Details

Time bar (total: 10.6s)

sample89.0ms

Algorithm
intervals
Results
36.0ms51×body2560valid
13.0ms52×body640valid
12.0ms29×body1280valid
6.0ms79×body80valid
6.0ms31×body320valid
2.0ms14×body160valid

simplify42.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.6b

localize49.0ms

Local error

Found 2 expressions with local error:

1.3b
(- 1.0 (cos x))
15.0b
(/ (- 1.0 (cos x)) (* x x))

rewrite59.0ms

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:
13.0ms
(- 1.0 (cos x))
43.0ms
(/ (- 1.0 (cos x)) (* x x))

series116.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(- 1.0 (cos x))
83.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify926.0ms

Counts
48 → 48

prune139.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (- 1.0 (cos x)) x)
0.3b
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
1.3b
(- 1.0 (cos x))

rewrite72.0ms

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:
17.0ms
(/ (- 1.0 (cos x)) x)
43.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
7.0ms
(- 1.0 (cos x))

series183.0ms

Counts
3 → 9
Calls
3 calls:
80.0ms
(/ (- 1.0 (cos x)) x)
82.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
21.0ms
(- 1.0 (cos x))

simplify1.1s

Counts
123 → 123

prune371.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (cos x) x)
0.3b
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
1.7b
(- (/ 1.0 x) (/ (cos x) x))

rewrite255.0ms

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 associate-*r/ prod-exp
sub-neg flip3-- div-exp associate-/r* frac-sub flip-- associate-/l* sub-div unswap-sqr
cbrt-undiv distribute-rgt-in distribute-rgt-out-- distribute-lft-in cbrt-unprod
rec-exp frac-2neg diff-log 1-exp pow-prod-down associate-*l/ clear-num *-commutative
Counts
3 → 106
Calls
3 calls:
19.0ms
(/ (cos x) x)
178.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
51.0ms
(- (/ 1.0 x) (/ (cos x) x))

series286.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ (cos x) x)
142.0ms
(* (/ 1 x) (- (/ 1.0 x) (/ (cos x) x)))
107.0ms
(- (/ 1.0 x) (/ (cos x) x))

simplify905.0ms

Counts
115 → 115

prune355.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

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)
1.3b
(- 1.0 (cos x))

rewrite71.0ms

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:
29.0ms
(/ (/ (- 1.0 (cos x)) x) x)
24.0ms
(/ (- 1.0 (cos x)) x)
11.0ms
(- 1.0 (cos x))

series145.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(/ (/ (- 1.0 (cos x)) x) x)
65.0ms
(/ (- 1.0 (cos x)) x)
32.0ms
(- 1.0 (cos x))

simplify730.0ms

Counts
156 → 156

prune393.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

regimes83.0ms

Accuracy

99.5% (0.1b remaining)

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

bsearch92.0ms

Steps
ItersRangePoint
9
0.0024368900564104884
555.6593536559827
0.031138807283541618
10
-248837311.7084542
-0.0006576197608759923
-0.033797397342550294

simplify550.0ms

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.7s1639×body2560valid
589.0ms955×body320valid
447.0ms1250×body1280valid
387.0ms1415×body640valid
177.0ms2280×body80valid
103.0ms461×body160valid