Details

Time bar (total: 15.1s)

sample28.0ms

Algorithm
intervals
Results
11.0ms280×body80valid
0.0msbody160valid

simplify816.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11811
23311
35811
410111
513211
615911
718111
822411
928111
1031311
1135511
1239011
1340211
done40211

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.6b

localize28.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) (- z a)))
0.0b
(* y (- z t))
12.2b
(/ (* y (- z t)) (- z a))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 times-frac associate-*r* associate-/r* add-log-exp
associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 67
Calls
3 calls:
30.0ms
(+ x (/ (* y (- z t)) (- z a)))
44.0ms
(* y (- z t))
47.0ms
(/ (* y (- z t)) (- z a))

series315.0ms

Counts
3 → 9
Calls
3 calls:
136.0ms
(+ x (/ (* y (- z t)) (- z a)))
60.0ms
(* y (- z t))
119.0ms
(/ (* y (- z t)) (- z a))

simplify3.6s

Counts
76 → 76
Iterations

Useful iterations: 2 (212.0ms)

IterNodesCost
0128846
1337793
21076715
34839715
done5000715

prune303.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) (- z a))))
0.0b
(/ (- z t) (- z a))
2.1b
(* y (/ (- z t) (- z a)))

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l* add-log-exp
associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 113
Calls
3 calls:
17.0ms
(+ x (* y (/ (- z t) (- z a))))
45.0ms
(/ (- z t) (- z a))
68.0ms
(* y (/ (- z t) (- z a)))

series320.0ms

Counts
3 → 9
Calls
3 calls:
136.0ms
(+ x (* y (/ (- z t) (- z a))))
89.0ms
(/ (- z t) (- z a))
95.0ms
(* y (/ (- z t) (- z a)))

simplify2.2s

Counts
122 → 122
Iterations

Useful iterations: 2 (245.0ms)

IterNodesCost
01621555
14191454
211761368
337101368
done50011368

prune304.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
5.2b
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

rewrite212.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
60×*-un-lft-identity
50×times-frac
46×associate-*r*
42×cbrt-prod
28×add-cube-cbrt
25×add-exp-log
20×cbrt-div
18×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
15×associate-*l*
10×flip3-- associate-/r/ flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 unswap-sqr
frac-times
add-log-exp
pow1/3 associate-*r/ associate-*l/
div-inv
pow-prod-down *-commutative
Counts
4 → 136
Calls
4 calls:
7.0ms
(cbrt (- z a))
7.0ms
(cbrt (- z a))
7.0ms
(cbrt (- z a))
175.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

series768.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(cbrt (- z a))
178.0ms
(cbrt (- z a))
213.0ms
(cbrt (- z a))
187.0ms
(* (/ y (* (cbrt (- z a)) (cbrt (- z a)))) (/ (- z t) (cbrt (- z a))))

simplify1.7s

Counts
148 → 148
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02232832
16242712
223902339
done50002207

prune714.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize30.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- z a))
0.0b
(+ x (pow (* (- z t) (/ y (- z a))) 1))
9.0b
(* (- z t) (/ y (- z a)))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
41×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-*l* associate-/r* add-log-exp
flip3-- associate-/r/ flip--
associate-/l*
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative frac-2neg flip3-+ associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+ distribute-lft-out
Counts
3 → 95
Calls
3 calls:
28.0ms
(/ y (- z a))
12.0ms
(+ x (pow (* (- z t) (/ y (- z a))) 1))
56.0ms
(* (- z t) (/ y (- z a)))

series254.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ y (- z a))
129.0ms
(+ x (pow (* (- z t) (/ y (- z a))) 1))
79.0ms
(* (- z t) (/ y (- z a)))

simplify1.2s

Counts
104 → 104
Iterations

Useful iterations: 2 (201.0ms)

IterNodesCost
01571262
13701141
213701063
done50001063

prune361.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes156.0ms

Accuracy

15.9% (1.2b remaining)

Error of 1.3b against oracle of 0.0b and baseline of 1.5b

bsearch110.0ms

Steps
ItersRangePoint
9
1.244754775604451e-168
1.1967843400343603e-160
9.403031276241487e-164
7
-5.825291196675339e-101
-4.3305558754680174e-103
-6.9640366385812096e-102

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02252
12942
done2942

end0.0ms

sample1.1s

Algorithm
intervals
Results
555.0ms8725×body80valid
0.0msbody2560valid
0.0msbody640valid
0.0msbody160valid