Details

Time bar (total: 3.5s)

sample23.0ms

Algorithm
intervals
Results
7.0ms65×body640valid
4.0ms134×body80valid
2.0ms32×body320valid
2.0ms18×body1280valid
0.0msbody160valid

simplify18.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0187
1317
2437
3577
4737
5927
61267
71587
82077
92097
102097

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.8b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
0.0b
(/ 1.0 (+ x 1.0))
2.0b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite233.0ms

Algorithm
rewrite-expression-head
Rules
83×*-un-lft-identity
47×times-frac
43×add-sqr-sqrt
23×add-cube-cbrt
14×distribute-lft-out--
13×distribute-lft-out
11×add-log-exp
associate-/r*
add-exp-log add-cbrt-cube difference-of-squares
associate-/l*
pow1 associate-/r/
flip3-- frac-add flip--
cbrt-undiv sub-neg associate-+l+ frac-2neg flip3-+ diff-log div-exp clear-num sum-log frac-sub flip-+ div-inv
+-commutative associate-+l-
Counts
4 → 114
Calls
4 calls:
5.0ms
(/ 1.0 (- x 1.0))
37.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
5.0ms
(/ 1.0 (+ x 1.0))
182.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series312.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(/ 1.0 (- x 1.0))
45.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
25.0ms
(/ 1.0 (+ x 1.0))
214.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify52.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0496865
11681827
25002816

prune255.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
0.0b
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
15.5b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
90×associate-*l/
36×flip3-- flip--
32×frac-add
28×frac-times
24×flip3-+ flip-+
20×add-exp-log add-cbrt-cube
18×associate-/l/
15×add-sqr-sqrt
14×associate-*r/
13×*-un-lft-identity
11×pow1
10×associate-*r*
add-cube-cbrt
associate-/r/
prod-exp cbrt-unprod
distribute-rgt-in sub-neg distribute-lft-in add-log-exp
associate-+l+ associate-*l* pow-prod-down
cbrt-undiv times-frac div-exp associate-/l*
*-commutative distribute-lft-out-- difference-of-squares
+-commutative frac-2neg clear-num associate-/r* sum-log div-inv unswap-sqr
Counts
4 → 144
Calls
4 calls:
37.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
16.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
22.0ms
(* (* (+ x 1.0) x) (- x 1.0))
10.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series229.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
38.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
100.0ms
(* (* (+ x 1.0) x) (- x 1.0))
1.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

simplify52.0ms

Algorithm
egg-herbie
Counts
156 → 156
Iterations

Useful iterations: 1 (29.0ms)

IterNodesCost
010372507
150012360

prune499.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.2b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
0.2b
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
19×add-exp-log add-cbrt-cube
18×associate-*l/
12×add-sqr-sqrt *-un-lft-identity
10×pow1
frac-times add-cube-cbrt associate-*r* associate-/r/
flip3-+ prod-exp cbrt-unprod flip-+
flip3-- flip--
associate-*l*
associate-*r/ pow-prod-down
cbrt-undiv times-frac div-exp associate-/l* add-log-exp
distribute-rgt-in sub-neg distribute-lft-in *-commutative
frac-2neg clear-num associate-/r* div-inv distribute-lft-out distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 84
Calls
3 calls:
9.0ms
(* (+ x 1.0) x)
19.0ms
(* (* (+ x 1.0) x) (- x 1.0))
20.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series231.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(* (+ x 1.0) x)
95.0ms
(* (* (+ x 1.0) x) (- x 1.0))
88.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify63.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 2 (55.0ms)

IterNodesCost
0430600
12219516
25002515

prune164.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 2.0 (- x 1.0))
0.0b
(* (+ x 1.0) x)
0.1b
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
0.6b
(/ 1 (* (+ x 1.0) x))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
64×add-exp-log
50×add-sqr-sqrt
45×*-un-lft-identity
37×times-frac
34×add-cbrt-cube
29×add-cube-cbrt
24×associate-*r* prod-exp
20×div-exp
13×associate-*l*
11×pow1
10×cbrt-undiv cbrt-unprod
associate-/r/
associate-*l/ distribute-lft-out-- difference-of-squares
rec-exp 1-exp associate-/r* associate-/l*
div-inv add-log-exp
flip3-+ pow-prod-down flip-+ unswap-sqr
flip3-- pow-flip frac-2neg clear-num *-commutative flip--
frac-times associate-*r/ distribute-lft-out inv-pow
Counts
4 → 152
Calls
4 calls:
5.0ms
(/ 2.0 (- x 1.0))
9.0ms
(* (+ x 1.0) x)
44.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
8.0ms
(/ 1 (* (+ x 1.0) x))

series205.0ms

Counts
4 → 12
Calls
4 calls:
35.0ms
(/ 2.0 (- x 1.0))
42.0ms
(* (+ x 1.0) x)
92.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
36.0ms
(/ 1 (* (+ x 1.0) x))

simplify88.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (76.0ms)

IterNodesCost
06461005
13429855
25002847

prune254.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes16.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0156
1156

end0.0ms

sample572.0ms

Algorithm
intervals
Results
195.0ms1894×body640valid
113.0ms4186×body80valid
77.0ms903×body320valid
76.0ms547×body1280valid
24.0ms470×body160valid