23 lines
414 B
Makefile
23 lines
414 B
Makefile
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all: blur
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blur: blur.c
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gcc -S blur.c -o blur.s
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gcc -o blur-no-opt blur.c
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gcc -O2 -S blur.c -o blur-O2.s
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gcc -O2 -o blur-O2 blur.c
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clean::
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rm -rf *.o blur-no-opt blur-O*
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# blur-no-opt: 11.98
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# blur-O1: 6.56
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# blur-O2: 6.31
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# blur-O3: 8.29
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# blur-O4: 8.28
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# blur-O5: 8.23
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# blur-O6: 8.07
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# now break up the task into subfunctions and call them separately
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# so that I can measure the functin call overhead.
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