Details

Time bar (total: 15.8s)

sample62.0ms

Algorithm
intervals
Results
25.0ms112×body1280valid
11.0ms87×body640valid
5.0ms401×pre80true
3.0ms154×body80valid
2.0ms24×body320valid
1.0ms24×body160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
164
274
done74

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 58.2b

localize7.0ms

Local error

Found 1 expressions with local error:

6.1b
(- (exp x) 1.0)

rewrite23.0ms

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:
22.0ms
(- (exp x) 1.0)

series44.0ms

Counts
1 → 3
Calls
1 calls:
44.0ms
(- (exp x) 1.0)

simplify2.4s

Counts
17 → 17
Iterations

Useful iterations: 3 (98.0ms)

IterNodesCost
039132
183127
2177119
3328117
4668117
51877117
done5000117

prune88.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (pow x 2) (+ (* 1/6 x) 1/2))
0.4b
(* 1/6 x)

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
11×associate-*l*
add-exp-log
add-cube-cbrt *-un-lft-identity
associate-*r* add-cbrt-cube
unswap-sqr
pow1 unpow-prod-down prod-exp
associate-*r/ *-commutative cbrt-unprod unpow2 add-log-exp sqr-pow
distribute-rgt-in pow-to-exp distribute-lft-in flip3-+ pow-prod-down pow-exp flip-+
Counts
2 → 49
Calls
2 calls:
70.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
16.0ms
(* 1/6 x)

series122.0ms

Counts
2 → 6
Calls
2 calls:
105.0ms
(* (pow x 2) (+ (* 1/6 x) 1/2))
16.0ms
(* 1/6 x)

simplify3.5s

Counts
55 → 55
Iterations

Useful iterations: 2 (278.0ms)

IterNodesCost
089542
1247491
2804442
33290442
done5000442

prune198.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize11.0ms

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))
6.1b
(- (exp (+ x x)) (* 1.0 1.0))

rewrite325.0ms

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)
233.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
79.0ms
(- (exp (+ x x)) (* 1.0 1.0))

series95.0ms

Counts
3 → 9
Calls
3 calls:
10.0ms
(+ (exp x) 1.0)
62.0ms
(/ (- (exp (+ x x)) (* 1.0 1.0)) (+ (exp x) 1.0))
23.0ms
(- (exp (+ x x)) (* 1.0 1.0))

simplify2.9s

Counts
81 → 81
Iterations

Useful iterations: 3 (1.3s)

IterNodesCost
01311338
13191293
29511179
331521035
done50001035

prune254.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (exp (+ x x)) (* 1.0 1.0))
0.0b
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
0.0b
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
6.0b
(- (exp (* x 4)) (pow 1.0 4))

rewrite478.0ms

Algorithm
rewrite-expression-head
Rules
234×times-frac
199×add-sqr-sqrt
195×*-un-lft-identity
99×add-cube-cbrt
60×difference-of-squares
34×associate-/l*
28×distribute-lft-out
20×unpow-prod-down distribute-lft-out-- sqr-pow
14×associate-/r/
11×add-exp-log add-cbrt-cube
flip3-+ flip-+ add-log-exp
associate-/r* div-inv
pow1 cbrt-undiv div-exp
div-sub associate-/l/
flip3-- frac-2neg clear-num flip--
+-commutative sub-neg diff-log sum-log
Counts
4 → 232
Calls
4 calls:
83.0ms
(+ (exp (+ x x)) (* 1.0 1.0))
112.0ms
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
217.0ms
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
40.0ms
(- (exp (* x 4)) (pow 1.0 4))

series202.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(+ (exp (+ x x)) (* 1.0 1.0))
55.0ms
(/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0)))
110.0ms
(/ (/ (- (exp (* x 4)) (pow 1.0 4)) (+ (exp (+ x x)) (* 1.0 1.0))) (+ (exp x) 1.0))
20.0ms
(- (exp (* x 4)) (pow 1.0 4))

simplify1.5s

Counts
244 → 244
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03568483
18908157
226547828
done50017792

prune1.0s

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

regimes42.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 0.5b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0911
11311
done1311

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.0s3449×body1280valid
443.0ms2495×body640valid
196.0ms1224×body320valid
162.0ms11875×pre80true
139.0ms4072×body80valid
43.0ms635×body160valid