Details

Time bar (total: 7.3s)

sample46.0ms

Algorithm
intervals
Results
16.0ms71×body1280valid
8.0ms57×body640valid
4.0ms161×body80valid
3.0ms33×body320valid
1.0ms11×body160valid

simplify8.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
1106
2136
3156
done156

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 41.8b

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
3.4b
(- (exp x) 1.0)

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
23.0ms
(/ (- (exp x) 1.0) x)
10.0ms
(- (exp x) 1.0)

series59.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (- (exp x) 1.0) x)
19.0ms
(- (exp x) 1.0)

simplify1.4s

Counts
58 → 58
Iterations

Useful iterations: 4 (773.0ms)

IterNodesCost
099596
1221572
2503542
31095537
42836536
done5001536

prune109.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 3 expressions with local error:

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

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity add-cbrt-cube
associate-*r* associate-*l*
add-log-exp
flip3-+ associate-*r/ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
+-commutative distribute-rgt-in distribute-lft-in sum-log
Counts
3 → 51
Calls
3 calls:
5.0ms
(+ 1/2 (* 1/6 x))
15.0ms
(* x (+ 1/2 (* 1/6 x)))
7.0ms
(* 1/6 x)

series107.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(+ 1/2 (* 1/6 x))
60.0ms
(* x (+ 1/2 (* 1/6 x)))
15.0ms
(* 1/6 x)

simplify1.5s

Counts
60 → 60
Iterations

Useful iterations: 2 (103.0ms)

IterNodesCost
078480
1204439
2572397
31768397
done5000397

prune91.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
0.0b
(+ (exp x) 1.0)
0.0b
(* x (+ (exp x) 1.0))
3.3b
(- (* (exp x) (exp x)) (* 1.0 1.0))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
11×add-exp-log add-cbrt-cube
10×add-sqr-sqrt
add-cube-cbrt add-log-exp
pow1
times-frac associate-*r/ associate-*r* associate-/l*
flip3-+ associate-*l* flip-+ difference-of-squares
cbrt-undiv flip3-- div-exp prod-exp associate-/r/ flip-- cbrt-unprod associate-/l/ distribute-lft-out
+-commutative distribute-rgt-in sub-neg frac-2neg distribute-lft-in diff-log div-sub pow-prod-down clear-num associate-/r* sum-log *-commutative div-inv unswap-sqr
Counts
4 → 76
Calls
4 calls:
49.0ms
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
10.0ms
(+ (exp x) 1.0)
29.0ms
(* x (+ (exp x) 1.0))
16.0ms
(- (* (exp x) (exp x)) (* 1.0 1.0))

series153.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
8.0ms
(+ (exp x) 1.0)
33.0ms
(* x (+ (exp x) 1.0))
29.0ms
(- (* (exp x) (exp x)) (* 1.0 1.0))

simplify691.0ms

Counts
88 → 88
Iterations

Useful iterations: done (689.0ms)

IterNodesCost
01361231
13781140
21346991
done5001871

prune167.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (+ (exp x) 1.0))
0.0b
(+ (exp x) 1.0)
3.3b
(- (pow (exp x) 2) (* 1.0 1.0))
3.3b
(log (exp (- (pow (exp x) 2) (* 1.0 1.0))))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity
add-cube-cbrt log-pow add-log-exp difference-of-squares
pow1 exp-prod
add-exp-log add-cbrt-cube
log-prod
associate-*r*
associate-*l*
sub-neg unpow-prod-down flip3-+ associate-*r/ exp-sum flip-+ distribute-lft-out unpow2 sqr-pow
+-commutative distribute-rgt-in log-div flip3-- distribute-lft-in exp-diff diff-log rem-log-exp pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod unswap-sqr
Counts
4 → 73
Calls
4 calls:
29.0ms
(* x (+ (exp x) 1.0))
8.0ms
(+ (exp x) 1.0)
23.0ms
(- (pow (exp x) 2) (* 1.0 1.0))
43.0ms
(log (exp (- (pow (exp x) 2) (* 1.0 1.0))))

series96.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(* x (+ (exp x) 1.0))
8.0ms
(+ (exp x) 1.0)
26.0ms
(- (pow (exp x) 2) (* 1.0 1.0))
28.0ms
(log (exp (- (pow (exp x) 2) (* 1.0 1.0))))

simplify1.4s

Counts
85 → 85
Iterations

Useful iterations: 3 (540.0ms)

IterNodesCost
0139906
1305819
2799723
32565715
done5002715

prune195.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes22.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.3b against oracle of 0.2b and baseline of 20.9b

bsearch21.0ms

Steps
ItersRangePoint
5
-0.0002772006047103471
-9.588134368690297e-05
-0.00016816552986419862

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02230
13030
done3030

end0.0ms

sample911.0ms

Algorithm
intervals
Results
391.0ms2352×body1280valid
169.0ms1649×body640valid
99.0ms5259×body80valid
53.0ms818×body320valid
17.0ms412×body160valid