{"request":{"program":"#! title Three workers, three jobs, deterministic: this fails\n#! about The 3×3 assignment at temperature 0. Every cell starts at 0 and takes the sign of its field: all -, then all +, then all - again. It never comes to rest. Constraint problems need the temperature, in this version as in the first.\n#! expect fails\n#! item cell\n#! plus chosen\n#! minus not chosen\n#! check exactly 1 0-1-2 3-4-5 6-7-8 0-3-6 1-4-7 2-5-8\n#\n# Variable 3·r + c is the cell of row r and column c: + chosen, - not.\nvars 9\nexactly 1 0 1 2\nexactly 1 3 4 5\nexactly 1 6 7 8\nexactly 1 0 3 6\nexactly 1 1 4 7\nexactly 1 2 5 8\nminimize\n","protocol":"wai.quantum.landscape/2"},"result":{"protocol":"wai.quantum.landscape/2","label":"A classical emulator of the settling model of a planned energy-based processor, running on your machine. Energies are computed exactly. The joule line prices a run at temperature 0 at the settle rate measured on an FPGA board running this project's open reference design, with a published figure for one integer add beside it for scale, and leaves a run above temperature 0 unpriced, saying why. No photonic hardware, custom chip or quantum effect is involved in this run.","member":{"id":"cpu:reference","class":"cpu","kernel":"wai.quantum.landscape2/settle","parity":"reference"},"program_digest":"e80891aeee8452db60b0dee8238a79866d1489efff8690dedfe57531c5c1f20a","title":"Three workers, three jobs, deterministic: this fails","about":"The 3×3 assignment at temperature 0. Every cell starts at 0 and takes the sign of its field: all -, then all +, then all - again. It never comes to rest. Constraint problems need the temperature, in this version as in the first.","item":"cell","expect":"fails","variables":9,"pairs":18,"seed":"1","mode":"settle","mode_words":"Deterministic (temperature 0): every variable starts at 0, then settles, for at most 60 sweeps.","temperature":0.0,"temperature_from":null,"restarts":1,"sweeps":60,"state":"---------","groups":[{"name":"chosen","items":[]},{"name":"not chosen","items":[0,1,2,3,4,5,6,7,8]}],"energy":-9,"truth":{"arrangements":19683,"lowest":-21.0,"at_lowest":6,"at_lowest_passing":6,"example":"--+-+-+--"},"reached":false,"declared":null,"warnings":[],"checks":[{"kind":"exactly","passed":false,"detail":"6 of 6 groups do not hold exactly 1 + with their other variables −."}],"verdict":"failed","summary":"It never came to rest: the deterministic mode kept flipping between two states, so this answer means nothing. Try a temperature above 0. 6 of 6 groups do not hold exactly 1 + with their other variables −.","work":{"sweeps":3,"accumulates":108,"cell_updates":27,"draws":0,"ended":"kept flipping between two states","rests":false},"joules":{"kind":"priced","class":"ModelBased","describes":"the work on one FPGA board running this project's open reference design, not the machine that ran this job","line":"Priced, not read from a meter: 108 accumulates × about 0.88 pJ = about 95 pJ.","rate_pj_per_accumulate":0.88,"rate_source":"Settle rate: measured on one FPGA board running this project's open reference design (wai/wai-quantum-landscape-fpga, its measurements of 2026-11-06): 162.0 mW of power, run minus halt on one bitstream, for a dense 64-cell settle repeated 12.5 million times a second, 1.831e11 accumulates a second at 100 MHz, its prediction committed first. One board and one whole-board sensor; one of the two null controls of that campaign failed at about 8 mW, which this reading is twenty times. No other board has repeated it.","evidence":["wai/wai-quantum-landscape-fpga/README.md (What it measured: Power)","wai/wai-quantum-landscape-fpga/measurements/2026-11-06/emio-classes/t0-recall.dat","wai/wai-quantum-landscape-fpga/measurements/2026-11-06/emio-checks/throughput-emio.txt"],"pj":95.04,"published_add":{"class":"Estimator","rate_pj_per_accumulate":0.03,"source":"a published 2014 figure for the energy of one 8-bit integer add in 45 nm logic","pj":3.2399999999999998,"line":"For scale: a published 2014 figure for one 8-bit integer add, about 0.03 pJ, puts this count at about 3.2 pJ. It is a reference point, not a model of any processor."},"left_out":{"board_watts":3.14,"board_hz":100000000.0,"clocks_at_least":3,"pj":94200.00000000001,"line":"Small jobs price low. This rate counts only the work: that board also draws about 3.1 W halted, at every clock. This run's 3 sweeps need at least 3 clocks, which is about 94 nJ of board power that the line above leaves out."},"why":null,"metered":null},"state_hash":"e604823a249029bf","replay":"655f874220d4836c6f8c4d2ab3187489f084f5b18d450b923e44f2614e675ce8","engine":{"name":"wai-quantum","version":"0.9.0"},"schema":"wai.quantum.landscape/2","receipt":{"alg":"ed25519","canon":"rfc8785","key":"197f6b23e16c8532c6abc838facd5ea789be0c76b2920334039bfa8b3d368d61","digest":"3a849da6443dbafea8081febd415cb2feff3054ec368b4f0f1188e8c55870aa7","signature":"bf50e4404c0796ac7aab751da4854902e967e79f32d3d96feaac6c6c268faae50da21711949c995f0a311ea2dca86b1668da390bd745fffc62c247a6e1563805"}}}