openAI-math-dataset / lean /OAI /Computability /DirectedFeedback /Machines /MachineRegularExecutionBounds.lean
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import Mathlib
import OAI.Computability.DirectedFeedback.Machines.Label
namespace OAI
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namespace DFVSGames.Foundations.Complexity.MachineRegularExecutionBounds
open Turing MachineComposition PCP PCP.PreprocessingRegularTables PCP.PreprocessingCloudIndex
open PCP.PreprocessingMachineBounds MachineRegularInternalRow
theorem coreTimeBound_mono (q L R x v i k o m O L' R' x' v' i' k' o' m' O' : Nat)
(hL : L ≤ L') (hR : R ≤ R') (hx : x ≤ x') (hv : v ≤ v') (hi : i ≤ i')
(hk : k ≤ k') (ho : o ≤ o') (hm : m ≤ m') (hO : O ≤ O') :
coreTimeBound q L R x v i k o m O ≤ coreTimeBound q L' R' x' v' i' k' o' m' O' := by
unfold coreTimeBound
gcongr
noncomputable def corePolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C (5*q+32) * rotorPolynomial q + 10 * Polynomial.X +
2 * (Polynomial.C ExpanderFamily.growth * Polynomial.X) + 13 * Polynomial.X +
5 * Polynomial.X + Polynomial.C (5*q+10) *
(Polynomial.X + Polynomial.C ExpanderFamily.growth * Polynomial.X) +
4 * (Polynomial.C ExpanderFamily.growth * Polynomial.X) +
2 * regularPolynomial + Polynomial.C (8*q+41066)
theorem corePolynomial_eval (q L : Nat) :
(corePolynomial q).eval L =
coreTimeBound q L ((rotorPolynomial q).eval L)
(ExpanderFamily.growth*L) L (ExpanderFamily.growth*L) L
(ExpanderFamily.growth*L) L (regularPolynomial.eval L) := by
simp only [corePolynomial, coreTimeBound, Polynomial.eval_add, Polynomial.eval_mul,
Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_ofNat]
omega
theorem internal_steps_le (q : Nat) (positive : 0 < q) (t : GraphTables.Table)
(tables : ∀ v, ExpanderTables.Table (cloudSize t v + padding t v) q)
(v : Fin t.vertices) (x : PaddedCloud t (padding t) v) (p : Fin q)
(outputLength : Nat) (houtput : outputLength ≤ regularPolynomial.eval (inputLength t)) :
coreSteps t (padding t) tables v x p outputLength ≤
(corePolynomial q).eval (inputLength t) := by
have hx : (vertexOrder t (padding t) x.val).val ≤ ExpanderFamily.growth * inputLength t :=
(vertexOrder t (padding t) x.val).isLt.le.trans (regularVertices_le_input t)
have hi : (paddedCloudRank t (padding t) v x).val ≤ ExpanderFamily.growth * inputLength t :=
(paddedCloudRank t (padding t) v x).isLt.le.trans (cloudTotal_le_input t v)
have hv : v.val ≤ inputLength t :=
v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
have hm : t.darts ≤ inputLength t := GraphTables.darts_le_tableBits_length t
rw [corePolynomial_eval]
exact (coreSteps_le q positive t (padding t) tables v x p outputLength).trans
(coreTimeBound_mono q _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ le_rfl
(cloudRotorBits_le t v (tables v)) hx hv hi (cloudSize_le_input t v)
(prefix_le_input t v.val) hm houtput)
noncomputable def familyPolynomial : Polynomial Nat :=
MachinePaddedExpanderFamilyBounds.timePolynomial.comp (Polynomial.X + 1) +
Polynomial.C (2 * ExpanderFamily.growth) * (Polynomial.X + 1) + 7
theorem family_budget_le (t : GraphTables.Table) (v : Fin t.vertices) :
MachinePaddedExpanderFamilyBounds.timePolynomial.eval (cloudSize t v + 1) +
2 * ExpanderFamily.growth * (cloudSize t v + 1) + 7 ≤
familyPolynomial.eval (inputLength t) := by
have h := Nat.add_le_add_right (cloudSize_le_input t v) 1
have hp := natPolynomial_eval_mono MachinePaddedExpanderFamilyBounds.timePolynomial h
have hm := Nat.mul_le_mul_left (2 * ExpanderFamily.growth) h
simp only [familyPolynomial, Polynomial.eval_add, Polynomial.eval_comp,
Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_one,
Polynomial.eval_ofNat]
omega
noncomputable def rowPolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C ExpanderFamily.growth * Polynomial.X +
(Polynomial.C ExpanderFamily.growth * Polynomial.X) * Polynomial.C (q + 1) + 8192
theorem rowPolynomial_eval (q L : Nat) :
(rowPolynomial q).eval L =
ExpanderFamily.growth * L + (ExpanderFamily.growth * L) * (q + 1) + 8192 := by
simp only [rowPolynomial, Polynomial.eval_add, Polynomial.eval_mul,
Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_ofNat]
theorem actual_row_bound_le (q : Nat) (t : GraphTables.Table) :
vertexCount t (padding t) + vertexCount t (padding t) * (q + 1) + 8192 ≤
(rowPolynomial q).eval (inputLength t) := by
rw [rowPolynomial_eval]
have h := regularVertices_le_input t
exact Nat.add_le_add_right (Nat.add_le_add h (Nat.mul_le_mul_right _ h)) _
noncomputable def blockCorePolynomial (q : Nat) : Polynomial Nat :=
corePolynomial q + Polynomial.C (2*q) * rowPolynomial q
theorem coreTimeBound_add_output (q L R x v i k o m O A : Nat) :
coreTimeBound q L R x v i k o m (O + A) =
coreTimeBound q L R x v i k o m O + 2*A := by
unfold coreTimeBound
omega
theorem block_core_bound_le (q : Nat) (t : GraphTables.Table)
(tables : ∀ v, ExpanderTables.Table (cloudSize t v + padding t v) q)
(v : Fin t.vertices) (x : PaddedCloud t (padding t) v)
(initialOutput : Nat) (houtput : initialOutput ≤ regularPolynomial.eval (inputLength t)) :
coreTimeBound q (GraphTables.tableBits t).length
(encodeWords (ExpanderTableWords.rotationWords (tables v))).length
(vertexOrder t (padding t) x.val).val v.val (paddedCloudRank t (padding t) v x).val
(cloudSize t v) (PreprocessingPaddingOffsets.offset (padding t) v.val) t.darts
(initialOutput + q *
(vertexCount t (padding t) + vertexCount t (padding t) * (q + 1) + 8192)) ≤
