Details

Time bar (total: 20.6s)

sample32.0ms

Algorithm
intervals
Results
12.0ms332×body80valid

simplify5.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
089
1149
2289
3489
4799
51209
61379
71469
81639
92119
102879
113279
123719
133899
144769
155679
168169
1711459
1815699
1916529
2016549
done16549

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.1b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) z)
0.0b
(+ x (/ (* (- y x) z) t))
7.4b
(/ (* (- y x) z) t)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*l* add-log-exp
associate-*l/
times-frac associate-*r* associate-/r*
cbrt-undiv flip3-- div-exp prod-exp flip-- cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 57
Calls
3 calls:
30.0ms
(* (- y x) z)
10.0ms
(+ x (/ (* (- y x) z) t))
18.0ms
(/ (* (- y x) z) t)

series153.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(* (- y x) z)
49.0ms
(+ x (/ (* (- y x) z) t))
61.0ms
(/ (* (- y x) z) t)

simplify4.0s

Counts
66 → 66
Iterations

Useful iterations: 2 (186.0ms)

IterNodesCost
0110688
1283653
2993559
34871559
done5000559

prune236.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (/ (- y x) (/ t z)))
5.5b
(/ (- y x) (/ t z))

rewrite81.0ms

Algorithm
rewrite-expression-head
Rules
119×times-frac
88×*-un-lft-identity
86×add-sqr-sqrt
58×add-cube-cbrt
14×distribute-lft-out-- difference-of-squares
13×associate-/r*
add-exp-log add-cbrt-cube div-inv
associate-/l*
add-log-exp
cbrt-undiv div-exp
pow1 div-sub associate-/l/
+-commutative associate-+r- flip3-- frac-2neg flip3-+ clear-num sum-log associate-/r/ flip-- flip-+ distribute-lft-out
Counts
2 → 114
Calls
2 calls:
51.0ms
(+ x (/ (- y x) (/ t z)))
24.0ms
(/ (- y x) (/ t z))

series119.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(+ x (/ (- y x) (/ t z)))
72.0ms
(/ (- y x) (/ t z))

simplify1.5s

Counts
120 → 120
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02171896
15941770
218471680
done50011678

prune373.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (/ z t) (- y x)))
5.6b
(* (/ z t) (- y x))

rewrite84.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*l*
12×*-un-lft-identity
10×add-cube-cbrt times-frac
add-exp-log add-cbrt-cube
associate-*r*
pow1 distribute-rgt-in sub-neg associate-+r+ distribute-lft-in add-log-exp
frac-times flip3-- associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 57
Calls
2 calls:
21.0ms
(+ x (* (/ z t) (- y x)))
59.0ms
(* (/ z t) (- y x))

series167.0ms

Counts
2 → 6
Calls
2 calls:
68.0ms
(+ x (* (/ z t) (- y x)))
98.0ms
(* (/ z t) (- y x))

simplify3.3s

Counts
63 → 63
Iterations

Useful iterations: 2 (201.0ms)

IterNodesCost
0120723
1314691
21007619
33939619
done5000619

prune200.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt z)
0.5b
(cbrt z)
1.9b
(* (/ (cbrt z) t) (- y x))
5.3b
(* (/ (* (cbrt z) (cbrt z)) 1) (* (/ (cbrt z) t) (- y x)))

rewrite196.0ms

Algorithm
rewrite-expression-head
Rules
66×add-exp-log
35×add-cbrt-cube
33×prod-exp
32×add-sqr-sqrt
29×associate-*l*
24×*-un-lft-identity
23×times-frac
22×add-cube-cbrt
20×cbrt-unprod
18×div-exp
16×cbrt-prod
11×pow1 frac-times associate-*r/
10×cbrt-undiv distribute-rgt-in distribute-lft-in
sub-neg flip3-- 1-exp associate-*r* flip--
pow-prod-down associate-*l/ add-log-exp
unswap-sqr
pow1/3 *-commutative div-inv
distribute-lft-out-- difference-of-squares
Counts
4 → 135
Calls
4 calls:
2.0ms
(cbrt z)
2.0ms
(cbrt z)
62.0ms
(* (/ (cbrt z) t) (- y x))
120.0ms
(* (/ (* (cbrt z) (cbrt z)) 1) (* (/ (cbrt z) t) (- y x)))

series982.0ms

Counts
4 → 12
Calls
4 calls:
309.0ms
(cbrt z)
316.0ms
(cbrt z)
228.0ms
(* (/ (cbrt z) t) (- y x))
129.0ms
(* (/ (* (cbrt z) (cbrt z)) 1) (* (/ (cbrt z) t) (- y x)))

simplify2.0s

Counts
147 → 147
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02242272
15952017
222541490
done50021262

prune417.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes159.0ms

Accuracy

55.4% (0.8b remaining)

Error of 0.8b against oracle of 0.0b and baseline of 1.9b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02051
12551
done2551

end0.0ms

sample1.3s

Algorithm
intervals
Results
619.0ms10698×body80valid