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This is ICFP 2006 um32 implementation in golang.
You can find more about contest herehttp://www.boundvariable.org/
Machineintel i7-1260P
/usr/bin/time -v ./um32 sandmark.umz....SANDmark complete. Command being timed:"./um32 sandmark.umz" Usertime (seconds): 12.98 Systemtime (seconds): 0.17 Percent of CPU this job got: 108% Elapsed (wall clock)time (h:mm:ss or m:ss): 0:12.13 Average shared text size (kbytes): 0 Average unshared data size (kbytes): 0 Average stack size (kbytes): 0 Average total size (kbytes): 0 Maximum residentset size (kbytes): 11448 Average residentset size (kbytes): 0 Major (requiring I/O) page faults: 199 Minor (reclaiming a frame) page faults: 47044 Voluntary context switches: 10324 Involuntary context switches: 404 Swaps: 0 File system inputs: 111 File system outputs: 0 Socket messages sent: 0 Socket messages received: 0 Signals delivered: 0 Page size (bytes): 4096 Exit status: 0
You don't need fancy structs for machine and instruction. Its simple machine that is encoded in sand platters by some cultist DUH.
Just GO and have some fun.
go build will createum32 binary file
To unpack codex.umz you can do:
./um32 codex.umz | tee codex.umThen open codex.um in your prefered editor and delete first few lines, you will see when to stop.
Get familiar with UMIX, its commands, reading mails etc.
Figure out how to copy program into UMIX (umodem; similar tocat <<EOF )
You are informed via mail that someone is misusing guest account. Try exploiting it more!