Details

Time bar (total: 12.6s)

sample101.0ms

Algorithm
intervals
Results
36.0ms57×body2560valid
20.0ms13×body160valid
13.0ms37×body1280valid
10.0ms45×body640valid
8.0ms38×body320valid
3.0ms66×body80valid

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: 31.3b

localize12.0ms

Local error

Found 2 expressions with local error:

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

rewrite25.0ms

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))
19.0ms
(/ (- 1.0 (cos x)) (* x x))

series107.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(- 1.0 (cos x))
72.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify1.1s

Counts
48 → 48
Iterations
IterNodes
done5000
21129
1232
088

prune266.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.0b

localize19.0ms

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))

rewrite91.0ms

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:
21.0ms
(/ (- 1.0 (cos x)) x)
56.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
8.0ms
(- 1.0 (cos x))

series171.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- 1.0 (cos x)) x)
69.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
30.0ms
(- 1.0 (cos x))

simplify1.8s

Counts
123 → 123
Iterations
IterNodes
done5002
23068
1541
0189

prune442.0ms

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))

rewrite56.0ms

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:
25.0ms
(/ (/ (- 1.0 (cos x)) x) x)
13.0ms
(/ (- 1.0 (cos x)) x)
5.0ms
(- 1.0 (cos x))

series138.0ms

Counts
3 → 9
Calls
3 calls:
66.0ms
(/ (/ (- 1.0 (cos x)) x) x)
46.0ms
(/ (- 1.0 (cos x)) x)
26.0ms
(- 1.0 (cos x))

simplify1.4s

Counts
156 → 156
Iterations
IterNodes
done5001
22463
1549
0229

prune520.0ms

Pruning

8 alts after pruning (6 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))

rewrite150.0ms

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)
95.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
37.0ms
(- (/ 1.0 x) (/ (cos x) x))

series266.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(/ (cos x) x)
156.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
66.0ms
(- (/ 1.0 x) (/ (cos x) x))

simplify2.0s

Counts
115 → 115
Iterations
IterNodes
done5001
23078
1522
0193

prune379.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.0b

regimes166.0ms

Accuracy

99.6% (0.1b remaining)

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

bsearch118.0ms

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

simplify4.0ms

Iterations
IterNodes
done27
127
020

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.7s1647×body2560valid
542.0ms1285×body1280valid
440.0ms1515×body640valid
168.0ms927×body320valid
114.0ms2168×body80valid
91.0ms458×body160valid