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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Nope: 2000/1 means 2000 instructions and wat 1 msec which is the resultion of the sleep timer.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Reindert<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> owner-hecnet@Update.UU.SE [mailto:owner-hecnet@Update.UU.SE] <b>On Behalf Of </b>Supratim Sanyal<br><b>Sent:</b> Thursday, 18 November, 2021 21:06<br><b>To:</b> hecnet@Update.UU.SE<br><b>Subject:</b> Re: [HECnet] ANF10 network --> DN200/DN20 --> instant gratification ...?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>On 11/18/21 1:35 PM, Paul Koning wrote:<o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>On Nov 18, 2021, at 1:26 PM, Supratim Sanyal <a href="mailto:supratim@riseup.net"><supratim@riseup.net></a> wrote:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>On 11/18/21 11:10 AM, R. Voorhorst wrote:<o:p></o:p></pre><pre><o:p> </o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre>Hi,<o:p></o:p></pre></blockquote><pre>Hi.<o:p></o:p></pre><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre> ...<o:p></o:p></pre><pre>2. The simh config file for configuring a working simh Pdp11/34 with the proper throttling to make it work; the proper setting is important because of Chk11 init phase which is instruction timing based!!! <o:p></o:p></pre></blockquote><pre>How does one arrive at a realistic argument for throttle? Did you put 2000/1 because you reckon your host processor does 2000 instructions in the same time as the guest processor does 1? Or is it more pure clock speed based?<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>SET THROTTLE 2000/1<o:p></o:p></pre></blockquote><pre><o:p> </o:p></pre><pre>Check the docs ("help set throttle"). The simplest is to say what instruction rate you want: "set throttle 300k" is probably a pretty realistic setting to make it look like an 11/20; "set throttle 2m" is a somewhat optimistic 11/70.<o:p></o:p></pre></blockquote><p>I am interpreting the "2000/1" as "wait 2 seconds after one instruction" which cannot be right, hence my question.<o:p></o:p></p><p>BTW, throttle is dicey; my MicroVAX 3800 (the SIMH "vax") machines are set to 1.9 mips (3.8 times of the 0.5 mip 11/780), but still they grab 100% of a core running *BSD.<o:p></o:p></p><p>But this is a discussion for the SIMH forum, not here.<o:p></o:p></p><p><o:p> </o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><pre><o:p> </o:p></pre><pre> paul<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre></blockquote><div><p class=MsoNormal>-- <br><img border=0 width=87 height=87 id="_x0000_i1025" src="cid:image001.png@01D7DCC5.6A9B2720"><o:p></o:p></p></div></div></body></html>