Details

Time bar (total: 16.4s)

sample125.0ms

Algorithm
intervals
Results
39.0ms48×body2560valid
22.0ms19×body160valid
19.0ms42×body1280valid
18.0ms52×body640valid
6.0ms27×body320valid
5.0ms68×body80valid

simplify21.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
06182
113182
221182
326182
428182
done28182

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.6b

localize15.0ms

Local error

Found 2 expressions with local error:

2.1b
(- 1.0 (cos x))
15.1b
(/ (- 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:
7.0ms
(- 1.0 (cos x))
16.0ms
(/ (- 1.0 (cos x)) (* x x))

series79.0ms

Counts
2 → 6
Calls
2 calls:
19.0ms
(- 1.0 (cos x))
59.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify807.0ms

Counts
48 → 48
Iterations

Useful iterations: done (803.0ms)

IterNodesCost
08812774
123211197
2112910866
done500010826

prune200.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
0.1b
(/ (- 1.0 (cos x)) x)
2.1b
(- 1.0 (cos x))

rewrite55.0ms

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:
31.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
16.0ms
(/ (- 1.0 (cos x)) x)
5.0ms
(- 1.0 (cos x))

series152.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(* (/ 1 x) (/ (- 1.0 (cos x)) x))
67.0ms
(/ (- 1.0 (cos x)) x)
20.0ms
(- 1.0 (cos x))

simplify2.0s

Counts
123 → 123
Iterations

Useful iterations: done (2.0s)

IterNodesCost
018937850
154632799
2324831294
done500131134

prune518.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.1b

localize33.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (cos x) 3)
0.4b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
0.5b
(+ 1.0 (cos x))
1.9b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite113.0ms

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-cbrt-cube add-exp-log
add-cube-cbrt
add-log-exp
pow1
difference-cubes pow-unpow
cbrt-undiv flip3-+ flip3-- div-exp associate-*r/ associate-/r/ flip-+ flip-- associate-/l/
cube-mult pow-to-exp +-commutative clear-num associate-/r* sum-log sub-neg pow-pow frac-2neg diff-log unpow3 div-sub pow-exp prod-exp cbrt-unprod div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 139
Calls
4 calls:
3.0ms
(pow (cos x) 3)
72.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
5.0ms
(+ 1.0 (cos x))
27.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series369.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(pow (cos x) 3)
245.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
15.0ms
(+ 1.0 (cos x))
70.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify2.9s

Counts
151 → 151
Iterations

Useful iterations: 2 (1.1s)

IterNodesCost
0219115647
164474037
2362470557
done500170557

prune748.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize81.0ms

Local error

Found 4 expressions with local error:

0.4b
(cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))
0.4b
(/ (- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
0.5b
(+ 1.0 (cos x))
1.9b
(- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x)))))

rewrite786.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
17×associate-*l/
14×*-un-lft-identity
12×cos-mult difference-of-squares
add-cbrt-cube add-exp-log
times-frac associate-/l* add-log-exp
cbrt-div
add-cube-cbrt
frac-times associate-*r/
pow1 pow3
unpow-prod-down cube-prod distribute-lft-out-- sqr-pow
cbrt-undiv flip3-+ flip3-- div-exp pow-prod-down associate-/r/ rem-cbrt-cube flip-+ flip-- associate-/l/
cbrt-prod +-commutative clear-num associate-/r* sum-log sub-neg frac-2neg pow1/3 diff-log div-sub prod-exp cbrt-unprod div-inv distribute-lft-out
Counts
4 → 83
Calls
4 calls:
697.0ms
(cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))
66.0ms
(/ (- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
5.0ms
(+ 1.0 (cos x))
15.0ms
(- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x)))))

series420.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))
273.0ms
(/ (- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x))))) (* x (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
18.0ms
(+ 1.0 (cos x))
83.0ms
(- (pow 1.0 3) (cbrt (* (* (* (* (cos x) (cos x)) (cos x)) (* (* (cos x) (cos x)) (cos x))) (* (* (cos x) (cos x)) (cos x)))))

simplify2.7s

Counts
95 → 95
Iterations

Useful iterations: done (2.7s)

IterNodesCost
020164981
155451389
2322250589
done500139029

prune490.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes81.0ms

Accuracy

98.9% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 30.7b

bsearch102.0ms

Steps
ItersRangePoint
9
5.1798647897020696e-05
160.65039477392645
0.033302914266201536
8
-0.9341403346610884
-0.003292329160956242
-0.037051728393040065

simplify20.0ms

Iterations

Useful iterations: 0 (7.0ms)

IterNodesCost
0381559
1511559
done511559

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.8s1623×body2560valid
575.0ms1237×body1280valid
561.0ms1505×body640valid
273.0ms923×body320valid
127.0ms2205×body80valid
65.0ms507×body160valid