Details

Time bar (total: 9.3s)

sample29.0ms

Algorithm
intervals
Results
11.0ms62×body1280valid
6.0ms62×body640valid
3.0ms183×body80valid
2.0ms24×body320valid
1.0ms12×body160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
056
1106
2136
3156
done156

prune1.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.6b

localize4.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (exp x) 1.0) x)
4.0b
(- (exp x) 1.0)

rewrite19.0ms

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:
13.0ms
(/ (- (exp x) 1.0) x)
4.0ms
(- (exp x) 1.0)

series51.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ (- (exp x) 1.0) x)
14.0ms
(- (exp x) 1.0)

simplify2.7s

Counts
58 → 58
Iterations

Useful iterations: 4 (1.5s)

IterNodesCost
099596
1221572
2501542
31228537
43918536
done5000536

prune110.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
pow1 add-exp-log add-cube-cbrt *-un-lft-identity associate-*r* associate-*l* add-cbrt-cube
associate-*r/ pow-prod-down prod-exp *-commutative cbrt-unprod add-log-exp unswap-sqr
distribute-rgt-in distribute-lft-in flip3-+ flip-+
Counts
2 → 40
Calls
2 calls:
10.0ms
(* x (+ (* x 1/6) 1/2))
3.0ms
(* x 1/6)

series70.0ms

Counts
2 → 6
Calls
2 calls:
57.0ms
(* x (+ (* x 1/6) 1/2))
13.0ms
(* x 1/6)

simplify1.7s

Counts
46 → 46
Iterations

Useful iterations: 2 (60.0ms)

IterNodesCost
070356
1182328
2462298
31382298
done5000298

prune67.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(* x (+ (exp x) 1.0))
0.0b
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
0.0b
(* (exp x) (exp x))
3.9b
(- (* (exp x) (exp x)) (* 1.0 1.0))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
20×*-un-lft-identity
18×add-cube-cbrt exp-prod
13×pow1 add-cbrt-cube
11×add-exp-log
associate-*r*
associate-*l* add-log-exp
pow-prod-down
times-frac associate-*r/ pow-sqr pow-prod-up associate-/l*
swap-sqr prod-exp cbrt-unprod difference-of-squares
cbrt-undiv flip3-- flip3-+ div-exp associate-/r/ *-commutative flip-- flip-+ associate-/l/ unswap-sqr
pow2 distribute-rgt-in sub-neg frac-2neg distribute-lft-in pow-plus diff-log div-sub clear-num associate-/r* div-inv distribute-lft-out
Counts
4 → 98
Calls
4 calls:
13.0ms
(* x (+ (exp x) 1.0))
25.0ms
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
7.0ms
(* (exp x) (exp x))
7.0ms
(- (* (exp x) (exp x)) (* 1.0 1.0))

series154.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(* x (+ (exp x) 1.0))
79.0ms
(/ (- (* (exp x) (exp x)) (* 1.0 1.0)) (* x (+ (exp x) 1.0)))
13.0ms
(* (exp x) (exp x))
25.0ms
(- (* (exp x) (exp x)) (* 1.0 1.0))

simplify790.0ms

Counts
110 → 110
Iterations

Useful iterations: 2 (254.0ms)

IterNodesCost
01601376
14181216
215851053
done50001053

prune207.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (exp x) (exp x))
0.0b
(* (exp x) (exp x))
0.0b
(pow (exp x) 2)
3.9b
(- (* (* (exp x) (exp x)) (* (exp x) (exp x))) (* (* 1.0 1.0) (* 1.0 1.0)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
39×exp-prod
31×add-sqr-sqrt
27×add-cube-cbrt *-un-lft-identity
19×pow1
pow-prod-down pow-sqr pow-prod-up add-cbrt-cube
swap-sqr associate-*r* associate-*l* add-log-exp
add-exp-log pow-pow
unpow-prod-down pow-unpow
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
pow-to-exp sub-neg flip3-- diff-log pow-exp flip-- unpow2 difference-of-squares sqr-pow
Counts
4 → 102
Calls
4 calls:
8.0ms
(* (exp x) (exp x))
7.0ms
(* (exp x) (exp x))
2.0ms
(pow (exp x) 2)
53.0ms
(- (* (* (exp x) (exp x)) (* (exp x) (exp x))) (* (* 1.0 1.0) (* 1.0 1.0)))

series82.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(* (exp x) (exp x))
18.0ms
(* (exp x) (exp x))
13.0ms
(pow (exp x) 2)
38.0ms
(- (* (* (exp x) (exp x)) (* (exp x) (exp x))) (* (* 1.0 1.0) (* 1.0 1.0)))

simplify2.0s

Counts
114 → 114
Iterations

Useful iterations: 3 (842.0ms)

IterNodesCost
01111087
1246751
2804646
32951590
done5000590

prune246.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

regimes21.0ms

Accuracy

99.1% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 22.0b

bsearch41.0ms

Steps
ItersRangePoint
10
-3752817.331716861
-5.670122129476186e-07
-0.0001664903813288805

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02858
13958
done3958

end0.0ms

sample893.0ms

Algorithm
intervals
Results
380.0ms2216×body1280valid
185.0ms1666×body640valid
109.0ms5558×body80valid
57.0ms814×body320valid
18.0ms398×body160valid