(blockCorePolynomial q).eval (inputLength t) := by
have hx : (vertexOrder t (padding t) x.val).val ≤ ExpanderFamily.growth * inputLength t :=
(vertexOrder t (padding t) x.val).isLt.le.trans (regularVertices_le_input t)
have hi : (paddedCloudRank t (padding t) v x).val ≤ ExpanderFamily.growth * inputLength t :=
(paddedCloudRank t (padding t) v x).isLt.le.trans (cloudTotal_le_input t v)
have hv : v.val ≤ inputLength t :=
v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
have hm : t.darts ≤ inputLength t := GraphTables.darts_le_tableBits_length t
have hr := Nat.mul_le_mul_left q (actual_row_bound_le q t)
have hO := Nat.add_le_add houtput hr
have h := coreTimeBound_mono q (inputLength t) _ _ _ _ _ _ _ _
(inputLength t) _ _ _ _ _ _ _ _ le_rfl
(cloudRotorBits_le t v (tables v)) hx hv hi (cloudSize_le_input t v)
(prefix_le_input t v.val) hm hO
simp only [coreTimeBound_add_output] at h ⊢
rw [← corePolynomial_eval] at h
simpa only [inputLength, blockCorePolynomial, Polynomial.eval_add, Polynomial.eval_mul,
Polynomial.eval_C, Nat.mul_assoc] using h
end DFVSGames.Foundations.Complexity.MachineRegularExecutionBounds
end
section
namespace DFVSGames.Foundations.Complexity.MachineRegularOriginalBodyBounds
open Turing MachineComposition PCP PreprocessingCloudIndex PreprocessingRegularTables
open PreprocessingMachineBounds MachineRegularOriginalBody
noncomputable def wide : Polynomial Nat := Polynomial.C (ExpanderFamily.growth + 1) * Polynomial.X
noncomputable def rowPolynomial (q : Nat) : Polynomial Nat :=
wide + wide * Polynomial.C (q + 1) + 8192
noncomputable def outputPolynomial (q : Nat) : Polynomial Nat :=
wide + Polynomial.C q * rowPolynomial q
noncomputable def corePolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C (5*q+32) * rotorPolynomial q + 10*wide + 2*wide + 13*wide + 5*wide +
Polynomial.C (5*q+10)*(wide+wide) + 4*wide + 2*outputPolynomial q +
Polynomial.C (8*q+41066)
noncomputable def blockPolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C q * corePolynomial q + Polynomial.C (5*q+20)*wide +
2*outputPolynomial q + Polynomial.C (5*q+40995)
noncomputable def cleanupPolynomial (q : Nat) : Polynomial Nat := 6*wide + rotorPolynomial q + 13
noncomputable def timePolynomial : Polynomial Nat :=
MachineRegularMetadata.timePolynomial + MachineRegularExecutionBounds.familyPolynomial +
blockPolynomial internalDegree + cleanupPolynomial internalDegree
def bodySize (t : GraphTables.Table) (output : List Bool) : Nat :=
inputLength t + output.length
theorem blockPolynomial_eval (q L : Nat) :
(blockPolynomial q).eval L =
MachineRegularVertexBlock.originalTimeBound q
((ExpanderFamily.growth+1)*L) ((rotorPolynomial q).eval L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L) := by
simp only [blockPolynomial, corePolynomial, outputPolynomial, rowPolynomial, wide,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat, MachineRegularVertexBlock.originalTimeBound,
MachineRegularVertexBlock.portTimeBound, MachineRegularInternalRow.coreTimeBound,
MachineRegularOriginalClean.timeBound, MachineRegularVertexBlock.rowSizeBound]
ring
theorem originalTimeBound_le (q L R x v i k o m O V W R' : Nat)
(hL : L ≤ W) (hR : R ≤ R') (hx : x ≤ W) (hv : v ≤ W)
(hi : i ≤ W) (hk : k ≤ W) (ho : o ≤ W) (hm : m ≤ W)
(hO : O ≤ W) (hV : V ≤ W) :
MachineRegularVertexBlock.originalTimeBound q L R x v i k o m O V ≤
MachineRegularVertexBlock.originalTimeBound q W R' W W W W W W W W := by
unfold MachineRegularVertexBlock.originalTimeBound MachineRegularVertexBlock.portTimeBound
MachineRegularInternalRow.coreTimeBound MachineRegularOriginalClean.timeBound
MachineRegularVertexBlock.rowSizeBound
gcongr
theorem wide_le (t : GraphTables.Table) (output : List Bool) :
inputLength t ≤ (ExpanderFamily.growth+1)*bodySize t output ∧
ExpanderFamily.growth*inputLength t ≤ (ExpanderFamily.growth+1)*bodySize t output ∧
output.length ≤ (ExpanderFamily.growth+1)*bodySize t output := by
have hN : inputLength t ≤ bodySize t output := Nat.le_add_right _ _
have hO : output.length ≤ bodySize t output := Nat.le_add_left _ _
have hg := Nat.mul_le_mul_left ExpanderFamily.growth hN
rw [Nat.add_mul, Nat.one_mul]
omega
theorem vertexSteps_le (H : PreprocessingRegularTables.BaseTable) (t : GraphTables.Table) (e : Fin t.darts)
(output : List Bool) :
MachineRegularOriginalBody.vertexSteps H t e output ≤
(blockPolynomial internalDegree).eval (bodySize t output) := by
let v := t.rows[e].tail
let W := (ExpanderFamily.growth+1)*bodySize t output
have bounds := wide_le t output
have hx := e.isLt.le.trans (GraphTables.darts_le_tableBits_length t)
have hv := v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
have hk := cloudSize_le_input t v
have hi := (cloudRank t v (MachineRegularMetadata.originalMember t e)).isLt.le.trans hk
have hm := GraphTables.darts_le_tableBits_length t
have ho := prefix_le_input t v.val
have hV := regularVertices_le_input t
have hR := (cloudRotorBits_le t v (familyCloudTable H t v)).trans
(natPolynomial_eval_mono (rotorPolynomial internalDegree)
(Nat.le_add_right (inputLength t) output.length))
have raw := MachineRegularVertexBlock.originalSteps_le internalDegree degree_positive
t (padding t) (familyCloudTable H t) e output.length
have bound := originalTimeBound_le internalDegree _ _ _ _ _ _ _ _ _ _ W _
bounds.1 hR (hx.trans bounds.1) (hv.trans bounds.1) (hi.trans bounds.1)
(hk.trans bounds.1) (ho.trans bounds.2.1) (hm.trans bounds.1) bounds.2.2
(hV.trans bounds.2.1)
rw [blockPolynomial_eval]
