Details

Time bar (total: 4.9s)

sample26.0ms

Algorithm
intervals
Results
7.0ms260×body80valid
1.0ms14×body640valid
1.0ms10×body320valid
1.0msbody1280valid
0.0msbody160valid

simplify60.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1456
21116
32886
47146
514936
633936
750026

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.2b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.0b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.4b
(/ (* (- y x) (- z t)) (- a t))

rewrite82.0ms

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:
34.0ms
(* (- y x) (- z t))
19.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
27.0ms
(/ (* (- y x) (- z t)) (- a t))

series276.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(* (- y x) (- z t))
147.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
97.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify54.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0468583
12162534
25003534

prune244.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.3b
(* (- y x) (/ (- z t) (- a t)))
3.0b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite87.0ms

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:
20.0ms
(/ (- z t) (- a t))
54.0ms
(* (- y x) (/ (- z t) (- a t)))
7.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series287.0ms

Counts
3 → 9
Calls
3 calls:
42.0ms
(/ (- z t) (- a t))
100.0ms
(* (- y x) (/ (- z t) (- a t)))
145.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify59.0ms

Algorithm
egg-herbie
Counts
128 → 128
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0476869
12018820
25001820

prune277.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
2.3b
(* (- y x) (* (- z t) (/ 1 (- a t))))
3.7b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
11.0ms
(/ 1 (- a t))
42.0ms
(* (- z t) (/ 1 (- a t)))
64.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
9.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series326.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ 1 (- a t))
42.0ms
(* (- z t) (/ 1 (- a t)))
99.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
150.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify75.0ms

Algorithm
egg-herbie
Counts
158 → 158
Iterations

Useful iterations: 2 (64.0ms)

IterNodesCost
05861027
12802910
25003865

prune337.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- z t))
0.6b
(cbrt (- z t))
2.3b
(* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))))
6.9b
(+ x (* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t)))))

rewrite249.0ms

Algorithm
rewrite-expression-head
Rules
82×frac-times
76×cbrt-div
56×flip3-- flip--
38×associate-*l/
32×associate-*r/
22×add-exp-log
16×add-cbrt-cube
13×pow1 add-sqr-sqrt *-un-lft-identity
11×prod-exp cbrt-unprod
10×cbrt-prod
add-cube-cbrt
pow-prod-down add-log-exp
associate-*l*
distribute-lft-out-- difference-of-squares
cbrt-undiv pow1/3 div-exp
+-commutative flip3-+ associate-*r* sum-log *-commutative flip-+
Counts
4 → 121
Calls
4 calls:
4.0ms
(cbrt (- z t))
4.0ms
(cbrt (- z t))
215.0ms
(* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))))
20.0ms
(+ x (* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t)))))

series719.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(cbrt (- z t))
136.0ms
(cbrt (- z t))
303.0ms
(* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t))))
140.0ms
(+ x (* (- y x) (* (* (cbrt (- z t)) (cbrt (- z t))) (/ (cbrt (- z t)) (- a t)))))

simplify96.0ms

Algorithm
egg-herbie
Counts
133 → 133
Iterations

Useful iterations: 2 (73.0ms)

IterNodesCost
07752047
128821874
250011853

prune398.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 4.0b

regimes258.0ms

Accuracy

13.6% (6.6b remaining)

Error of 10.7b against oracle of 4.1b and baseline of 11.7b

bsearch86.0ms

Steps
ItersRangePoint
9
7.576911721620079e-263
3.1445148399796725e-255
1.7696393260069873e-255
8
-1.255868730469884e-255
-2.1858701083154153e-260
-6.169776304608412e-256

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03819
13819

end0.0ms

sample763.0ms

Algorithm
intervals
Results
245.0ms7822×body80valid
50.0ms474×body640valid
35.0ms268×body1280valid
33.0ms405×body320valid
15.0ms278×body160valid
2.0ms15×body2560valid