Details

Time bar (total: 3.4s)

sample23.0ms

Algorithm
intervals
Results
5.0ms53×body640valid
4.0ms130×body80valid
3.0ms40×body320valid
2.0ms19×body1280valid
1.0ms14×body160valid

simplify17.0ms

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: 11.0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
0.0b
(/ 1.0 (- x 1.0))
2.6b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite352.0ms

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:
61.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
11.0ms
(/ 1.0 (- x 1.0))
277.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series257.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
25.0ms
(/ 1.0 (- x 1.0))
192.0ms
(+ (- (/ 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

prune179.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
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)))
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
14.8b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite184.0ms

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:
8.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
94.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
44.0ms
(* (* (+ x 1.0) x) (- x 1.0))
30.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series196.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
77.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
84.0ms
(* (* (+ 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 (24.0ms)

IterNodesCost
09972264
150012129

prune433.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize6.0ms

Local error

Found 3 expressions with local error:

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

rewrite104.0ms

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))
37.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- x 1.0)))

series200.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* (+ x 1.0) x)
84.0ms
(* (* (+ x 1.0) x) (- x 1.0))
78.0ms
(/ 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

prune165.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

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

rewrite64.0ms

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:
22.0ms
(* (+ x 1.0) x)
26.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
11.0ms
(/ 2.0 (* (+ x 1.0) x))

series155.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(* (+ x 1.0) x)
80.0ms
(/ (/ 2.0 (* (+ x 1.0) x)) (- x 1.0))
31.0ms
(/ 2.0 (* (+ x 1.0) x))

simplify67.0ms

Algorithm
egg-herbie
Counts
131 → 131
Iterations

Useful iterations: 1 (14.0ms)

IterNodesCost
05601012
12547928
25001928

prune242.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

regimes13.0ms

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

sample600.0ms

Algorithm
intervals
Results
186.0ms1887×body640valid
114.0ms4130×body80valid
75.0ms930×body320valid
74.0ms574×body1280valid
24.0ms480×body160valid