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toy-sram/rtl/sim/coco/readme.md

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# Cocotb + Icarus Verilog Array Sim
## Array Wrapper
* two versions
* Makefile_64x72 (behavioral-only)
* Makefile_64x72_shard (behavioral, netlist-style RTL)
* compile and run
```
make RANDOM_SEED=8675309 -f Makefile_64x72_shard build
gtkwave tb_ra_64x72.fst ra_shard_64x72_2r1w.gtkw
```
* just run
```
make -f Makefile_64x72_shard
```
* results
```
MODULE=tb_ra_64x72 TESTCASE=tb TOPLEVEL=tb_ra_64x72_2r1w TOPLEVEL_LANG=verilog \
/usr/local/bin/vvp -M /home/wtf/.local/lib/python3.10/site-packages/cocotb/libs -m libcocotbvpi_icarus sim_build/sim.vvp
-.--ns INFO gpi ..mbed/gpi_embed.cpp:76 in set_program_name_in_venv Did not detect Python virtual environment. Using system-wide Python interpreter
-.--ns INFO gpi ../gpi/GpiCommon.cpp:101 in gpi_print_registered_impl VPI registered
0.00ns INFO cocotb Running on Icarus Verilog version 12.0 (devel)
0.00ns INFO cocotb Running tests with cocotb v1.7.1 from /home/wtf/.local/lib/python3.10/site-packages/cocotb
0.00ns INFO cocotb Seeding Python random module with supplied seed 8675309
0.00ns INFO cocotb.regression Found test tb_ra_64x72.tb
0.00ns INFO cocotb.regression running tb (1/1)
ToySRAM 64x72 array test
0.00ns INFO cocotb.tb_ra_64x72_2r1w [00000001] Resetting...
9.00ns INFO cocotb.tb_ra_64x72_2r1w [00000010] Releasing reset.
25.00ns INFO cocotb.tb_ra_64x72_2r1w [00000027] Initializing array...
25.00ns INFO cocotb.tb_ra_64x72_2r1w [00000027] Port=0 WR @00=005555555555555500
26.00ns INFO cocotb.tb_ra_64x72_2r1w [00000028] Port=0 WR @01=015555555555555501
27.00ns INFO cocotb.tb_ra_64x72_2r1w [00000029] Port=0 WR @02=025555555555555502
28.00ns INFO cocotb.tb_ra_64x72_2r1w [00000030] Port=0 WR @03=035555555555555503
29.00ns INFO cocotb.tb_ra_64x72_2r1w [00000031] Port=0 WR @04=045555555555555504
30.00ns INFO cocotb.tb_ra_64x72_2r1w [00000032] Port=0 WR @05=055555555555555505
31.00ns INFO cocotb.tb_ra_64x72_2r1w [00000033] Port=0 WR @06=065555555555555506
32.00ns INFO cocotb.tb_ra_64x72_2r1w [00000034] Port=0 WR @07=075555555555555507
33.00ns INFO cocotb.tb_ra_64x72_2r1w [00000035] Port=0 WR @08=085555555555555508
34.00ns INFO cocotb.tb_ra_64x72_2r1w [00000036] Port=0 WR @09=095555555555555509
35.00ns INFO cocotb.tb_ra_64x72_2r1w [00000037] Port=0 WR @0A=0A555555555555550A
36.00ns INFO cocotb.tb_ra_64x72_2r1w [00000038] Port=0 WR @0B=0B555555555555550B
37.00ns INFO cocotb.tb_ra_64x72_2r1w [00000039] Port=0 WR @0C=0C555555555555550C
38.00ns INFO cocotb.tb_ra_64x72_2r1w [00000040] Port=0 WR @0D=0D555555555555550D
39.00ns INFO cocotb.tb_ra_64x72_2r1w [00000041] Port=0 WR @0E=0E555555555555550E
40.00ns INFO cocotb.tb_ra_64x72_2r1w [00000042] Port=0 WR @0F=0F555555555555550F
