Details

Time bar (total: 30.1s)

sample70.0ms

Algorithm
intervals
Results
31.0ms246×body80valid
5.0ms12×body1280valid
5.0ms15×body640valid
2.0ms10×body320valid
2.0ms10×body160valid

simplify15.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12013
24513
311113
428813
563313
6118913
7204813
8287213
9339613
10362913
11389913
12418913
done500113

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.7b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.2b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.0b
(/ (* (- y x) (- z t)) (- a t))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
55.0ms
(* (- y x) (- z t))
47.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
62.0ms
(/ (* (- y x) (- z t)) (- a t))

series492.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(* (- y x) (- z t))
262.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
174.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.2s

Counts
90 → 90
Iterations

Useful iterations: 2 (369.0ms)

IterNodesCost
01621284
14681213
219911111
done50001111

prune327.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.2b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.6b
(* (- y x) (/ (- z t) (- a t)))
2.2b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite156.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ 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 → 119
Calls
3 calls:
40.0ms
(/ (- z t) (- a t))
98.0ms
(* (- y x) (/ (- z t) (- a t)))
12.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series405.0ms

Counts
3 → 9
Calls
3 calls:
54.0ms
(/ (- z t) (- a t))
131.0ms
(* (- y x) (/ (- z t) (- a t)))
219.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify788.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (225.0ms)

IterNodesCost
01831813
14721704
217481606
done50011606

prune361.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.2b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.6b
(/ (- y x) (/ (- a t) (- z t)))
2.2b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite199.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-exp-log add-cbrt-cube associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
25.0ms
(/ (- a t) (- z t))
37.0ms
(/ (- y x) (/ (- a t) (- z t)))
120.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series585.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- a t) (- z t))
295.0ms
(/ (- y x) (/ (- a t) (- z t)))
218.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify1.9s

Counts
283 → 283
Iterations

Useful iterations: 2 (1.0s)

IterNodesCost
03545984
110105625
236495487
done50015487

prune674.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 4.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.4b
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
1.6b
(/ (/ (- a t) (- z t)) (- y x))
3.1b
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

rewrite556.0ms

Algorithm
rewrite-expression-head
Rules
1933×times-frac
1483×*-un-lft-identity
1480×add-sqr-sqrt
624×add-cube-cbrt
428×distribute-lft-out-- difference-of-squares
171×associate-/r*
65×associate-/r/
39×associate-/l*
34×div-inv
33×flip3-- flip--
32×add-exp-log
20×add-cbrt-cube
19×div-exp
10×cbrt-undiv
add-log-exp
pow1
rec-exp frac-2neg 1-exp div-sub clear-num associate-/l/
distribute-lft-out
+-commutative pow-flip flip3-+ sum-log flip-+ inv-pow
Counts
4 → 946
Calls
4 calls:
46.0ms
(/ (- a t) (- z t))
92.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
53.0ms
(/ (/ (- a t) (- z t)) (- y x))
225.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

series915.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(/ (- a t) (- z t))
397.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
184.0ms
(/ (/ (- a t) (- z t)) (- y x))
264.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

simplify2.0s

Counts
958 → 958
Iterations

Useful iterations: done (2.0s)

IterNodesCost
092825047
1227122294
done500020384

prune1.8s

Pruning

14 alts after pruning (11 fresh and 3 done)

Merged error: 4.0b

regimes471.0ms

Accuracy

13.8% (6.7b remaining)

Error of 10.9b against oracle of 4.1b and baseline of 11.9b

bsearch92.0ms

Steps
ItersRangePoint
8
1.3793369693960326e-72
5.420309125457467e-70
1.4749780862081662e-72
3
-1.350252423850461e-228
-1.1088529455719019e-228
-1.2641226895694537e-228

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02647
13247
done3247

end0.0ms

sample1.4s

Algorithm
intervals
Results
610.0ms7755×body80valid
122.0ms423×body320valid
107.0ms288×body1280valid
100.0ms477×body640valid
29.0ms272×body160valid
4.0ms13×body2560valid