Details

Time bar (total: 14.2s)

sample128.0ms

Algorithm
intervals
Results
52.0ms57×body2560valid
26.0ms45×body640valid
17.0ms37×body1280valid
11.0ms38×body320valid
4.0ms66×body80valid
2.0ms13×body160valid

simplify29.0ms

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

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.3b

localize20.0ms

Local error

Found 2 expressions with local error:

1.3b
(- 1.0 (cos x))
16.9b
(/ (- 1.0 (cos x)) (* x x))

rewrite45.0ms

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:
10.0ms
(- 1.0 (cos x))
33.0ms
(/ (- 1.0 (cos x)) (* x x))

series106.0ms

Counts
2 → 6
Calls
2 calls:
28.0ms
(- 1.0 (cos x))
78.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify1.6s

Counts
48 → 48
Iterations
IterNodes
done5074
32415
2651
1217
088

prune222.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize25.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- 1.0 (cos x)) x)
0.1b
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
1.3b
(- 1.0 (cos x))

rewrite77.0ms

Algorithm
rewrite-expression-head
Rules
62×add-sqr-sqrt
47×*-un-lft-identity
46×times-frac
29×add-cube-cbrt
27×add-exp-log
19×associate-*r*
17×add-cbrt-cube
13×associate-*l*
div-exp
prod-exp distribute-lft-out-- difference-of-squares
unswap-sqr
pow1 cbrt-undiv associate-/l* add-log-exp
cbrt-unprod
associate-/r* div-inv
rec-exp flip3-- 1-exp flip-- associate-/l/
frac-times clear-num sub-neg frac-2neg diff-log div-sub pow-prod-down associate-*l/ associate-*r/ *-commutative
Counts
3 → 114
Calls
3 calls:
25.0ms
(/ (- 1.0 (cos x)) x)
40.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
5.0ms
(- 1.0 (cos x))

series167.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(/ (- 1.0 (cos x)) x)
77.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
34.0ms
(- 1.0 (cos x))

simplify1.7s

Counts
123 → 123
Iterations
IterNodes
done5000
21520
1524
0189

prune447.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.3b
(- 1.0 (cos x))

rewrite58.0ms

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:
28.0ms
(/ (/ (- 1.0 (cos x)) x) x)
20.0ms
(/ (- 1.0 (cos x)) x)
5.0ms
(- 1.0 (cos x))

series191.0ms

Counts
3 → 9
Calls
3 calls:
83.0ms
(/ (/ (- 1.0 (cos x)) x) x)
78.0ms
(/ (- 1.0 (cos x)) x)
30.0ms
(- 1.0 (cos x))

simplify1.6s

Counts
156 → 156
Iterations
IterNodes
done5001
21389
1530
0229

prune628.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (cos x) x)
0.1b
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
1.5b
(- (/ 1.0 x) (/ (cos x) x))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
40×*-un-lft-identity times-frac
23×add-cube-cbrt
14×add-exp-log
13×associate-*l*
12×associate-*r*
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
div-inv
pow1 add-log-exp
frac-times prod-exp associate-*r/
associate-/r* sub-neg flip3-- div-exp frac-sub flip-- associate-/l* sub-div unswap-sqr
distribute-rgt-in cbrt-undiv distribute-lft-in distribute-rgt-out-- cbrt-unprod
rec-exp clear-num frac-2neg diff-log 1-exp pow-prod-down associate-*l/ *-commutative
Counts
3 → 106
Calls
3 calls:
12.0ms
(/ (cos x) x)
96.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
29.0ms
(- (/ 1.0 x) (/ (cos x) x))

series324.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (cos x) x)
173.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
106.0ms
(- (/ 1.0 x) (/ (cos x) x))

simplify2.3s

Counts
115 → 115
Iterations
IterNodes
done5011
34530
21475
1504
0193

prune376.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 0.0b

regimes158.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 31.2b

bsearch101.0ms

Steps
ItersRangePoint
11
3.4817375791661903e-26
573579.0075499975
0.027390056951785625
10
-84463.33967257517
-3.2432757514909933e-09
-0.03115379972147734

simplify5.0ms

Iterations
IterNodes
done26
126
020

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.3s1285×body1280valid
1.1s1647×body2560valid
626.0ms1515×body640valid
208.0ms927×body320valid
125.0ms2168×body80valid
56.0ms458×body160valid