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Re: Making /bin/sh == bash. Has the time come?


Thorsten Dahlheimer wrote:

> Are you sure you didn't actually measure bash's performance twice?

I've just rerun the tests. This time I made sure in Task Manager that the
right shell is used.

Regards
Krzysztof Duleba

$ cat bench.sh
#!/bin/bash

benchmark() {
        package="$1"
        shell="$2"

        unset CONFIG_SHELL

        if [ $shell != "bash" ]; then export CONFIG_SHELL="/bin/$shell";
fi

        echo "Configuring $package with $shell"

        time "$package"/configure --prefix=/usr >"$package/confout.$shell"
        echo
}

benchmark "netcat-0.7.1" "sh"
benchmark "netcat-0.7.1" "bash"

benchmark "mc-4.6.1-pre4" "sh"
benchmark "mc-4.6.1-pre4" "bash"

benchmark "octave-2.1.57" "sh"
benchmark "octave-2.1.57" "bash"

$ ./bench.sh
Configuring netcat-0.7.1 with sh

real    0m48.519s
user    1m24.139s
sys     0m23.826s

Configuring netcat-0.7.1 with bash

real    0m52.584s
user    1m29.344s
sys     0m29.698s

Configuring mc-4.6.1-pre4 with sh

real    1m55.170s
user    3m25.148s
sys     0m58.383s

Configuring mc-4.6.1-pre4 with bash

real    2m2.551s
user    3m29.032s
sys     1m7.058s

Configuring octave-2.1.57 with sh

real    2m22.899s
user    3m59.346s
sys     1m8.478s

Configuring octave-2.1.57 with bash

real    2m30.363s
user    4m9.959s
sys     1m23.563s



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