq "$(NFFT)" ""
NFFT=1024
endif
ALLUTILS=kfft kffts kfftd
ifeq "$(NUMFFTS)" ""
NUMFFTS=10000
@ -13,50 +12,54 @@ UTILSRC=../kiss_fft.c fftutil.c
CFLAGS=-Wall -O3 -lm -I.. -ansi -pedantic
all: $(ALLUTILS)
ifeq "$(DATATYPE)" ""
DATATYPE=float
endif
UTIL=fftutil_$(DATATYPE)
kfft: $(UTILSRC)
echo $(FUNCDECL)
gcc -o $@ $(CFLAGS) $(UTILSRC)
kffts: $(UTILSRC)
gcc -o $@ $(CFLAGS) -DFIXED_POINT $(UTILSRC)
kfftd: $(UTILSRC)
gcc -o $@ $(CFLAGS) -Dkiss_fft_scalar=double $(UTILSRC)
time: all
@echo
all: $(UTIL)
ifeq "$(DATATYPE)" "short"
TYPEFLAGS=-DFIXED_POINT -Dkiss_fft_scalar=short
else
TYPEFLAGS=-Dkiss_fft_scalar=$(DATATYPE)
endif
$(UTIL): $(UTILSRC)
gcc -o $@ $(CFLAGS) $(TYPEFLAGS) $(UTILSRC)
RANDDAT=rand_$(DATATYPE)_$(NUMFFTS)_$(NFFT).dat
$(RANDDAT):
./rand_fft_data.py -n $(NUMFFTS) -N $(NFFT) -t $(DATATYPE) > $(RANDDAT)
time: all $(RANDDAT)
@echo
@echo -n "#### timing $(NUMFFTS) x $(NFFT) point FFTs. "; factor $(NFFT)
@echo "#### DOUBLE"
@time -f 'Elapsed:%E user:%U sys:%S' \
sh -c 'dd if=/dev/zero bs=$$((16*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kfftd>/dev/null'
@echo "#### FLOAT"
@time -f 'Elapsed:%E user:%U sys:%S' \
sh -c 'dd if=/dev/zero bs=$$((8*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kfft>/dev/null'
@echo "#### SHORT"
@time -f 'Elapsed:%E user:%U sys:%S' \
sh -c 'dd if=/dev/zero bs=$$((4*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kffts>/dev/null'
@if [ -x ~/fftw/st ] && [ $(DATATYPE) == "double" ]; then \
echo "#### FFTW FFT $(DATATYPE)"; \
time ~/fftw/st -n $(NFFT) < $(RANDDAT) > /dev/null;\
fi
@echo "#### KISS FFT $(DATATYPE)"
@time ./$(UTIL) -n $(NFFT) < $(RANDDAT) > /dev/null
@rm $(RANDDAT)
POW2=256 512 1024 2048
POW3=243 729 2187
mtime: all
@for n in $(POW2) ;do \
@for n in $(POW2) $(POW3) ;do \
export NFFT=$$n;make time; \
done
snr: all
@which octave
@echo
@echo "### testing SNR for $(NFFT) point FFTs"
@echo "#### DOUBLE"
@echo "testkiss($(NFFT),'double',1,1/$(NFFT));" | octave -q
@echo "#### FLOAT"
@echo "testkiss($(NFFT),'float',1,1/$(NFFT));" | octave -q
@echo "#### SHORT"
@echo "testkiss($(NFFT),'short',$(NFFT),$(NFFT));" | octave -q
@echo "### testing SNR for $(NFFT) point FFTs"
@echo "#### $(DATATYPE)"
@echo "testkiss($(NFFT),'$(DATATYPE)',1,1/$(NFFT));" | octave -q
test: snr time
clean:
rm -f $(ALLUTILS) *.dat *~
rm -f *.dat *~ fftutil_*