exact raw.trans bound
theorem clearSteps_frame (data : Data) :
clearSteps (frame data) 7 = data.owner.length + data.localRank.length +
data.count.length + data.offset.length + data.rotor.length + data.padding.length +
data.level.length + 7 := by
simp [clearSteps, clearMemory, clearTape, frame, MachineRegularMetadata.frame]
omega
theorem cleanupSteps_le (H : PreprocessingRegularTables.BaseTable) (t : GraphTables.Table) (e : Fin t.darts)
(output : List Bool) :
clearSteps (frame (emittedData H t e output)) 7 ≤
(cleanupPolynomial internalDegree).eval (bodySize t output) := by
let v := t.rows[e].tail
have bounds := wide_le t output
have hv := v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
have hk := cloudSize_le_input t v
have hi := (cloudRank t v (MachineRegularMetadata.originalMember t e)).isLt.le.trans hk
have ho := prefix_le_input t v.val
have hp := cloudTotal_le_input t v
have hl := level_le_input t v
have hrotor := PreprocessingFamilyBridge.familyRotor_eq_familyCloudTable H t v
(PreprocessingFamilyBridge.cloudSize_pos_of_dart t e)
change MachineRegularFamily.rotor H (cloudSize t v) = _ at hrotor
have hR := (cloudRotorBits_le t v (familyCloudTable H t v)).trans
(natPolynomial_eval_mono (rotorPolynomial internalDegree)
(Nat.le_add_right (inputLength t) output.length))
rw [← hrotor] at hR
rw [clearSteps_frame]
simp only [emittedData, familyData, metadataData, MachineRegularMetadata.originalData,
MachineRegularMetadata.cloudData, MachineRegularMetadata.prefixData,
MachineRegularMetadata.rankData, MachineRegularMetadata.ownerData, initialData,
encodeWord_length, cleanupPolynomial, wide, Polynomial.eval_add, Polynomial.eval_mul,
Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_ofNat]
change _ ≤ 6*((ExpanderFamily.growth+1)*bodySize t output) +
(rotorPolynomial internalDegree).eval (bodySize t output)+13
change cloudSize t v + MachineCloudPadding.padding (cloudSize t v) ≤ _ at hp
dsimp only [v, bodySize, inputLength] at *
omega
theorem totalSteps_le (H : PreprocessingRegularTables.BaseTable) (t : GraphTables.Table) (e : Fin t.darts)
(output : List Bool) :
totalSteps H t e output ≤ timePolynomial.eval (bodySize t output) := by
have hsize : inputLength t ≤ bodySize t output := Nat.le_add_right _ _
have hm := (MachineRegularMetadata.totalTime_le t e).trans
(natPolynomial_eval_mono MachineRegularMetadata.timePolynomial hsize)
have hf := (familyExecution H t e output).steps_le_m
have hfb := MachineRegularExecutionBounds.family_budget_le t t.rows[e].tail
simp only [MachineRegularFamily.timePolynomial, encodeWord_length,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat] at hf
have hf' := (hf.trans hfb).trans
(natPolynomial_eval_mono MachineRegularExecutionBounds.familyPolynomial hsize)
have hv := vertexSteps_le H t e output
have hc := cleanupSteps_le H t e output
simp only [totalSteps, familySteps, timePolynomial, Polynomial.eval_add]
omega
noncomputable def originalInTime (H : PreprocessingRegularTables.BaseTable) (t : GraphTables.Table) (e : Fin t.darts)
(output : List Bool) :
StateTransition.EvalsToInTime (TM2.step (program H))
(cfg H (some entry) (initialData t e output))
(some (cfg H none (initialData t e (output ++ emittedBits H t e))))
(timePolynomial.eval (bodySize t output)) where
steps := totalSteps H t e output
evals_in_steps := originalTrace H t e output
steps_le_m := totalSteps_le H t e output
end DFVSGames.Foundations.Complexity.MachineRegularOriginalBodyBounds
end
section
namespace DFVSGames.Foundations.Complexity.MachineRegularOwnerBodyBounds
open Turing MachineComposition PCP PreprocessingCloudIndex PreprocessingRegularTables
open PreprocessingMachineBounds PreprocessingRegularLoopWords
def bodySize (t : GraphTables.Table) (output : List Bool) : Nat :=
inputLength t + output.length
noncomputable def wide : Polynomial Nat := Polynomial.C (ExpanderFamily.growth + 1) * Polynomial.X
noncomputable def rowPolynomial (q : Nat) : Polynomial Nat :=
wide + wide * Polynomial.C (q + 1) + 8192
noncomputable def outputPolynomial (q : Nat) : Polynomial Nat :=
wide + regularPolynomial + Polynomial.C q * rowPolynomial q
noncomputable def corePolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C (5*q+32) * rotorPolynomial q + 10*wide + 2*wide + 13*wide + 5*wide +
Polynomial.C (5*q+10)*(wide+wide) + 4*wide + 2*outputPolynomial q +
Polynomial.C (8*q+41066)
noncomputable def blockPolynomial (q : Nat) : Polynomial Nat :=
Polynomial.C q * corePolynomial q + Polynomial.C (5*q+11)*wide +
2*outputPolynomial q + Polynomial.C (5*q+40986)
theorem blockPolynomial_eval (q L : Nat) :
(blockPolynomial q).eval L =
MachineRegularVertexBlock.dummyTimeBound q
((ExpanderFamily.growth+1)*L) ((rotorPolynomial q).eval L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
((ExpanderFamily.growth+1)*L) ((ExpanderFamily.growth+1)*L)
(((ExpanderFamily.growth+1)*L) + regularPolynomial.eval L)
((ExpanderFamily.growth+1)*L) := by
simp only [blockPolynomial, corePolynomial, outputPolynomial, rowPolynomial, wide,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat, MachineRegularVertexBlock.dummyTimeBound,
MachineRegularVertexBlock.portTimeBound, MachineRegularInternalRow.coreTimeBound,
MachineRegularDummyRow.timeBound, MachineRegularVertexBlock.rowSizeBound]
simp only [Nat.add_assoc]
theorem dummyTimeBound_le (q L R x v i k o m O V W R' O' : Nat)
(hL : L ≤ W) (hR : R ≤ R') (hx : x ≤ W) (hv : v ≤ W)
(hi : i ≤ W) (hk : k ≤ W) (ho : o ≤ W) (hm : m ≤ W)
(hO : O ≤ O') (hV : V ≤ W) :