41.00ns INFO cocotb.tb_ra_64x72_2r1w [00000043] Port=0 WR @10=105555555555555510
42.00ns INFO cocotb.tb_ra_64x72_2r1w [00000044] Port=0 WR @11=115555555555555511
43.00ns INFO cocotb.tb_ra_64x72_2r1w [00000045] Port=0 WR @12=125555555555555512
44.00ns INFO cocotb.tb_ra_64x72_2r1w [00000046] Port=0 WR @13=135555555555555513
45.00ns INFO cocotb.tb_ra_64x72_2r1w [00000047] Port=0 WR @14=145555555555555514
46.00ns INFO cocotb.tb_ra_64x72_2r1w [00000048] Port=0 WR @15=155555555555555515
47.00ns INFO cocotb.tb_ra_64x72_2r1w [00000049] Port=0 WR @16=165555555555555516
48.00ns INFO cocotb.tb_ra_64x72_2r1w [00000050] Port=0 WR @17=175555555555555517
49.00ns INFO cocotb.tb_ra_64x72_2r1w [00000051] Port=0 WR @18=185555555555555518
50.00ns INFO cocotb.tb_ra_64x72_2r1w [00000052] Port=0 WR @19=195555555555555519
51.00ns INFO cocotb.tb_ra_64x72_2r1w [00000053] Port=0 WR @1A=1A555555555555551A
52.00ns INFO cocotb.tb_ra_64x72_2r1w [00000054] Port=0 WR @1B=1B555555555555551B
53.00ns INFO cocotb.tb_ra_64x72_2r1w [00000055] Port=0 WR @1C=1C555555555555551C
54.00ns INFO cocotb.tb_ra_64x72_2r1w [00000056] Port=0 WR @1D=1D555555555555551D
55.00ns INFO cocotb.tb_ra_64x72_2r1w [00000057] Port=0 WR @1E=1E555555555555551E
56.00ns INFO cocotb.tb_ra_64x72_2r1w [00000058] Port=0 WR @1F=1F555555555555551F
57.00ns INFO cocotb.tb_ra_64x72_2r1w [00000059] Port=0 WR @20=205555555555555520
58.00ns INFO cocotb.tb_ra_64x72_2r1w [00000060] Port=0 WR @21=215555555555555521
59.00ns INFO cocotb.tb_ra_64x72_2r1w [00000061] Port=0 WR @22=225555555555555522
60.00ns INFO cocotb.tb_ra_64x72_2r1w [00000062] Port=0 WR @23=235555555555555523
61.00ns INFO cocotb.tb_ra_64x72_2r1w [00000063] Port=0 WR @24=245555555555555524
62.00ns INFO cocotb.tb_ra_64x72_2r1w [00000064] Port=0 WR @25=255555555555555525
63.00ns INFO cocotb.tb_ra_64x72_2r1w [00000065] Port=0 WR @26=265555555555555526
64.00ns INFO cocotb.tb_ra_64x72_2r1w [00000066] Port=0 WR @27=275555555555555527
65.00ns INFO cocotb.tb_ra_64x72_2r1w [00000067] Port=0 WR @28=285555555555555528
66.00ns INFO cocotb.tb_ra_64x72_2r1w [00000068] Port=0 WR @29=295555555555555529
67.00ns INFO cocotb.tb_ra_64x72_2r1w [00000069] Port=0 WR @2A=2A555555555555552A
68.00ns INFO cocotb.tb_ra_64x72_2r1w [00000070] Port=0 WR @2B=2B555555555555552B
69.00ns INFO cocotb.tb_ra_64x72_2r1w [00000071] Port=0 WR @2C=2C555555555555552C
70.00ns INFO cocotb.tb_ra_64x72_2r1w [00000072] Port=0 WR @2D=2D555555555555552D
71.00ns INFO cocotb.tb_ra_64x72_2r1w [00000073] Port=0 WR @2E=2E555555555555552E
72.00ns INFO cocotb.tb_ra_64x72_2r1w [00000074] Port=0 WR @2F=2F555555555555552F
73.00ns INFO cocotb.tb_ra_64x72_2r1w [00000075] Port=0 WR @30=305555555555555530
74.00ns INFO cocotb.tb_ra_64x72_2r1w [00000076] Port=0 WR @31=315555555555555531
