Details

Time bar (total: 15.8s)

sample95.0ms

Algorithm
intervals
Results
30.0ms85×body10240exit
25.0ms56×body1280valid
14.0ms50×body640valid
7.0ms106×body80valid
7.0ms31×body320valid
2.0ms13×body160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
311
211
110
05

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (exp x) (- (exp x) 1))
4.1b
(- (exp x) 1)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
29×*-un-lft-identity
21×times-frac
14×add-cube-cbrt
10×difference-of-squares
associate-/r*
difference-of-sqr-1 distribute-lft-out--
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ insert-posit16 flip--
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp div-inv
Counts
2 → 63
Calls
2 calls:
16.0ms
(/ (exp x) (- (exp x) 1))
9.0ms
(- (exp x) 1)

series54.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ (exp x) (- (exp x) 1))
24.0ms
(- (exp x) 1)

simplify2.0s

Counts
69 → 69
Iterations
IterNodes
44327
31281
2472
1198
0101

prune463.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ 1 x) 1/2)
0.0b
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
0.3b
(* 1/12 x)

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
*-un-lft-identity
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log
associate-*r* associate-*l* insert-posit16
+-commutative flip3-+ flip-+ distribute-lft-out
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod div-inv unswap-sqr
Counts
3 → 47
Calls
3 calls:
17.0ms
(+ (/ 1 x) 1/2)
24.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
9.0ms
(* 1/12 x)

series71.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(+ (/ 1 x) 1/2)
26.0ms
(+ (* 1/12 x) (+ (/ 1 x) 1/2))
27.0ms
(* 1/12 x)

simplify1.6s

Counts
56 → 56
Iterations
IterNodes
32763
2646
1208
076

prune334.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ (/ 1 x) 1/2))
0.3b
(cbrt (+ (/ 1 x) 1/2))
0.3b
(cbrt (+ (/ 1 x) 1/2))
0.7b
(* (cbrt (+ (/ 1 x) 1/2)) (cbrt (+ (/ 1 x) 1/2)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
52×*-un-lft-identity
51×cbrt-prod
23×add-sqr-sqrt
22×distribute-lft-out
18×cbrt-div
15×add-cube-cbrt
14×swap-sqr
11×pow1 div-inv
flip3-+ pow1/3 flip-+
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 109
Calls
4 calls:
5.0ms
(cbrt (+ (/ 1 x) 1/2))
8.0ms
(cbrt (+ (/ 1 x) 1/2))
9.0ms
(cbrt (+ (/ 1 x) 1/2))
55.0ms
(* (cbrt (+ (/ 1 x) 1/2)) (cbrt (+ (/ 1 x) 1/2)))

series269.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(cbrt (+ (/ 1 x) 1/2))
65.0ms
(cbrt (+ (/ 1 x) 1/2))
65.0ms
(cbrt (+ (/ 1 x) 1/2))
84.0ms
(* (cbrt (+ (/ 1 x) 1/2)) (cbrt (+ (/ 1 x) 1/2)))

simplify3.0s

Counts
121 → 121
Iterations
IterNodes
46493
31987
2761
1288
0118

prune960.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (cbrt (- (exp x) 1)) (cbrt (- (exp x) 1)))
4.1b
(- (exp x) 1)
4.1b
(- (exp x) 1)
4.1b
(- (exp x) 1)

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
52×add-sqr-sqrt
41×*-un-lft-identity
40×cbrt-prod
16×difference-of-squares
14×swap-sqr
12×cbrt-div add-cube-cbrt
11×pow1
10×associate-*r* associate-*l* add-log-exp
flip3-- difference-of-sqr-1 flip-- distribute-lft-out--
pow1/3 add-exp-log
frac-times add-cbrt-cube insert-posit16 unswap-sqr
sub-neg diff-log
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 116
Calls
4 calls:
76.0ms
(* (cbrt (- (exp x) 1)) (cbrt (- (exp x) 1)))
16.0ms
(- (exp x) 1)
9.0ms
(- (exp x) 1)
8.0ms
(- (exp x) 1)

series211.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(* (cbrt (- (exp x) 1)) (cbrt (- (exp x) 1)))
15.0ms
(- (exp x) 1)
15.0ms
(- (exp x) 1)
15.0ms
(- (exp x) 1)

simplify1.3s

Counts
128 → 128
Iterations
IterNodes
42699
31124
2519
1239
0120

prune1.2s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

regimes73.0ms

Accuracy

99.1% (0.2b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 21.5b

bsearch25.0ms

Steps
ItersRangePoint
7
-0.11981472621416538
-0.0008162261515098681
-0.002288391212180564

simplify5.0ms

Iterations
IterNodes
223
123
017

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.6s2496×body10240exit
1.1s2304×body1280valid
535.0ms1597×body640valid
198.0ms2874×body80valid
158.0ms815×body320valid
52.0ms413×body160valid