Details

Time bar (total: 12.4s)

sample48.0ms

Algorithm
intervals
Results
19.0ms276×body80valid

simplify776.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
12011
23411
35511
49311
513911
616611
718311
820511
923811
1029511
1132711
1237111
1340611
1441811
done41811

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) (- a t))))
0.0b
(/ (- z t) (- a t))
1.5b
(* y (/ (- z t) (- a t)))

rewrite89.0ms

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:
6.0ms
(+ x (* y (/ (- z t) (- a t))))
25.0ms
(/ (- z t) (- a t))
53.0ms
(* y (/ (- z t) (- a t)))

series235.0ms

Counts
3 → 9
Calls
3 calls:
97.0ms
(+ x (* y (/ (- z t) (- a t))))
61.0ms
(/ (- z t) (- a t))
78.0ms
(* y (/ (- z t) (- a t)))

simplify2.3s

Counts
122 → 122
Iterations

Useful iterations: 2 (174.0ms)

IterNodesCost
01621555
14171454
211781368
337041368
done50001368

prune409.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (pow (* (- z t) (/ y (- a t))) 1))
0.0b
(/ y (- a t))
12.4b
(* (- z t) (/ y (- a t)))

rewrite81.0ms

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:
8.0ms
(+ x (pow (* (- z t) (/ y (- a t))) 1))
16.0ms
(/ y (- a t))
53.0ms
(* (- z t) (/ y (- a t)))

series231.0ms

Counts
3 → 9
Calls
3 calls:
108.0ms
(+ x (pow (* (- z t) (/ y (- a t))) 1))
38.0ms
(/ y (- a t))
85.0ms
(* (- z t) (/ y (- a t)))

simplify1.2s

Counts
104 → 104
Iterations

Useful iterations: 2 (168.0ms)

IterNodesCost
01571262
13661141
213581063
done50001063

prune357.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* y (- z t))
0.0b
(+ x (* (* y (- z t)) (/ 1 (- a t))))
0.0b
(/ 1 (- a t))
12.2b
(* (* y (- z t)) (/ 1 (- a t)))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
41×*-un-lft-identity
32×add-exp-log
30×times-frac
26×associate-*r*
25×add-cube-cbrt
20×add-cbrt-cube
13×prod-exp
12×pow1
distribute-lft-out-- difference-of-squares
associate-*r/ cbrt-unprod
div-exp add-log-exp
flip3-- associate-/r* flip--
associate-*l* pow-prod-down associate-/r/
cbrt-undiv rec-exp 1-exp associate-/l*
distribute-rgt-in frac-times sub-neg distribute-lft-in associate-*l/ *-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log un-div-inv flip-+ inv-pow unswap-sqr
Counts
4 → 128
Calls
4 calls:
21.0ms
(* y (- z t))
7.0ms
(+ x (* (* y (- z t)) (/ 1 (- a t))))
14.0ms
(/ 1 (- a t))
91.0ms
(* (* y (- z t)) (/ 1 (- a t)))

series312.0ms

Counts
4 → 12
Calls
4 calls:
66.0ms
(* y (- z t))
116.0ms
(+ x (* (* y (- z t)) (/ 1 (- a t))))
50.0ms
(/ 1 (- a t))
80.0ms
(* (* y (- z t)) (/ 1 (- a t)))

simplify991.0ms

Counts
140 → 140
Iterations

Useful iterations: 2 (253.0ms)

IterNodesCost
01851645
14701351
215271203
done50001203

prune673.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (pow (* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t)))) 1))
0.1b
(/ y (sqrt (- a t)))
0.2b
(/ (- z t) (sqrt (- a t)))
3.6b
(* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t))))

rewrite210.0ms

Algorithm
rewrite-expression-head
Rules
176×add-sqr-sqrt
148×*-un-lft-identity
140×times-frac
96×sqrt-prod
76×add-cube-cbrt
46×associate-*l*
35×distribute-lft-out-- difference-of-squares
30×associate-*r*
20×add-exp-log add-cbrt-cube
16×associate-/r*
unswap-sqr
sqrt-div associate-/r/ associate-/l*
pow1 cbrt-undiv div-exp add-log-exp
flip3-- flip--
prod-exp cbrt-unprod div-inv
frac-2neg clear-num associate-/l/
+-commutative frac-times flip3-+ div-sub associate-*r/ pow-prod-down associate-*l/ sum-log *-commutative flip-+ distribute-lft-out
Counts
4 → 236
Calls
4 calls:
15.0ms
(+ x (pow (* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t)))) 1))
24.0ms
(/ y (sqrt (- a t)))
47.0ms
(/ (- z t) (sqrt (- a t)))
102.0ms
(* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t))))

series483.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(+ x (pow (* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t)))) 1))
100.0ms
(/ y (sqrt (- a t)))
111.0ms
(/ (- z t) (sqrt (- a t)))
136.0ms
(* (/ (- z t) (sqrt (- a t))) (/ y (sqrt (- a t))))

simplify1.5s

Counts
248 → 248
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03124303
18383951
224363529
done50013521

prune796.0ms

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0b

regimes262.0ms

Accuracy

74.9% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 1.3b

bsearch95.0ms

Steps
ItersRangePoint
8
7.53926619058398e-57
3.377665568612396e-52
3.2057391781882634e-56
8
-6.778815163455355e-35
-5.900459728831861e-38
-4.637379201468954e-36

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02143
13133
done3133

end0.0ms

sample1.2s

Algorithm
intervals
Results
536.0ms8723×body80valid
0.0msbody640valid
0.0msbody2560valid
0.0msbody1280valid
0.0msbody160valid