MachineRegularVertexBlock.dummyTimeBound q L R x v i k o m O V ≤
MachineRegularVertexBlock.dummyTimeBound q W R' W W W W W W O' W := by
unfold MachineRegularVertexBlock.dummyTimeBound MachineRegularVertexBlock.portTimeBound
MachineRegularInternalRow.coreTimeBound MachineRegularDummyRow.timeBound
MachineRegularVertexBlock.rowSizeBound
gcongr
theorem wide_le (t : GraphTables.Table) (output : List Bool) :
inputLength t ≤ (ExpanderFamily.growth+1)*bodySize t output ∧
ExpanderFamily.growth*inputLength t ≤ (ExpanderFamily.growth+1)*bodySize t output ∧
output.length ≤ (ExpanderFamily.growth+1)*bodySize t output := by
have hN : inputLength t ≤ bodySize t output := Nat.le_add_right _ _
have hO : output.length ≤ bodySize t output := Nat.le_add_left _ _
have hg := Nat.mul_le_mul_left ExpanderFamily.growth hN
rw [Nat.add_mul, Nat.one_mul]
omega
theorem ownerPrefix_length_le (H : BaseTable) (t : GraphTables.Table)
(v : Fin t.vertices) (n : Nat) :
(blocksPrefix (PreprocessingRegularWords.dummyVertexBits t (padding t)
(familyCloudTable H t) v) n).length ≤ regularPolynomial.eval (inputLength t) := by
have h := PreprocessingRegularBounds.regular_dummyPrefix_le t H v n
simp only [PreprocessingRegularBounds.dummyPrefix, List.length_append] at h
omega
theorem growingOutput_length_le (H : BaseTable) (t : GraphTables.Table)
(v : Fin t.vertices) (n : Nat) (output : List Bool) :
(output ++ blocksPrefix (PreprocessingRegularWords.dummyVertexBits t (padding t)
(familyCloudTable H t) v) n).length ≤
(ExpanderFamily.growth+1)*bodySize t output + regularPolynomial.eval (bodySize t output) := by
have h := (ownerPrefix_length_le H t v n).trans
(natPolynomial_eval_mono regularPolynomial (Nat.le_add_right (inputLength t) output.length))
have hO := (wide_le t output).2.2
rw [List.length_append]
exact Nat.add_le_add hO h
theorem dummySteps_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(j : Fin (padding t v)) (n : Nat) (output : List Bool) :
MachineRegularVertexBlock.dummySteps t (padding t) (familyCloudTable H t) v j
(output ++ blocksPrefix (PreprocessingRegularWords.dummyVertexBits t (padding t)
(familyCloudTable H t) v) n).length ≤
(blockPolynomial internalDegree).eval (bodySize t output) := by
let x := paddedNew t (padding t) v j
let W := (ExpanderFamily.growth+1)*bodySize t output
have bounds := wide_le t output
have hx := (vertexOrder t (padding t) x.val).isLt.le.trans (regularVertices_le_input t)
have hv := v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
have hi := (paddedCloudRank t (padding t) v x).isLt.le.trans (cloudTotal_le_input t v)
have hk := cloudSize_le_input t v
have hm := GraphTables.darts_le_tableBits_length t
have ho := prefix_le_input t v.val
have hV := regularVertices_le_input t
have hR := (cloudRotorBits_le t v (familyCloudTable H t v)).trans
(natPolynomial_eval_mono (rotorPolynomial internalDegree)
(Nat.le_add_right (inputLength t) output.length))
have hO := growingOutput_length_le H t v n output
have raw := MachineRegularVertexBlock.dummySteps_le internalDegree
MachineRegularOriginalBody.degree_positive t (padding t) (familyCloudTable H t) v j
(output ++ blocksPrefix (PreprocessingRegularWords.dummyVertexBits t (padding t)
(familyCloudTable H t) v) n).length
have bound := dummyTimeBound_le internalDegree _ _ _ _ _ _ _ _ _ _ W _ _
bounds.1 hR (hx.trans bounds.2.1) (hv.trans bounds.1) (hi.trans bounds.2.1)
(hk.trans bounds.1) (ho.trans bounds.2.1) (hm.trans bounds.1) hO
(hV.trans bounds.2.1)
rw [blockPolynomial_eval]
exact raw.trans bound
noncomputable def prePolynomial : Polynomial Nat :=
MachineCloudPadding.timePolynomial.comp (2*Polynomial.X+1) + 4*wide + 6
noncomputable def loopPolynomial : Polynomial Nat :=
wide * (blockPolynomial internalDegree + 2)
noncomputable def cleanupPolynomial : Polynomial Nat :=
6*wide + rotorPolynomial internalDegree + 13
noncomputable def timePolynomial : Polynomial Nat :=
prePolynomial + MachineRegularExecutionBounds.familyPolynomial + loopPolynomial +
cleanupPolynomial + 2
theorem preSteps_le (t : GraphTables.Table) (v : Fin t.vertices) (output : List Bool) :
MachineRegularOwnerBody.preSteps t v ≤ prePolynomial.eval (bodySize t output) := by
have bounds := wide_le t output
have hk := cloudSize_le_input t v
have hd := cloudTotal_le_input t v
have hv := v.isLt.le.trans (GraphTables.vertices_le_tableBits_length t)
change v.val ≤ inputLength t at hv
have hN : inputLength t ≤ bodySize t output := Nat.le_add_right _ _
have hinput : MachineCloudPadding.inputLength t v [] ≤ 2*bodySize t output+1 := by
simp only [MachineCloudPadding.inputLength, List.append_nil, encodeWord_length]
change inputLength t + (v.val+1) ≤ _
omega
have hm := (MachineCloudPadding.totalTime_le t v []).trans
(natPolynomial_eval_mono MachineCloudPadding.timePolynomial hinput)
simp only [MachineRegularOwnerBody.preSteps, prePolynomial, wide, Polynomial.eval_add,
Polynomial.eval_mul, Polynomial.eval_comp, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat, Polynomial.eval_one]
omega
theorem loopSteps_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) (n : Nat) (hn : n ≤ padding t v) :
MachineRegularOwnerBody.loopSteps H t v output n hn ≤
n * ((blockPolynomial internalDegree).eval (bodySize t output) + 2) := by
induction n with
| zero => simp only [MachineRegularOwnerBody.loopSteps, Nat.zero_mul, le_refl]
| succ n ih =>
have h : n < padding t v := by omega
have first := ih (by omega)
have second := dummySteps_le H t v ⟨n, h⟩ n output
