From mboxrd@z Thu Jan 1 00:00:00 1970 MIME-Version: 1.0 In-Reply-To: <64cc61c082febe489ac3244473bb4ca4@brasstown.quanstro.net> References: <64cc61c082febe489ac3244473bb4ca4@brasstown.quanstro.net> Date: Mon, 23 Sep 2013 22:11:38 +0100 Message-ID: From: Charles Forsyth To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Content-Type: multipart/alternative; boundary=001a11c262ce4b266a04e71377f1 Subject: Re: [9fans] userspace semlocks Topicbox-Message-UUID: 80f646a2-ead8-11e9-9d60-3106f5b1d025 --001a11c262ce4b266a04e71377f1 Content-Type: text/plain; charset=UTF-8 On 22 September 2013 03:55, erik quanstrom wrote: > > new 1.55e10 O=10 M=8 > old 2.74e10 > > new 3.64e10 O=0 M=8 > old 5.14e10 > > am i doing something fundamental wrong, or are the new locks substantially > slower than the old ones? > In those cases, the new times seem to be quite a bit faster, more than they are slower in the cases you found slower, which involved only one process (if I understand the tests) --001a11c262ce4b266a04e71377f1 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

= On 22 September 2013 03:55, erik quanstrom <quanstro@quanstro.net&= gt; wrote:

=C2=A0 =C2=A0 =C2=A0 =C2=A0 new =C2=A0 =C2=A0 1.55e10 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 O=3D10 =C2=A0 =C2=A0M=3D8
=C2=A0 =C2=A0 =C2=A0 =C2=A0 old =C2=A0 =C2=A0 2.74e10

=C2=A0 =C2=A0 =C2=A0 =C2=A0 new =C2=A0 =C2=A0 3.64e10 =C2=A0 =C2=A0 =C2=A0 = =C2=A0 O=3D0 =C2=A0 =C2=A0 M=3D8
=C2=A0 =C2=A0 =C2=A0 =C2=A0 old =C2=A0 =C2=A0 5.14e10

am i doing something fundamental wrong, or are the new locks substantially<= br> slower than the old ones?

In those cases, the= new times seem to be quite a bit faster, more than they are slower in the = cases you found
slower, which involved only one process (if I un= derstand the tests)
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