Details

Time bar (total: 20.8s)

sample30.0ms

Algorithm
intervals
Results
8.0ms60×body640valid
6.0ms145×body80valid
3.0ms19×body1280valid
2.0ms21×body320valid
1.0ms11×body160valid

simplify4.0s

Counts
1 → 1
Iterations
IterNodes
done5001
104810
91188
8437
7210
6162
5135
489
341
231
118
010

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.5b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.4b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite514.0ms

Algorithm
rewrite-expression-head
Rules
707×*-un-lft-identity
691×times-frac
514×add-sqr-sqrt
482×add-cube-cbrt
468×prod-diff
236×associate-+l+
91×distribute-lft-out
64×div-inv
56×associate-/r/
28×flip3-+ flip-+
18×fma-neg
17×distribute-lft-out--
12×difference-of-squares
10×fma-def add-log-exp
associate-/r* add-cbrt-cube add-exp-log
expm1-log1p-u pow1 flip3-- frac-add log1p-expm1-u flip-- associate-/l*
sum-log sub-neg diff-log frac-sub
cbrt-undiv +-commutative clear-num frac-2neg div-exp associate-+l-
Counts
3 → 583
Calls
3 calls:
8.0ms
(/ 1.0 (- x 1.0))
83.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
355.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series694.0ms

Counts
3 → 9
Calls
3 calls:
29.0ms
(/ 1.0 (- x 1.0))
59.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
606.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify1.8s

Counts
592 → 592
Iterations
IterNodes
done5000
23882
11139
0484

prune2.7s

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.2b

localize18.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 2.0 (pow x 7))
0.2b
(/ 2.0 (pow x 5))
0.3b
(/ 2.0 (pow x 3))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
60×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
36×unpow-prod-down
26×associate-/r*
18×add-exp-log
12×cube-prod sqr-pow
add-cbrt-cube div-exp associate-/l*
cube-mult unpow3
expm1-log1p-u pow-to-exp pow1 cbrt-undiv clear-num frac-2neg pow-exp log1p-expm1-u div-inv add-log-exp
Counts
3 → 161
Calls
3 calls:
6.0ms
(/ 2.0 (pow x 7))
6.0ms
(/ 2.0 (pow x 5))
7.0ms
(/ 2.0 (pow x 3))

series234.0ms

Counts
3 → 9
Calls
3 calls:
103.0ms
(/ 2.0 (pow x 7))
91.0ms
(/ 2.0 (pow x 5))
40.0ms
(/ 2.0 (pow x 3))

simplify805.0ms

Counts
170 → 170
Iterations
IterNodes
done5002
22157
1461
0234

prune763.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 2.0 (pow x 7))
0.1b
(* (/ 1 (* x x)) (/ 2.0 x))
0.2b
(/ 2.0 (pow x 5))
0.3b
(/ 1 (* x x))

rewrite102.0ms

Algorithm
rewrite-expression-head
Rules
70×add-exp-log
64×times-frac
60×add-sqr-sqrt
49×*-un-lft-identity
47×add-cube-cbrt
34×add-cbrt-cube
25×div-exp
24×unpow-prod-down
23×prod-exp
15×associate-/r*
14×pow1
13×associate-*r*
11×cbrt-undiv
cbrt-unprod associate-/l*
sqr-pow
associate-*l*
rec-exp 1-exp pow-flip unswap-sqr
div-inv
expm1-log1p-u log1p-expm1-u add-log-exp
clear-num frac-2neg
pow-to-exp pow-prod-down pow-exp
pow2 frac-times pow-plus associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up inv-pow
Counts
4 → 188
Calls
4 calls:
11.0ms
(/ 2.0 (pow x 7))
66.0ms
(* (/ 1 (* x x)) (/ 2.0 x))
6.0ms
(/ 2.0 (pow x 5))
9.0ms
(/ 1 (* x x))

series244.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(/ 2.0 (pow x 7))
69.0ms
(* (/ 1 (* x x)) (/ 2.0 x))
68.0ms
(/ 2.0 (pow x 5))
31.0ms
(/ 1 (* x x))

simplify2.7s

Counts
200 → 200
Iterations
IterNodes
done5002
24601
1706
0277

prune866.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 2.0 (pow x 7))
0.2b
(/ 2.0 (pow x 5))
0.2b
(/ (pow x 3) (sqrt 2.0))
0.4b
(/ (sqrt 2.0) (/ (pow x 3) (sqrt 2.0)))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
1074×times-frac
538×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
522×sqrt-prod
171×unpow-prod-down
147×cube-prod
96×associate-/r*
57×sqr-pow
49×cube-mult unpow3
29×add-exp-log
24×associate-/l*
16×div-exp
15×add-cbrt-cube
11×div-inv
cbrt-undiv
expm1-log1p-u pow-to-exp pow1 clear-num frac-2neg pow-exp log1p-expm1-u add-log-exp
associate-/r/
Counts
4 → 757
Calls
4 calls:
6.0ms
(/ 2.0 (pow x 7))
6.0ms
(/ 2.0 (pow x 5))
9.0ms
(/ (pow x 3) (sqrt 2.0))
54.0ms
(/ (sqrt 2.0) (/ (pow x 3) (sqrt 2.0)))

series340.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(/ 2.0 (pow x 7))
56.0ms
(/ 2.0 (pow x 5))
89.0ms
(/ (pow x 3) (sqrt 2.0))
115.0ms
(/ (sqrt 2.0) (/ (pow x 3) (sqrt 2.0)))

simplify915.0ms

Counts
769 → 769
Iterations
IterNodes
done5000
11862
0719

prune1.8s

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0b

regimes128.0ms

Accuracy

98.2% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 10.0b

bsearch148.0ms

Steps
ItersRangePoint
10
5.09324609688744e-06
47495130.80298876
139.99564384645248
10
-1138.2876542095912
-1.6260248627107784e-07
-107.12003739327044

simplify4.0ms

Iterations
IterNodes
done46
146
039

end0.0ms

sample1.7s

Algorithm
intervals
Results
798.0ms1922×body640valid
319.0ms4099×body80valid
172.0ms961×body320valid
146.0ms554×body1280valid
43.0ms466×body160valid