rw [MachineRegularOwnerBody.loopSteps, Nat.succ_mul]
change MachineRegularOwnerBody.loopSteps H t v output n _ +
(1 + MachineRegularVertexBlock.dummySteps t (padding t) (familyCloudTable H t) v ⟨n, h⟩
(output ++ blocksPrefix (PreprocessingRegularWords.dummyVertexBits t (padding t)
(familyCloudTable H t) v) n).length + 1) ≤ _
omega
theorem allLoopSteps_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) :
MachineRegularOwnerBody.loopSteps H t v output (padding t v) le_rfl ≤
loopPolynomial.eval (bodySize t output) := by
have hd := (cloudTotal_le_input t v).trans (wide_le t output).2.1
have hp : padding t v ≤ (ExpanderFamily.growth+1)*bodySize t output := by omega
have h := (loopSteps_le H t v output (padding t v) le_rfl).trans
(Nat.mul_le_mul_right _ hp)
simpa only [loopPolynomial, wide, Polynomial.eval_add, Polynomial.eval_mul,
Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_ofNat] using h
theorem cleanupSteps_working (data : MachineRegularOwnerBody.Data)
(fuel saved : List Bool) (d : Nat) :
MachineRegularOwnerCleanup.steps (MachineRegularOwnerBody.working data fuel saved) d =
2*(d+1) + data.localRank.length + data.count.length + data.rotor.length +
data.padding.length + data.level.length + fuel.length + 6 := by
change 2*(d+1) + ((data.localRank.length+1) + ((data.count.length+1) +
((data.rotor.length+1) + ((data.padding.length+1) + ((data.level.length+1) +
((fuel.length+1)+0)))))) = _
omega
theorem cleanupCost_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) :
MachineRegularOwnerBody.cleanupCost H t v output ≤
cleanupPolynomial.eval (bodySize t output) := by
have bounds := wide_le t output
have hk := (cloudSize_le_input t v).trans bounds.1
have htotal := (cloudTotal_le_input t v).trans bounds.2.1
have hl := (level_le_input t v).trans bounds.1
have hp : MachineCloudPadding.padding (cloudSize t v) = padding t v := rfl
by_cases hd : padding t v = 0
· rw [MachineRegularOwnerBody.cleanupCost, ite_eq_left hd, cleanupSteps_working]
simp only [MachineRegularOwnerBody.seededData, MachineRegularOwnerBody.metadataData,
MachineRegularMetadata.cloudData, MachineRegularOwnerBody.initialData,
hp, encodeWord_length, List.length_nil, cleanupPolynomial, wide,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat]
omega
· have hpositive : 0 < padding t v := by omega
have hkpos := PreprocessingFamilyBridge.cloudSize_pos_of_dummy t v ⟨0, hpositive⟩
have hrotor := PreprocessingFamilyBridge.familyRotor_eq_familyCloudTable H t v hkpos
change MachineRegularFamily.rotor H (cloudSize t v) = _ at hrotor
have hR := (cloudRotorBits_le t v (familyCloudTable H t v)).trans
(natPolynomial_eval_mono (rotorPolynomial internalDegree)
(Nat.le_add_right (inputLength t) output.length))
rw [← hrotor] at hR
change (MachineRegularFamily.rotor H (cloudSize t v)).length ≤
(rotorPolynomial internalDegree).eval (bodySize t output) at hR
rw [MachineRegularOwnerBody.cleanupCost, ite_eq_right hd,
MachineRegularOwnerBody.loopFrame, cleanupSteps_working]
simp only [MachineRegularOwnerBody.loopData, MachineRegularOwnerBody.vertexData,
MachineRegularOwnerBody.seededData, MachineRegularOwnerBody.metadataData,
MachineRegularMetadata.cloudData, MachineRegularOwnerBody.initialData,
hp, encodeWord_length, Nat.sub_self, cleanupPolynomial, wide,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat]
omega
theorem ownerTime_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) :
MachineRegularOwnerBody.ownerTime H t v output ≤ timePolynomial.eval (bodySize t output) := by
have hp := preSteps_le t v output
have hc := cleanupCost_le H t v output
have hl := allLoopSteps_le H t v output
have hf := (MachineRegularExecutionBounds.family_budget_le t v).trans
(natPolynomial_eval_mono MachineRegularExecutionBounds.familyPolynomial
(Nat.le_add_right (inputLength t) output.length))
have hfamily : MachineRegularFamily.timePolynomial.eval (encodeWord (cloudSize t v)).length ≤
MachineRegularExecutionBounds.familyPolynomial.eval (bodySize t output) := by
simpa only [bodySize, MachineRegularFamily.timePolynomial, encodeWord_length, Polynomial.eval_add,
Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X, Polynomial.eval_ofNat] using hf
simp only [MachineRegularOwnerBody.ownerTime, timePolynomial, Polynomial.eval_add,
Polynomial.eval_ofNat]
split_ifs <;> omega
theorem totalSteps_le (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) :
MachineRegularOwnerBody.totalSteps H t v output ≤ timePolynomial.eval (bodySize t output) :=
(MachineRegularOwnerBody.totalSteps_le H t v output).trans (ownerTime_le H t v output)
noncomputable def ownerInTime (H : BaseTable) (t : GraphTables.Table) (v : Fin t.vertices)
(output : List Bool) :
StateTransition.EvalsToInTime (TM2.step (MachineRegularOwnerBody.program H))
(MachineRegularOwnerBody.cfg H (some MachineRegularOwnerBody.entry)
(MachineRegularOwnerBody.initialData t v output))
(some (MachineRegularOwnerBody.cfg H none
(MachineRegularOwnerBody.finalData H t v output)))
(timePolynomial.eval (bodySize t output)) where
steps := MachineRegularOwnerBody.totalSteps H t v output
evals_in_steps := MachineRegularOwnerBody.ownerTrace H t v output
steps_le_m := totalSteps_le H t v output
end DFVSGames.Foundations.Complexity.MachineRegularOwnerBodyBounds
end
section
namespace DFVSGames.Foundations.Complexity.MachineRegularTable.Top
open Turing MachineComposition PCP PreprocessingRegularTables
open PreprocessingRegularBounds PreprocessingMachineBounds
