Details

Time bar (total: 11.1s)

sample123.0ms

Algorithm
intervals
Results
40.0ms38×body2560valid
20.0ms80×body80valid
20.0ms56×body640valid
19.0ms38×body1280valid
6.0ms25×body320valid
3.0ms19×body160valid

simplify11.0ms

Counts
1 → 1
Iterations
IterNodes
done28
428
326
221
113
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.6b

localize9.0ms

Local error

Found 2 expressions with local error:

1.6b
(- 1.0 (cos x))
12.0b
(/ (- 1.0 (cos x)) (* x x))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l*
add-cube-cbrt add-log-exp
distribute-lft-out-- difference-of-squares
pow1 cbrt-undiv flip3-- div-exp flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 42
Calls
2 calls:
5.0ms
(- 1.0 (cos x))
16.0ms
(/ (- 1.0 (cos x)) (* x x))

series90.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(- 1.0 (cos x))
69.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify723.0ms

Counts
48 → 48
Iterations
IterNodes
done5000
21129
1232
088

prune166.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ 1 x) x)
1.6b
(- 1.0 (cos x))
13.4b
(* (- 1.0 (cos x)) (/ (/ 1 x) x))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
146×times-frac
98×add-sqr-sqrt
86×*-un-lft-identity
81×add-cube-cbrt
43×associate-*r*
27×add-exp-log
17×add-cbrt-cube
13×associate-/l*
12×div-exp
10×div-inv
pow1
cbrt-undiv
associate-*l* prod-exp add-log-exp unswap-sqr
associate-/r* flip3-- cbrt-unprod flip--
frac-times rec-exp 1-exp associate-*l/ distribute-lft-out-- difference-of-squares pow-div
clear-num sub-neg frac-2neg diff-log pow-prod-down associate-*r/ *-commutative pow-flip inv-pow associate-/l/
Counts
3 → 163
Calls
3 calls:
12.0ms
(/ (/ 1 x) x)
10.0ms
(- 1.0 (cos x))
70.0ms
(* (- 1.0 (cos x)) (/ (/ 1 x) x))

series97.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(/ (/ 1 x) x)
27.0ms
(- 1.0 (cos x))
52.0ms
(* (- 1.0 (cos x)) (/ (/ 1 x) x))

simplify929.0ms

Counts
172 → 172
Iterations
IterNodes
done5001
1674
0255

prune673.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.6b
(- 1.0 (cos x))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
103×add-sqr-sqrt *-un-lft-identity
69×add-cube-cbrt
24×associate-/l*
17×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
associate-/r* div-inv
add-log-exp
cbrt-undiv div-exp
pow1 div-sub associate-/l/
clear-num frac-2neg flip3-- flip--
sub-neg diff-log
Counts
3 → 147
Calls
3 calls:
23.0ms
(/ (/ (- 1.0 (cos x)) x) x)
14.0ms
(/ (- 1.0 (cos x)) x)
5.0ms
(- 1.0 (cos x))

series119.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ (/ (- 1.0 (cos x)) x) x)
48.0ms
(/ (- 1.0 (cos x)) x)
21.0ms
(- 1.0 (cos x))

simplify1.1s

Counts
156 → 156
Iterations
IterNodes
done5001
22463
1549
0229

prune705.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
0.1b
(/ (cos x) x)
1.7b
(- (/ 1.0 x) (/ (cos x) x))

rewrite148.0ms

Algorithm
rewrite-expression-head
Rules
98×add-sqr-sqrt
95×times-frac
78×*-un-lft-identity
38×add-cube-cbrt
20×distribute-lft-out-- difference-of-squares
15×associate-/l*
12×div-inv
add-cbrt-cube add-exp-log
associate-/r*
distribute-rgt-out-- add-log-exp
associate-/l/
pow1
cbrt-undiv clear-num frac-2neg flip3-- div-exp frac-sub flip-- sub-div
sub-neg diff-log div-sub
Counts
3 → 118
Calls
3 calls:
95.0ms
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
10.0ms
(/ (cos x) x)
36.0ms
(- (/ 1.0 x) (/ (cos x) x))

series308.0ms

Counts
3 → 9
Calls
3 calls:
177.0ms
(/ (- (/ 1.0 x) (/ (cos x) x)) x)
57.0ms
(/ (cos x) x)
73.0ms
(- (/ 1.0 x) (/ (cos x) x))

simplify1.1s

Counts
127 → 127
Iterations
IterNodes
done5000
21844
1478
0203

prune674.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.0b

regimes86.0ms

Accuracy

99.5% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 30.8b

bsearch102.0ms

Steps
ItersRangePoint
8
0.00104763160503943
5.1212688054922095
0.035978223766907506
9
-205.8624528279525
-0.0007095347148853646
-0.0346527842528457

simplify6.0ms

Iterations
IterNodes
done37
137
031

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.4s1504×body2560valid
943.0ms1529×body640valid
631.0ms1298×body1280valid
258.0ms980×body320valid
179.0ms2199×body80valid
64.0ms490×body160valid