Details

Time bar (total: 11.2s)

sample96.0ms

Algorithm
intervals
Results
44.0ms45×body2560valid
14.0ms42×body1280valid
11.0ms47×body640valid
7.0ms68×body80valid
6.0ms34×body320valid
2.0ms20×body160valid

simplify40.0ms

Counts
1 → 1

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.2b

localize13.0ms

Local error

Found 2 expressions with local error:

2.4b
(- 1.0 (cos x))
13.2b
(/ (- 1.0 (cos x)) (* x x))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
add-exp-log add-cbrt-cube
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/
sub-neg frac-2neg diff-log div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
2 → 42
Calls
2 calls:
6.0ms
(- 1.0 (cos x))
24.0ms
(/ (- 1.0 (cos x)) (* x x))

series125.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(- 1.0 (cos x))
98.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify1.2s

Counts
48 → 48

prune237.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- 1.0 (cos x)) x)
0.1b
(/ (/ (- 1.0 (cos x)) x) x)
2.4b
(- 1.0 (cos x))

rewrite107.0ms

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-exp-log add-cbrt-cube
associate-/r* div-inv
add-log-exp
cbrt-undiv div-exp
pow1 div-sub associate-/l/
flip3-- frac-2neg clear-num flip--
sub-neg diff-log
Counts
3 → 147
Calls
3 calls:
33.0ms
(/ (- 1.0 (cos x)) x)
46.0ms
(/ (/ (- 1.0 (cos x)) x) x)
12.0ms
(- 1.0 (cos x))

series156.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- 1.0 (cos x)) x)
61.0ms
(/ (/ (- 1.0 (cos x)) x) x)
22.0ms
(- 1.0 (cos x))

simplify745.0ms

Counts
156 → 156

prune377.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (* 1.0 1.0) (* (cos x) (cos x))) (* x (+ 1.0 (cos x))))
0.3b
(* (cos x) (cos x))
0.5b
(+ 1.0 (cos x))
2.6b
(- (* 1.0 1.0) (* (cos x) (cos x)))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity
11×pow1 add-exp-log add-cbrt-cube
10×add-cube-cbrt
add-log-exp
times-frac associate-/l*
swap-sqr associate-*r* associate-*l* difference-of-squares
cbrt-undiv sqr-cos flip3-- flip3-+ associate-*r/ div-exp prod-exp associate-/r/ flip-- cbrt-unprod flip-+ associate-/l/
+-commutative pow2 sub-neg frac-2neg pow-plus diff-log div-sub pow-prod-down clear-num associate-/r* sum-log pow-sqr cos-mult *-commutative pow-prod-up div-inv distribute-lft-out associate--r+ unswap-sqr
Counts
4 → 81
Calls
4 calls:
52.0ms
(/ (- (* 1.0 1.0) (* (cos x) (cos x))) (* x (+ 1.0 (cos x))))
27.0ms
(* (cos x) (cos x))
12.0ms
(+ 1.0 (cos x))
12.0ms
(- (* 1.0 1.0) (* (cos x) (cos x)))

series236.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(/ (- (* 1.0 1.0) (* (cos x) (cos x))) (* x (+ 1.0 (cos x))))
29.0ms
(* (cos x) (cos x))
18.0ms
(+ 1.0 (cos x))
46.0ms
(- (* 1.0 1.0) (* (cos x) (cos x)))

simplify986.0ms

Counts
93 → 93

prune268.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ 1.0 (cos x)) (/ (* x (+ 1.0 (cos x))) (- 1.0 (cos x))))
0.5b
(+ 1.0 (cos x))
0.5b
(+ 1.0 (cos x))
2.4b
(- 1.0 (cos x))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
69×times-frac
66×*-un-lft-identity
38×add-sqr-sqrt
26×add-cube-cbrt
14×distribute-lft-out
13×add-exp-log add-cbrt-cube
11×associate-/r* associate-/r/
10×add-log-exp
flip3-- flip-- div-inv distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp
pow1 associate-/l*
flip3-+ flip-+
+-commutative sum-log associate-/l/
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod
Counts
4 → 116
Calls
4 calls:
81.0ms
(/ (+ 1.0 (cos x)) (/ (* x (+ 1.0 (cos x))) (- 1.0 (cos x))))
6.0ms
(+ 1.0 (cos x))
6.0ms
(+ 1.0 (cos x))
6.0ms
(- 1.0 (cos x))

series130.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(/ (+ 1.0 (cos x)) (/ (* x (+ 1.0 (cos x))) (- 1.0 (cos x))))
11.0ms
(+ 1.0 (cos x))
16.0ms
(+ 1.0 (cos x))
31.0ms
(- 1.0 (cos x))

simplify1.1s

Counts
128 → 128

prune365.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

regimes129.0ms

Accuracy

98.8% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 30.8b

bsearch131.0ms

Steps
ItersRangePoint
10
1.5244367550608482e-07
9556.682540875734
0.02733685303105121
9
-1501.2167507114543
-0.006495210018506858
-0.03155884382850993

simplify877.0ms

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.8s1538×body2560valid
638.0ms1280×body1280valid
529.0ms1481×body640valid
196.0ms957×body320valid
139.0ms2287×body80valid
62.0ms457×body160valid