46 lines
1.2 KiB
Bash
46 lines
1.2 KiB
Bash
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#!/bin/bash
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uname -a
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gcc --version
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vips --version
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# how large an image do you want to process?
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# sample2.v is 290x442 pixels ... replicate this many times horizontally and
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# vertically to get a highres image for the benchmark
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tile=13
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# how complex an operation do you want to run?
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# this sets the number of copies of the benchmark we chain together:
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# higher values run more slowly and are more likely to be CPU-bound
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chain=1
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echo building test image ...
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echo "tile=$tile"
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vips im_replicate sample2.v temp.v $tile $tile
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if [ $? != 0 ]; then
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echo "build of test image failed -- out of disc space?"
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exit 1
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fi
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echo -n "test image is" `header -f width temp.v`
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echo " by" `header -f height temp.v` "pixels"
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max_cpus=`vips im_concurrency_get`
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echo "max cpus = $max_cpus"
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echo "starting benchmark ..."
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echo /usr/bin/time vips \
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--vips-concurrency=xx \
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im_benchmarkn temp.v temp2.v $chain
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for((cpus = 1; cpus <= max_cpus; cpus++)); do
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echo cpus = $cpus
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/usr/bin/time vips \
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--vips-concurrency=$cpus \
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im_benchmarkn temp.v temp2.v $chain 2>&1
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/usr/bin/time vips \
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--vips-concurrency=$cpus \
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im_benchmarkn temp.v temp2.v $chain 2>&1
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/usr/bin/time vips \
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--vips-concurrency=$cpus \
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im_benchmarkn temp.v temp2.v $chain 2>&1
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done
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