75.00ns INFO cocotb.tb_ra_64x72_2r1w [00000077] Port=0 WR @32=325555555555555532
76.00ns INFO cocotb.tb_ra_64x72_2r1w [00000078] Port=0 WR @33=335555555555555533
77.00ns INFO cocotb.tb_ra_64x72_2r1w [00000079] Port=0 WR @34=345555555555555534
78.00ns INFO cocotb.tb_ra_64x72_2r1w [00000080] Port=0 WR @35=355555555555555535
79.00ns INFO cocotb.tb_ra_64x72_2r1w [00000081] Port=0 WR @36=365555555555555536
80.00ns INFO cocotb.tb_ra_64x72_2r1w [00000082] Port=0 WR @37=375555555555555537
81.00ns INFO cocotb.tb_ra_64x72_2r1w [00000083] Port=0 WR @38=385555555555555538
82.00ns INFO cocotb.tb_ra_64x72_2r1w [00000084] Port=0 WR @39=395555555555555539
83.00ns INFO cocotb.tb_ra_64x72_2r1w [00000085] Port=0 WR @3A=3A555555555555553A
84.00ns INFO cocotb.tb_ra_64x72_2r1w [00000086] Port=0 WR @3B=3B555555555555553B
85.00ns INFO cocotb.tb_ra_64x72_2r1w [00000087] Port=0 WR @3C=3C555555555555553C
86.00ns INFO cocotb.tb_ra_64x72_2r1w [00000088] Port=0 WR @3D=3D555555555555553D
87.00ns INFO cocotb.tb_ra_64x72_2r1w [00000089] Port=0 WR @3E=3E555555555555553E
88.00ns INFO cocotb.tb_ra_64x72_2r1w [00000090] Port=0 WR @3F=3F555555555555553F
89.00ns INFO cocotb.tb_ra_64x72_2r1w [00000091] Running random commands...
89.50ns INFO cocotb.tb_ra_64x72_2r1w [00000091] Port=0 WR @29=9BFB82E63586CCC8C7
90.50ns INFO cocotb.tb_ra_64x72_2r1w [00000092] Port=0 WR @1C=23C37F63E32FE18FAE
90.50ns INFO cocotb.tb_ra_64x72_2r1w [00000092] Port=0 RD @0D
91.50ns INFO cocotb.tb_ra_64x72_2r1w [00000093] Port=0 RD @1E
91.50ns INFO cocotb.tb_ra_64x72_2r1w [00000093] Port=1 RD @05
92.50ns INFO cocotb.tb_ra_64x72_2r1w [00000094] * RD COMPARE * port=0 adr=0D act=0D555555555555550D exp=0D555555555555550D
92.50ns INFO cocotb.tb_ra_64x72_2r1w [00000094] Port=0 RD @32
93.50ns INFO cocotb.tb_ra_64x72_2r1w [00000095] * RD COMPARE * port=0 adr=1E act=1E555555555555551E exp=1E555555555555551E
93.50ns INFO cocotb.tb_ra_64x72_2r1w [00000095] * RD COMPARE * port=1 adr=05 act=055555555555555505 exp=055555555555555505
93.50ns INFO cocotb.tb_ra_64x72_2r1w [00000095] Port=0 WR @0F=AC194AC63383A4B51D
94.50ns INFO cocotb.tb_ra_64x72_2r1w [00000096] * RD COMPARE * port=0 adr=32 act=325555555555555532 exp=325555555555555532
95.50ns INFO cocotb.tb_ra_64x72_2r1w [00000097] Port=1 RD @0C
96.50ns INFO cocotb.tb_ra_64x72_2r1w [00000098] Port=0 WR @34=84DC7761056CBA5416
96.50ns INFO cocotb.tb_ra_64x72_2r1w [00000098] Port=0 RD @2C
96.50ns INFO cocotb.tb_ra_64x72_2r1w [00000098] Port=1 RD @0A
97.50ns INFO cocotb.tb_ra_64x72_2r1w [00000099] * RD COMPARE * port=1 adr=0C act=0C555555555555550C exp=0C555555555555550C
97.50ns INFO cocotb.tb_ra_64x72_2r1w [00000099] Port=0 WR @35=C827951DD9AF778AA6
98.00ns INFO cocotb.tb_ra_64x72_2r1w [00000100] ...tick...
...
