[Simh] What is the best machine to run simh?

[Thomas Pfau]

simh with inline changes and compiled with -O3 -march=athlon64 -mfpmath=387

I haven't done much testing of the optimized build but it feels a lot
more responsive than before.

--------

Simh04» r pt_vax
Emulated VAX CPU comparative performance test, version 1.0
Copyright 2006 Software Resources International.
This test is not suitable to measure overall system performance.
No rights can be derived from the execution or the output of this test
Adjusting test length for fixed and floating point to 10 seconds/unit
Test started on Thu Jan 24 19:53:59 2008, for a VAXserver 3900 Series
CPU with V
MS V7.3   

Sequential test results:                                             

               MIPs       Dhrystones   VUPs
Run 0          14.3        35273       15.4       
Run 1          14.3        31746       16.0       
Run 2          14.3        31746       16.0       
Run 3          14.3        31746       16.0       
---------------------------------------------
Average        14.3        32627       15.8       

Interleaved test results:

               MIPs       Dhrystones   VUPs
Run 0          14.3        35273       16.0       
Run 1          14.3        31746       16.2       
Run 2          14.3        31746       15.6       
Run 3          14.3        35273       15.6       
---------------------------------------------
Average        14.3        33509       15.9       

Test ended on Thu Jan 24 19:57:56 2008, checksum 54943EC4

--------

macguyver:~% cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 75
model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
stepping        : 2
cpu MHz         : 2200.000
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 0
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8_legacy
bogomips        : 4411.41
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 75
model name      : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+
stepping        : 2
cpu MHz         : 2200.000
cache size      : 512 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext
fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm cmp_legacy svm cr8_legacy
bogomips        : 4411.41
TLB size        : 1024 4K pages
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc