{"request":{"program":"#! title Three workers, three jobs\n#! about A 3×3 grid: row r is a worker, column c a job, and + means worker r takes job c. Each row and each column holds exactly one +, every other cell -. The first version could not write this above 2×2; here each cell takes only + and -, and every state of lowest energy is one of the six assignments.\n#! expect works\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\nsolve restarts=8 steps=40\n","protocol":"wai.quantum.landscape/2","seeds":4},"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/sample","parity":"reference"},"seeds":4,"lines":"1 5d43b1c163c45e32 --+-+-+-- -21 solved 11520 b2f31444d0854232\n2 a55f822b586eb594 -+-+----+ -21 solved 11520 67a126958e09a7c6\n3 270e8be20949cb20 --+-+-+-- -21 solved 11520 77037d933d161315\n4 4f726b418f68a2b1 +----+-+- -21 solved 11520 b81302f4dc1a98c2\n","engine":{"name":"wai-quantum","version":"0.9.0"},"schema":"wai.quantum.landscape/2","receipt":{"alg":"ed25519","canon":"rfc8785","key":"197f6b23e16c8532c6abc838facd5ea789be0c76b2920334039bfa8b3d368d61","digest":"534a1e0d198b24239122f438228da1819d8ee49061dfcc645f0a13830f507741","signature":"a0d5c6e663c3da55a0811ec069a1bf9d11a8f7e377c89101f1dfea13840b00bd2851c2d6236fa23f615a62c5c5a4c964ae21940889f9f3393a4a1d8ca115570b"}}}