Re: Does the KA630 have a TB?

[Johnny Billquist <bqt%softjar.se@localhost>]

I think the performance of the simulated VAX is somewhat disappointing, 
with that hardware... I would have expected more...

Hmm. Now I guess I need to fire up simh and compare... Or have you done 
that already?

  Johnny

On 2023-09-25 17:28, Mouse wrote:
> > > I've just started a(nother) build of the 1.4T+mouse world on my
> > > emulated VAX.  I started rebuilding the kernel last night; it's
> > > 10:29:17.35 in and it's working on uipc_syscalls.c [...]
> > So your emulation is a bit slower than an 11/785, it sounds like.
> > Maybe close to an 11/780.
>
> This is without any JITting.  I've never built a jitter, so I expect
> that to take significant time - once I _find_ the time, that is.
>
> And, of course, speed also depends on the underlying machine.  In this
> case, that means
>
> cpu0: Intel Pentium 4 (686-class), 1594.95 MHz, id 0xf12
> cpu0: features 0x3febfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
> cpu0: features 0x3febfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
> cpu0: features 0x3febfbff<FXSR,SSE,SSE2,SS,HTT,TM>
> cpu0: "Intel(R) Pentium(R) 4 CPU 1.60GHz"
> cpu0: I-cache 12K uOp cache 8-way, D-cache 8KB 64B/line 4-way
> cpu0: L2 cache 256KB 64B/line 8-way
> cpu0: ITLB 4K/4M: 64 entries
> cpu0: DTLB 4K/4M: 64 entries
> cpu0: Initial APIC ID 0
> cpu0: Cluster/Package ID 0
> cpu0: family 0f model 01 extfamily 00 extmodel 00 stepping 02
>
> But if-and-when I do write a jitter, it won't be for x86/x64; I'd
> instead pick a machine I know better, probably SPARC.
>
> /~\ The ASCII				  Mouse
> \ / Ribbon Campaign
>   X  Against HTML		mouse%rodents-montreal.org@localhost
> / \ Email!	     7D C8 61 52 5D E7 2D 39  4E F1 31 3E E8 B3 27 4B

--
Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt%softjar.se@localhost             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol