Details

Time bar (total: 11.4s)

sample70.0ms

Algorithm
intervals
Results
31.0ms49×body2560valid
10.0ms38×body1280valid
10.0ms50×body640valid
4.0ms32×body320valid
4.0ms76×body80valid
1.0ms11×body160valid

simplify26.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.2b

localize8.0ms

Local error

Found 2 expressions with local error:

1.1b
(- 1.0 (cos x))
13.4b
(/ (- 1.0 (cos x)) (* x x))

rewrite29.0ms

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))
21.0ms
(/ (- 1.0 (cos x)) (* x x))

series101.0ms

Counts
2 → 6
Calls
2 calls:
21.0ms
(- 1.0 (cos x))
79.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify887.0ms

Counts
48 → 48

prune191.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
0.1b
(/ (- 1.0 (cos x)) x)
1.1b
(- 1.0 (cos x))

rewrite110.0ms

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 sub-neg frac-2neg diff-log div-sub associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative
Counts
3 → 114
Calls
3 calls:
73.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
20.0ms
(/ (- 1.0 (cos x)) x)
6.0ms
(- 1.0 (cos x))

series167.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
60.0ms
(/ (- 1.0 (cos x)) x)
31.0ms
(- 1.0 (cos x))

simplify984.0ms

Counts
123 → 123

prune418.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.1b
(- 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:
48.0ms
(/ (/ (- 1.0 (cos x)) x) x)
33.0ms
(/ (- 1.0 (cos x)) x)
12.0ms
(- 1.0 (cos x))

series184.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (/ (- 1.0 (cos x)) x) x)
78.0ms
(/ (- 1.0 (cos x)) x)
34.0ms
(- 1.0 (cos x))

simplify723.0ms

Counts
156 → 156

prune471.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 0.1b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) x))
0.3b
(pow (cos x) 3)
0.4b
(+ (cos x) 1.0)
0.9b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
81×add-sqr-sqrt
48×difference-of-squares
41×*-un-lft-identity
39×unpow-prod-down cube-prod
25×times-frac associate-/l* sqr-pow
15×distribute-lft-out--
10×add-exp-log add-cbrt-cube
add-cube-cbrt
add-log-exp
pow1
difference-cubes pow-unpow
cbrt-undiv flip3-- flip3-+ div-exp associate-*l/ associate-/r/ flip-- flip-+ associate-/l/
+-commutative cube-mult pow-to-exp sub-neg pow-pow frac-2neg diff-log unpow3 div-sub pow-exp prod-exp clear-num associate-/r* sum-log cbrt-unprod div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 139
Calls
4 calls:
131.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) x))
3.0ms
(pow (cos x) 3)
7.0ms
(+ (cos x) 1.0)
43.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series393.0ms

Counts
4 → 12
Calls
4 calls:
268.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (+ (* (cos x) (+ (cos x) 1.0)) (* 1.0 1.0)) x))
47.0ms
(pow (cos x) 3)
17.0ms
(+ (cos x) 1.0)
61.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify1.3s

Counts
151 → 151

prune574.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

regimes105.0ms

Accuracy

99.5% (0.2b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 30.7b

bsearch154.0ms

Steps
ItersRangePoint
8
0.00022617661863457038
0.0815671925612537
0.0307485140243717
11
-31.62993370098301
-4.221128360075206e-33
-0.03288362802178943

simplify735.0ms

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.3s1580×body2560valid
956.0ms1249×body1280valid
463.0ms1461×body640valid
211.0ms935×body320valid
153.0ms2308×body80valid
59.0ms467×body160valid