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https://github.com/mborgerding/kissfft.git
synced 2025-05-27 21:20:27 -04:00
44 lines
1.2 KiB
Makefile
44 lines
1.2 KiB
Makefile
NFFT=1024
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ALLUTILS=kfft kffts kfftd
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NUMFFTS=10000
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UTILSRC=../kiss_fft.c fftutil.c
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all: $(ALLUTILS)
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kfft: $(UTILSRC)
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gcc -Wall -O3 -o $@ -lm -I.. $(UTILSRC)
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kffts: $(UTILSRC)
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gcc -Wall -O3 -o $@ -lm -I.. -DFIXED_POINT $(UTILSRC)
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kfftd: $(UTILSRC)
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gcc -Wall -O3 -o $@ -lm -I.. -Dkiss_fft_scalar=double $(UTILSRC)
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time: all
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@echo
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@echo "#### timing $(NUMFFTS) x $(NFFT) point FFTs"
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@echo "#### DOUBLE"
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@time -f 'Elapsed:%E user:%U sys:%S' \
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sh -c 'dd if=/dev/zero bs=$$((16*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kfftd>/dev/null'
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@echo "#### FLOAT"
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@time -f 'Elapsed:%E user:%U sys:%S' \
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sh -c 'dd if=/dev/zero bs=$$((8*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kfft>/dev/null'
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@echo "#### SHORT"
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@time -f 'Elapsed:%E user:%U sys:%S' \
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sh -c 'dd if=/dev/zero bs=$$((4*$(NFFT))) count=$(NUMFFTS) 2>/dev/null |./kffts>/dev/null'
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snr: all
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@which octave
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@echo
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@echo "### testing SNR for $(NFFT) point FFTs"
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@echo "#### DOUBLE"
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@echo "testkiss($(NFFT),'double',1,1/$(NFFT));" | octave -q
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@echo "#### FLOAT"
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@echo "testkiss($(NFFT),'float',1,1/$(NFFT));" | octave -q
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@echo "#### SHORT"
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@echo "testkiss($(NFFT),'short',$(NFFT),$(NFFT));" | octave -q
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test: snr time
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clean:
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rm -f $(ALLUTILS) *.dat *~
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