noncomputable def oldLoopPolynomial : Polynomial Nat :=
Polynomial.X *
(MachineRegularOriginalBodyBounds.timePolynomial.comp
(Polynomial.X + regularPolynomial) + 2)
noncomputable def ownerLoopPolynomial : Polynomial Nat :=
Polynomial.X *
(MachineRegularOwnerBodyBounds.timePolynomial.comp
(Polynomial.X + regularPolynomial) + 2)
noncomputable def timePolynomial : Polynomial Nat :=
Header.timePolynomial internalDegree + oldLoopPolynomial + ownerLoopPolynomial +
4 * Polynomial.X + 12 +
Polynomial.C (7 * (ExpanderFamily.growth * (internalDegree + 4) + 4)) *
(Polynomial.X + 1)
theorem oldElapsed_prefix_le (H : BaseTable) (t : GraphTables.Table) (k : Nat) :
oldElapsed H t (Header.headerBits internalDegree t) k ≤
k * (MachineRegularOriginalBodyBounds.timePolynomial.eval
(inputLength t + regularPolynomial.eval (inputLength t)) + 2) := by
induction k with
| zero => simp [oldElapsed]
| succ k ih =>
simp only [oldElapsed]
split_ifs with hk
· have raw := MachineRegularOriginalBodyBounds.totalSteps_le H t ⟨k, hk⟩
(Header.headerBits internalDegree t ++ oldPrefix H t k)
have hprefix :
(Header.headerBits internalDegree t ++ oldPrefix H t k).length ≤
regularPolynomial.eval (inputLength t) := by
exact regular_originalPrefix_le t H k
have hcall := raw.trans (natPolynomial_eval_mono
MachineRegularOriginalBodyBounds.timePolynomial (Nat.add_le_add_left hprefix _))
rw [Nat.succ_mul]
omega
· rw [Nat.succ_mul]
omega
theorem oldElapsed_le (H : BaseTable) (t : GraphTables.Table) :
oldElapsed H t (Header.headerBits internalDegree t) t.darts ≤
oldLoopPolynomial.eval (inputLength t) := by
have bound := (oldElapsed_prefix_le H t t.darts).trans
(Nat.mul_le_mul_right _ (GraphTables.darts_le_tableBits_length t))
simpa only [oldLoopPolynomial, inputLength, Polynomial.eval_mul, Polynomial.eval_X,
Polynomial.eval_add, Polynomial.eval_comp, Polynomial.eval_ofNat] using bound
theorem ownerElapsed_prefix_le (H : BaseTable) (t : GraphTables.Table) (k : Nat) :
ownerElapsed H t
(Header.headerBits internalDegree t ++ oldPrefix H t t.darts) k ≤
k * (MachineRegularOwnerBodyBounds.timePolynomial.eval
(inputLength t + regularPolynomial.eval (inputLength t)) + 2) := by
induction k with
| zero => simp [ownerElapsed]
| succ k ih =>
simp only [ownerElapsed]
split_ifs with hk
· have raw := MachineRegularOwnerBodyBounds.totalSteps_le H t ⟨k, hk⟩
((Header.headerBits internalDegree t ++ oldPrefix H t t.darts) ++ ownerPrefix H t k)
have hprefix :
((Header.headerBits internalDegree t ++ oldPrefix H t t.darts) ++
ownerPrefix H t k).length ≤ regularPolynomial.eval (inputLength t) := by
rw [owner_output_eq_ownerPrefix]
exact regular_ownerPrefix_le t H k
have hcall := raw.trans (natPolynomial_eval_mono
MachineRegularOwnerBodyBounds.timePolynomial (Nat.add_le_add_left hprefix _))
rw [Nat.succ_mul]
omega
· rw [Nat.succ_mul]
omega
theorem ownerElapsed_le (H : BaseTable) (t : GraphTables.Table) :
ownerElapsed H t
(Header.headerBits internalDegree t ++ oldPrefix H t t.darts) t.vertices ≤
ownerLoopPolynomial.eval (inputLength t) := by
have bound := (ownerElapsed_prefix_le H t t.vertices).trans
(Nat.mul_le_mul_right _ (GraphTables.vertices_le_tableBits_length t))
simpa only [ownerLoopPolynomial, inputLength, Polynomial.eval_mul, Polynomial.eval_X,
Polynomial.eval_add, Polynomial.eval_comp, Polynomial.eval_ofNat] using bound
theorem totalTime_le (H : BaseTable) (t : GraphTables.Table) :
totalTime H t ≤ timePolynomial.eval (inputLength t) := by
have header := Header.totalTime_le internalDegree t []
simp only [List.length_nil, Nat.add_zero] at header
change Header.totalTime internalDegree t [] ≤
(Header.timePolynomial internalDegree).eval (inputLength t) at header
have old := oldElapsed_le H t
have owners := ownerElapsed_le H t
have cleanup := cleanupTime_final_le t (finalOutput H t)
have hm : t.darts ≤ inputLength t := GraphTables.darts_le_tableBits_length t
have hn : t.vertices ≤ inputLength t := GraphTables.vertices_le_tableBits_length t
simp only [totalTime, headerOutput, oldOutput, timePolynomial,
Polynomial.eval_add, Polynomial.eval_mul, Polynomial.eval_C, Polynomial.eval_X,
Polynomial.eval_ofNat, Polynomial.eval_one]
omega
noncomputable def machineInTime (H : BaseTable) (t : GraphTables.Table) :
StateTransition.EvalsToInTime (TM2.step (program H))
(initList (machine H) (GraphTables.tableBits t))
(some ⟨none, readyState H,
Function.update (initList (machine H) (GraphTables.tableBits t)).stk
(coreTape 8) (PortTables.tableBits (regularize H t))⟩)
(timePolynomial.eval (inputLength t)) where
steps := totalTime H t
evals_in_steps := trace H t
steps_le_m := totalTime_le H t
end DFVSGames.Foundations.Complexity.MachineRegularTable.Top
end
section
namespace DFVSGames.Foundations.Complexity.MachineCanonicalOutput
open Turing MachineComposition
structure Program (K Λ σ : Type) where
input : K
output : K
main : Λ
initial : σ
code : Λ → TM2.Stmt (fun _ : K => Bool) Λ σ
section Structural
variable {K Λ Λ' σ : Type} [DecidableEq K]
def extendedLabel (labels : Λ → Λ') (haltTarget : Option Λ') : Option Λ → Option Λ'
| none => haltTarget
| some label => some (labels label)
def extendedCfg (labels : Λ → Λ') (haltTarget : Option Λ') (register : Option Bool)
(cfg : TM2.Cfg (fun _ : K => Bool) Λ σ) :
TM2.Cfg (fun _ : K => Bool) Λ' (σ × Option Bool) :=
⟨extendedLabel labels haltTarget cfg.l, (cfg.var, register), cfg.stk⟩
def extendedStmt (labels : Λ → Λ') (haltTarget : Option Λ') :
TM2.Stmt (fun _ : K => Bool) Λ σ →
TM2.Stmt (fun _ : K => Bool) Λ' (σ × Option Bool)
