Details

Time bar (total: 3.5s)

sample22.0ms

Algorithm
intervals
Results
6.0ms59×body640valid
3.0ms133×body80valid
3.0ms36×body320valid
2.0ms15×body1280valid
1.0ms13×body160valid

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: 7.2b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.2b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite333.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
35×times-frac
33×add-sqr-sqrt
14×distribute-lft-out--
13×add-cube-cbrt
10×add-log-exp
distribute-lft-out
difference-of-squares
add-exp-log associate-/r* add-cbrt-cube
pow1 flip3-- frac-add flip-- associate-/l*
sub-neg associate-+l+ diff-log sum-log associate-/r/ frac-sub
cbrt-undiv +-commutative associate-+l- frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
3 → 81
Calls
3 calls:
10.0ms
(/ 1.0 (- x 1.0))
57.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
261.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series261.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(/ 1.0 (- x 1.0))
38.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
196.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify42.0ms

Algorithm
egg-herbie
Counts
90 → 90
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
0421692
11417662
25002653

prune166.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize13.0ms

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))
0.0b
(* (* (+ x 1.0) x) (- x 1.0))
19.3b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
88×associate-*l/
32×frac-add
31×flip3-- flip--
24×frac-times flip3-+ flip-+
18×add-exp-log add-cbrt-cube associate-/l/
12×associate-*r/
pow1 add-sqr-sqrt *-un-lft-identity
associate-/r/ add-log-exp
add-cube-cbrt
prod-exp cbrt-unprod
sub-neg associate-*r*
distribute-rgt-in associate-+l+ distribute-lft-in
cbrt-undiv times-frac div-exp pow-prod-down associate-/l*
+-commutative frac-2neg diff-log associate-*l* clear-num associate-/r* sum-log *-commutative div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 124
Calls
4 calls:
90.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
7.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
42.0ms
(* (* (+ x 1.0) x) (- x 1.0))
29.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series202.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
34.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
86.0ms
(* (* (+ 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))

simplify44.0ms

Algorithm
egg-herbie
Counts
136 → 136
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
09972264
150012129

prune411.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 3 expressions with local error:

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

rewrite99.0ms

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:
20.0ms
(* (+ x 1.0) x)
43.0ms
(* (* (+ x 1.0) x) (- x 1.0))
33.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series212.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(* (+ x 1.0) x)
89.0ms
(* (* (+ x 1.0) x) (- x 1.0))
83.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify59.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
0430600
12219516
25002515

prune152.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(/ 2.0 (- x 1.0))
0.0b
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
0.2b
(/ 1 (* (+ x 1.0) x))

rewrite133.0ms

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:
20.0ms
(* (+ x 1.0) x)
10.0ms
(/ 2.0 (- x 1.0))
80.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
17.0ms
(/ 1 (* (+ x 1.0) x))

series181.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (+ x 1.0) x)
30.0ms
(/ 2.0 (- x 1.0))
83.0ms
(* (/ 1 (* (+ x 1.0) x)) (/ 2.0 (- x 1.0)))
29.0ms
(/ 1 (* (+ x 1.0) x))

simplify86.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (75.0ms)

IterNodesCost
06461005
13429855
25002847

prune249.0ms

Pruning

4 alts after pruning (2 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

sample589.0ms

Algorithm
intervals
Results
187.0ms1840×body640valid
111.0ms4166×body80valid
75.0ms927×body320valid
75.0ms600×body1280valid
23.0ms468×body160valid