50067.50ns INFO cocotb.tb_ra_64x72_2r1w [00050069] * RD COMPARE * port=1 adr=1A act=BD0918D335EAE57EB8 exp=BD0918D335EAE57EB8
50067.50ns INFO cocotb.tb_ra_64x72_2r1w [00050069] Port=0 RD @2D
50067.50ns INFO cocotb.tb_ra_64x72_2r1w [00050069] Port=1 RD @3C
50068.50ns INFO cocotb.tb_ra_64x72_2r1w [00050070] Port=0 RD @03
50069.50ns INFO cocotb.tb_ra_64x72_2r1w [00050071] * RD COMPARE * port=0 adr=2D act=DD22A03EC8ECED56A5 exp=DD22A03EC8ECED56A5
50069.50ns INFO cocotb.tb_ra_64x72_2r1w [00050071] * RD COMPARE * port=1 adr=3C act=E2D4702C0CFAF156D5 exp=E2D4702C0CFAF156D5
50069.50ns INFO cocotb.tb_ra_64x72_2r1w [00050071] Port=0 WR @27=2912D1F5B60C23A494
50069.50ns INFO cocotb.tb_ra_64x72_2r1w [00050071] Port=0 RD @2B
50070.50ns INFO cocotb.tb_ra_64x72_2r1w [00050072] * RD COMPARE * port=0 adr=03 act=37E14D57DAA64D10D7 exp=37E14D57DAA64D10D7
50070.50ns INFO cocotb.tb_ra_64x72_2r1w [00050072] Port=0 RD @01
50071.50ns INFO cocotb.tb_ra_64x72_2r1w [00050073] * RD COMPARE * port=0 adr=2B act=2637DB380BED8B3991 exp=2637DB380BED8B3991
50071.50ns INFO cocotb.tb_ra_64x72_2r1w [00050073] Port=0 WR @17=EC8135D0A0CE1AF036
50072.50ns INFO cocotb.tb_ra_64x72_2r1w [00050074] * RD COMPARE * port=0 adr=01 act=BAD2EFF3CF3A88BEF4 exp=BAD2EFF3CF3A88BEF4
50072.50ns INFO cocotb.tb_ra_64x72_2r1w [00050074] Port=0 WR @3E=DABCF1EB8186F007B4
50072.50ns INFO cocotb.tb_ra_64x72_2r1w [00050074] Port=0 RD @06
50073.50ns INFO cocotb.tb_ra_64x72_2r1w [00050075] Port=0 RD @2D
50074.50ns INFO cocotb.tb_ra_64x72_2r1w [00050076] * RD COMPARE * port=0 adr=06 act=119CDD1F186BC31FAC exp=119CDD1F186BC31FAC
50074.50ns INFO cocotb.tb_ra_64x72_2r1w [00050076] Port=0 WR @0E=F4852272F5E53D788B
50074.50ns INFO cocotb.tb_ra_64x72_2r1w [00050076] Port=1 RD @1F
50075.50ns INFO cocotb.tb_ra_64x72_2r1w [00050077] * RD COMPARE * port=0 adr=2D act=DD22A03EC8ECED56A5 exp=DD22A03EC8ECED56A5
50075.50ns INFO cocotb.tb_ra_64x72_2r1w [00050077] Port=0 RD @28
50076.50ns INFO cocotb.tb_ra_64x72_2r1w [00050078] * RD COMPARE * port=1 adr=1F act=DE5FE08C9855989C00 exp=DE5FE08C9855989C00
50076.50ns INFO cocotb.tb_ra_64x72_2r1w [00050078] Port=0 WR @13=F5B2F5D804B13021B0
50077.50ns INFO cocotb.tb_ra_64x72_2r1w [00050079] * RD COMPARE * port=0 adr=28 act=B867B78554C2B54D81 exp=B867B78554C2B54D81
50077.50ns INFO cocotb.tb_ra_64x72_2r1w [00050079] Port=0 WR @2A=83BA688D6465DCDB94
50079.50ns INFO cocotb.tb_ra_64x72_2r1w [00050081] Quiescing...
50089.00ns INFO cocotb.tb_ra_64x72_2r1w [00050091] Done.
50089.00ns INFO cocotb.tb_ra_64x72_2r1w [00050091] Final State
Reads Port 0: 19885
Reads Port 1: 19982
Writes Port 0: 19944
50089.00ns INFO cocotb.tb_ra_64x72_2r1w [00050091] You has opulence.
50089.00ns INFO cocotb.regression tb passed
50089.00ns INFO cocotb.regression **************************************************************************************
** TEST STATUS SIM TIME (ns) REAL TIME (s) RATIO (ns/s) **
**************************************************************************************
** tb_ra_64x72.tb PASS 50089.00 57.99 863.71 **
**************************************************************************************
** TESTS=1 PASS=1 FAIL=0 SKIP=0 50089.00 58.21 860.44 **
**************************************************************************************
```
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