| .push k f next => .push k (fun state => f state.1)
(extendedStmt labels haltTarget next)
| .peek k f next => .peek k (fun state symbol => (f state.1 symbol, state.2))
(extendedStmt labels haltTarget next)
| .pop k f next => .pop k (fun state symbol => (f state.1 symbol, state.2))
(extendedStmt labels haltTarget next)
| .load f next => .load (fun state => (f state.1, state.2))
(extendedStmt labels haltTarget next)
| .branch test yes no => .branch (fun state => test state.1)
(extendedStmt labels haltTarget yes) (extendedStmt labels haltTarget no)
| .goto label => .goto (fun state => labels (label state.1))
| .halt => match haltTarget with
| none => .halt
| some label => .goto (fun _ => label)
theorem stepAux_extended (labels : Λ → Λ') (haltTarget : Option Λ')
(stmt : TM2.Stmt (fun _ : K => Bool) Λ σ) (state : σ)
(register : Option Bool) (tapes : K → List Bool) :
TM2.stepAux (extendedStmt labels haltTarget stmt) (state, register) tapes =
extendedCfg labels haltTarget register (TM2.stepAux stmt state tapes) := by
induction stmt generalizing state tapes with
| push k f next ih => exact ih state (Function.update tapes k (f state :: tapes k))
| peek k f next ih => exact ih (f state (tapes k).head?) tapes
| pop k f next ih =>
exact ih (f state (tapes k).head?) (Function.update tapes k (tapes k).tail)
| load f next ih => exact ih (f state) tapes
| branch test yes no ihYes ihNo =>
cases h : test state with
| false =>
simpa only [extendedStmt, TM2.stepAux, h, Bool.cond_false] using ihNo state tapes
| true =>
simpa only [extendedStmt, TM2.stepAux, h, Bool.cond_true] using ihYes state tapes
| goto label => rfl
| halt => cases haltTarget <;> rfl
end Structural
section Machine
variable {K Λ σ : Type} [DecidableEq K] [Fintype K] [Fintype Λ] [Fintype σ]
def sourceMachine (P : Program K Λ σ) : FinTM2 where
K := K
k₀ := P.input
k₁ := P.output
Γ _ := Bool
Λ := Λ
main := P.main
σ := σ
initialState := P.initial
m := P.code
abbrev Label (Λ : Type) (chosen : List K) := Λ ⊕ (MachineDrainMany.Label chosen ⊕ Unit)
def cleanupLabel (chosen : List K) : MachineDrainMany.Label chosen → Label Λ chosen :=
fun label => .inr (.inl label)
def resetLabel (chosen : List K) : Label Λ chosen := .inr (.inr ())
def cleanupEntry (chosen : List K) : Option (Label Λ chosen) :=
MachineDrainMany.entry chosen (cleanupLabel chosen) (some (resetLabel chosen))
def completedProgram (P : Program K Λ σ) (chosen : List K) :
Label Λ chosen → TM2.Stmt (fun _ : K => Bool) (Label Λ chosen) (σ × Option Bool)
| .inl label => extendedStmt Sum.inl (cleanupEntry chosen) (P.code label)
| .inr (.inl label) => MachineDrainMany.instruction chosen (cleanupLabel chosen)
(some (resetLabel chosen)) label
| .inr (.inr _) => .load (fun _ => (P.initial, none)) .halt
def completedMachine (P : Program K Λ σ) (chosen : List K) : FinTM2 where
K := K
k₀ := P.input
k₁ := P.output
Γ _ := Bool
Λ := Label Λ chosen
main := .inl P.main
σ := σ × Option Bool
initialState := (P.initial, none)
m := completedProgram P chosen
theorem finiteAlphabet (P : Program K Λ σ) (chosen : List K) :
MachineFiniteAlphabet.FiniteAlphabet (completedMachine P chosen) := by
intro k
exact inferInstanceAs (Finite Bool)
def embeddedCfg (P : Program K Λ σ) (chosen : List K)
(cfg : (sourceMachine P).Cfg) : (completedMachine P chosen).Cfg :=
extendedCfg Sum.inl (cleanupEntry chosen) none cfg
theorem step_simulation (P : Program K Λ σ) (chosen : List K)
(a b : (sourceMachine P).Cfg) (step : (sourceMachine P).step a = some b) :
(completedMachine P chosen).step (embeddedCfg P chosen a) =
some (embeddedCfg P chosen b) := by
cases a with
| mk label state tapes =>
cases label with
| none => simp [FinTM2.step, TM2.step] at step
| some label =>
have hb : TM2.stepAux (P.code label) state tapes = b := Option.some.inj step
rw [← hb]
change some (TM2.stepAux
(extendedStmt Sum.inl (cleanupEntry chosen) (P.code label)) (state, none) tapes) = _
exact congrArg some
(stepAux_extended Sum.inl (cleanupEntry chosen) (P.code label) state none tapes)
@[simp] theorem embedded_init (P : Program K Λ σ) (chosen : List K) (input : List Bool) :
embeddedCfg P chosen (initList (sourceMachine P) input) =
initList (completedMachine P chosen) input := rfl
omit [Fintype K] [Fintype Λ] [Fintype σ] in
theorem finalTapes_eq (P : Program K Λ σ) (chosen : List K)
(complete : ∀ k, k ∈ chosen ↔ k ≠ P.output) (base : K → List Bool) :
MachineDrainMany.finalTapes chosen base =
MachineDrainMany.haltTapes P.output (base P.output) := by
funext k
rw [MachineDrainMany.finalTapes_apply]
by_cases h : k = P.output
· subst k
simp [MachineDrainMany.haltTapes, complete]
· simp [MachineDrainMany.haltTapes, complete, h]
theorem haltList_eq (P : Program K Λ σ) (chosen : List K) (output : List Bool) :
haltList (completedMachine P chosen) output =
⟨none, (P.initial, none), MachineDrainMany.haltTapes P.output output⟩ := by
congr 1
def cleanupExecution (P : Program K Λ σ) (chosen : List K)
(complete : ∀ k, k ∈ chosen ↔ k ≠ P.output) (state : σ)
(register : Option Bool) (base : K → List Bool) :
StateTransition.EvalsToInTime (completedMachine P chosen).step
⟨cleanupEntry chosen, (state, register), base⟩
(some (haltList (completedMachine P chosen) (base P.output)))
(MachineDrainMany.steps chosen base + 1) := by
let after : (completedMachine P chosen).Cfg :=
⟨some (resetLabel chosen), (state, MachineDrainMany.finalRegister chosen register),
MachineDrainMany.finalTapes chosen base⟩
