Details

Time bar (total: 13.9s)

sample77.0ms

Algorithm
intervals
Results
32.0ms70×body1280valid
13.0ms54×body640valid
9.0ms202×body80valid
4.0ms28×body320valid
1.0ms11×body160valid

simplify17.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
1106
2136
3156
done156

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 39.0b

localize11.0ms

Local error

Found 1 expressions with local error:

3.1b
(- (exp x) 1.0)

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 14
Calls
1 calls:
23.0ms
(- (exp x) 1.0)

series31.0ms

Counts
1 → 3
Calls
1 calls:
31.0ms
(- (exp x) 1.0)

simplify2.1s

Counts
17 → 17
Iterations

Useful iterations: 3 (133.0ms)

IterNodesCost
039132
183127
2177119
3328117
4668117
51877117
done5000117

prune48.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 1/6 x) 1/2)
0.1b
(* (pow x 2) (+ (* 1/6 x) 1/2))
0.3b
(* 1/6 x)
3.8b
(/ (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x) x)

rewrite129.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
17×add-cube-cbrt *-un-lft-identity
13×add-exp-log
11×associate-*l*
10×add-cbrt-cube
times-frac
pow1 associate-*r* add-log-exp
unswap-sqr
unpow-prod-down prod-exp
flip3-+ associate-/r* flip-+ associate-/l*
associate-*r/ *-commutative cbrt-unprod associate-/l/ unpow2 sqr-pow
cbrt-undiv +-commutative distribute-rgt-in pow-to-exp frac-2neg distribute-lft-in div-exp pow-prod-down pow-exp clear-num sum-log div-inv
Counts
4 → 89
Calls
4 calls:
8.0ms
(+ (* 1/6 x) 1/2)
34.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
11.0ms
(* 1/6 x)
73.0ms
(/ (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x) x)

series232.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(+ (* 1/6 x) 1/2)
89.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
15.0ms
(* 1/6 x)
84.0ms
(/ (+ (* (pow x 2) (+ (* 1/6 x) 1/2)) x) x)

simplify1.6s

Counts
101 → 101
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01471336
13831255
212571136
done50001127

prune367.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (exp x) 1.0)
0.0b
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
3.0b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite301.0ms

Algorithm
rewrite-expression-head
Rules
28×*-un-lft-identity
20×add-sqr-sqrt times-frac
14×add-cube-cbrt
12×difference-of-squares
distribute-lft-out add-log-exp
exp-sum
add-exp-log add-cbrt-cube associate-/l*
associate-/r*
pow1
flip3-- flip3-+ associate-/r/ flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg frac-2neg diff-log div-sub div-exp clear-num sum-log div-inv
Counts
3 → 72
Calls
3 calls:
10.0ms
(+ (exp x) 1.0)
229.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
59.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series83.0ms

Counts
3 → 9
Calls
3 calls:
9.0ms
(+ (exp x) 1.0)
49.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
25.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.7s

Counts
81 → 81
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01311338
13191293
29511179
331521035
done50001035

prune235.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (exp (+ x x)) (* 1.0 1.0)) (/ 1 (+ (exp x) 1.0)))
0.0b
(+ (exp x) 1.0)
0.0b
(/ 1 (+ (exp x) 1.0))
3.0b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite373.0ms

Algorithm
rewrite-expression-head
Rules
39×*-un-lft-identity
31×add-sqr-sqrt
26×times-frac
22×add-cube-cbrt
18×associate-*r*
17×add-exp-log
11×add-cbrt-cube
distribute-lft-out add-log-exp
pow1
associate-*l*
div-exp prod-exp associate-/r* associate-/r/ difference-of-squares
flip3-- flip3-+ flip-- flip-+ associate-/l* unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp exp-sum associate-*l/ cbrt-unprod div-inv
+-commutative sub-neg pow-flip frac-2neg diff-log associate-*r/ pow-prod-down clear-num sum-log un-div-inv *-commutative inv-pow
Counts
4 → 110
Calls
4 calls:
259.0ms
(* (- (exp (+ x x)) (* 1.0 1.0)) (/ 1 (+ (exp x) 1.0)))
12.0ms
(+ (exp x) 1.0)
33.0ms
(/ 1 (+ (exp x) 1.0))
63.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series119.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* (- (exp (+ x x)) (* 1.0 1.0)) (/ 1 (+ (exp x) 1.0)))
9.0ms
(+ (exp x) 1.0)
39.0ms
(/ 1 (+ (exp x) 1.0))
28.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify3.4s

Counts
122 → 122
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
01651723
13951516
212091316
345141162
done50001162

prune282.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes24.0ms

Accuracy

98.7% (0.3b remaining)

Error of 0.3b against oracle of 0.0b and baseline of 21.5b

bsearch55.0ms

Steps
ItersRangePoint
9
-108.06719872485291
-1.20447477858732e-06
-0.00011882285500139608

simplify9.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03350
14450
done4450

end0.0ms

sample1.6s

Algorithm
intervals
Results
669.0ms2262×body1280valid
295.0ms1670×body640valid
237.0ms5539×body80valid
116.0ms781×body320valid
32.0ms447×body160valid