Details

Time bar (total: 3.4s)

sample28.0ms

Algorithm
intervals
Results
8.0ms61×body640valid
5.0ms131×body80valid
4.0ms35×body320valid
3.0ms20×body1280valid
1.0msbody160valid

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

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 10.7b

Counts
2 → 1

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(/ 1.0 (+ x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.5b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite71.0ms

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))
5.0ms
(/ 1.0 (+ x 1.0))
18.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
38.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series457.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(/ 1.0 (- x 1.0))
28.0ms
(/ 1.0 (+ x 1.0))
41.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
361.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify51.0ms

Algorithm
egg-herbie
Counts
126 → 126
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0496865
11681827
25002816

prune230.0ms

Filtered
126 candidates to 92 candidates (73.0%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New1224126
Fresh000
Picked101
Done000
Total1234127

Merged error: 0.2b

Counts
127 → 4

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
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
(* (* (+ x 1.0) x) (- x 1.0))
17.5b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite61.0ms

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:
9.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
23.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
10.0ms
(* (* (+ x 1.0) x) (- x 1.0))
11.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series221.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0))
86.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
95.0ms
(* (* (+ 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))

simplify57.0ms

Algorithm
egg-herbie
Counts
156 → 156
Iterations

Useful iterations: 1 (33.0ms)

IterNodesCost
010372507
150012360

prune447.0ms

Filtered
156 candidates to 121 candidates (77.6%)
Pruning

4 alts after pruning (4 fresh and 0 done)

PrunedKeptTotal
New1533156
Fresh213
Picked101
Done000
Total1564160

Merged error: 0.2b

Counts
160 → 4

localize9.0ms

Local error

Found 3 expressions with local error:

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

rewrite30.0ms

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:
6.0ms
(* (+ x 1.0) x)
10.0ms
(* (* (+ x 1.0) x) (- x 1.0))
11.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series224.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(* (+ x 1.0) x)
92.0ms
(* (* (+ x 1.0) x) (- x 1.0))
87.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

simplify61.0ms

Algorithm
egg-herbie
Counts
93 → 93
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
0430600
12219516
25002515

prune139.0ms

Filtered
93 candidates to 62 candidates (66.7%)
Pruning

5 alts after pruning (5 fresh and 0 done)

PrunedKeptTotal
New89493
Fresh213
Picked101
Done000
Total92597

Merged error: 0b

Counts
97 → 5

localize6.0ms

Local error

Found 3 expressions with local error:

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

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
66×times-frac
51×add-sqr-sqrt *-un-lft-identity
29×add-cube-cbrt
19×add-exp-log add-cbrt-cube
16×associate-*l/ associate-/r/
12×associate-/l*
10×distribute-lft-out-- difference-of-squares
flip3-+ flip-+ div-inv
cbrt-undiv div-exp
associate-/r*
pow1
associate-*l*
associate-*r* prod-exp cbrt-unprod add-log-exp
frac-2neg clear-num
flip3-- pow-prod-down *-commutative flip-- associate-/l/ distribute-lft-out unswap-sqr
Counts
3 → 122
Calls
3 calls:
6.0ms
(* (+ x 1.0) x)
12.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
7.0ms
(/ 2.0 (* (+ x 1.0) x))

series167.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(* (+ x 1.0) x)
85.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
37.0ms
(/ 2.0 (* (+ x 1.0) x))

simplify70.0ms

Algorithm
egg-herbie
Counts
131 → 131
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
05601012
12547928
25001928

prune186.0ms

Filtered
131 candidates to 95 candidates (72.5%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New1301131
Fresh134
Picked011
Done000
Total1315136

Merged error: 0b

Counts
136 → 5

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
0105
1105

end0.0ms

sample761.0ms

Algorithm
intervals
Results
271.0ms1880×body640valid
154.0ms4168×body80valid
98.0ms570×body1280valid
94.0ms909×body320valid
35.0ms474×body160valid