have drains : StateTransition.EvalsToInTime (completedMachine P chosen).step
⟨cleanupEntry chosen, (state, register), base⟩ (some after)
(MachineDrainMany.steps chosen base) := {
steps := MachineDrainMany.steps chosen base
evals_in_steps := MachineDrainMany.trace chosen (cleanupLabel chosen)
(some (resetLabel chosen)) (completedProgram P chosen) (fun _ => rfl) base state register
steps_le_m := le_rfl }
have reset : StateTransition.EvalsToInTime (completedMachine P chosen).step
after (some (haltList (completedMachine P chosen) (base P.output))) 1 := {
steps := 1
evals_in_steps := by
change some (⟨none, (P.initial, none), MachineDrainMany.finalTapes chosen base⟩ :
TM2.Cfg (fun _ : K => Bool) (Label Λ chosen) (σ × Option Bool)) =
some (haltList (completedMachine P chosen) (base P.output))
rw [finalTapes_eq P chosen complete, haltList_eq]
rfl
steps_le_m := le_rfl }
simpa only [Nat.add_comm] using
StateTransition.EvalsToInTime.trans _ (MachineDrainMany.steps chosen base) 1
_ after _ drains reset
def outputsInTime (P : Program K Λ σ) (chosen : List K)
(complete : ∀ k, k ∈ chosen ↔ k ≠ P.output)
(input output : List Bool) (state : σ) (base : K → List Bool) (budget : Nat)
(raw : StateTransition.EvalsToInTime (sourceMachine P).step
(initList (sourceMachine P) input) (some ⟨none, state, base⟩) budget)
(correctOutput : base P.output = output) :
TM2OutputsInTime (completedMachine P chosen) input (some output)
(budget + chosen.length *
(input.length + budget * Runtime.programPushBound (sourceMachine P) + 1) + 1) := by
let lifted := liftExecutionInTime (sourceMachine P).step
(completedMachine P chosen).step (embeddedCfg P chosen) (step_simulation P chosen) raw
have joined := StateTransition.EvalsToInTime.trans _ _ _ _ _ _ lifted
(cleanupExecution P chosen complete state none base)
have stackBound : ∀ k, (base k).length ≤
input.length + budget * Runtime.programPushBound (sourceMachine P) := by
intro k
have h := Runtime.executionSizeBound (sourceMachine P).step
(fun cfg => (cfg.stk k).length) (Runtime.programPushBound (sourceMachine P))
(Runtime.stepStackLength (sourceMachine P) k) raw
exact h.trans (Nat.add_le_add_right (Runtime.initialStackLength (sourceMachine P) input k) _)
have cleanupBound := MachineDrainMany.steps_le_uniform chosen base _ stackBound
rw [embedded_init, correctOutput] at joined
exact { toEvalsTo := joined.toEvalsTo
steps_le_m := joined.steps_le_m.trans (by omega) }
noncomputable def completedTime (P : Program K Λ σ) (chosen : List K)
(rawTime : Polynomial Nat) : Polynomial Nat :=
rawTime + Polynomial.C chosen.length *
(Polynomial.X + rawTime * Polynomial.C (Runtime.programPushBound (sourceMachine P)) + 1) + 1
theorem completedTime_eval (P : Program K Λ σ) (chosen : List K)
(rawTime : Polynomial Nat) (n : Nat) :
(completedTime P chosen rawTime).eval n =
rawTime.eval n + chosen.length *
(n + rawTime.eval n * Runtime.programPushBound (sourceMachine P) + 1) + 1 := by
simp [completedTime]
structure TerminalRun (P : Program K Λ σ) (input output : List Bool) (budget : Nat) where
state : σ
tapes : K → List Bool
execution : StateTransition.EvalsToInTime (sourceMachine P).step
(initList (sourceMachine P) input) (some ⟨none, state, tapes⟩) budget
output_eq : tapes P.output = output
noncomputable def computableInPolyTime {α β : Type}
(P : Program K Λ σ) (chosen : List K)
(complete : ∀ k, k ∈ chosen ↔ k ≠ P.output)
(encodeIn : α → List Bool) (encodeOut : β → List Bool) (f : α → β)
(rawTime : Polynomial Nat)
(run : ∀ a, TerminalRun P (encodeIn a) (encodeOut (f a))
(rawTime.eval (encodeIn a).length)) :
TM2ComputableInPolyTime encodeIn encodeOut f where
tm := completedMachine P chosen
inputAlphabet := Equiv.refl Bool
outputAlphabet := Equiv.refl Bool
time := completedTime P chosen rawTime
outputsFun a := by
have execution : TM2OutputsInTime (completedMachine P chosen) (encodeIn a)
(some (encodeOut (f a))) ((completedTime P chosen rawTime).eval (encodeIn a).length) := by
simpa only [completedTime_eval] using
outputsInTime P chosen complete _ _ (run a).state (run a).tapes _
(run a).execution (run a).output_eq
exact (congrArg₂ (fun input output : List Bool =>
TM2OutputsInTime (completedMachine P chosen) input (some output)
((completedTime P chosen rawTime).eval (encodeIn a).length))
(List.map_id (encodeIn a)) (List.map_id (encodeOut (f a)))).mpr execution
theorem computableInPolyTime_finite_alphabet {α β : Type}
(P : Program K Λ σ) (chosen : List K)
(complete : ∀ k, k ∈ chosen ↔ k ≠ P.output)
(encodeIn : α → List Bool) (encodeOut : β → List Bool) (f : α → β)
(rawTime : Polynomial Nat)
(run : ∀ a, TerminalRun P (encodeIn a) (encodeOut (f a))
(rawTime.eval (encodeIn a).length)) :
MachineFiniteAlphabet.FiniteAlphabet
(computableInPolyTime P chosen complete encodeIn encodeOut f rawTime run).tm :=
finiteAlphabet P chosen
noncomputable def computableInPolyTimeOfEnumeration {α β : Type} {N : Nat}
(P : Program K Λ σ) (enumeration : Fin N ≃ K)
(encodeIn : α → List Bool) (encodeOut : β → List Bool) (f : α → β)
(rawTime : Polynomial Nat)
(run : ∀ a, TerminalRun P (encodeIn a) (encodeOut (f a))
(rawTime.eval (encodeIn a).length)) :
TM2ComputableInPolyTime encodeIn encodeOut f :=
computableInPolyTime P (MachineDrainMany.workTapes enumeration P.output)
(fun k => MachineDrainMany.mem_workTapes enumeration P.output k)
encodeIn encodeOut f rawTime run
end Machine
end DFVSGames.Foundations.Complexity.MachineCanonicalOutput
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end
end OAI