Details

Time bar (total: 22.9s)

sample179.0ms

Algorithm
intervals
Results
84.0ms48×body2560valid
51.0ms89×body1280valid
21.0ms62×body640valid
7.0ms27×body320valid
3.0ms19×body160valid
1.0ms11×body80valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done16
316
214
111
06

prune33.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.5b

localize26.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (- 1.0 (cos x)) (sin x))
2.1b
(- 1.0 (cos x))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/l* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 52
Calls
2 calls:
16.0ms
(/ (- 1.0 (cos x)) (sin x))
10.0ms
(- 1.0 (cos x))

series472.0ms

Counts
2 → 6
Calls
2 calls:
435.0ms
(/ (- 1.0 (cos x)) (sin x))
36.0ms
(- 1.0 (cos x))

simplify808.0ms

Counts
58 → 58
Iterations
IterNodes
done5000
2805
1240
0106

prune401.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize72.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.3b
(* (cos x) (cos x))
0.5b
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
1.9b
(- (* (* 1.0 1.0) 1.0) (* (cos x) (* (cos x) (cos x))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1
16×add-sqr-sqrt
12×*-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log add-log-exp
swap-sqr associate-*r* associate-*l*
sqr-cos
pow2 pow-plus pow-prod-down prod-exp pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod associate--r+ unswap-sqr
distribute-rgt-in difference-cubes +-commutative associate-+l+ sum-log sub-neg distribute-lft-in flip3-+ distribute-rgt-out flip3-- diff-log cube-unmult pow3 flip-+ flip--
Counts
4 → 82
Calls
4 calls:
8.0ms
(* (cos x) (cos x))
11.0ms
(* (cos x) (cos x))
19.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
42.0ms
(- (* (* 1.0 1.0) 1.0) (* (cos x) (* (cos x) (cos x))))

series182.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* (cos x) (cos x))
32.0ms
(* (cos x) (cos x))
52.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
67.0ms
(- (* (* 1.0 1.0) 1.0) (* (cos x) (* (cos x) (cos x))))

simplify2.8s

Counts
94 → 94
Iterations
IterNodes
done5001
22710
1357
0121

prune606.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 0.1b

localize72.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.5b
(log (exp (* (cos x) (cos x))))
0.5b
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
1.9b
(- (* (* 1.0 1.0) 1.0) (* (cos x) (log (exp (* (cos x) (cos x))))))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
12×pow1 log-prod
11×*-un-lft-identity add-cube-cbrt
add-log-exp
associate--r+
add-cbrt-cube add-exp-log
sqr-cos
distribute-rgt-in distribute-lft-in
swap-sqr associate-*r* associate-*l* exp-sum log-pow
pow2 +-commutative associate-+l+ exp-prod sum-log sub-neg flip3-+ pow-plus distribute-rgt-out flip3-- exp-to-pow diff-log rem-log-exp pow-prod-down prod-exp pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod flip-+ flip-- unswap-sqr
Counts
4 → 75
Calls
4 calls:
12.0ms
(* (cos x) (cos x))
3.0ms
(log (exp (* (cos x) (cos x))))
10.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
21.0ms
(- (* (* 1.0 1.0) 1.0) (* (cos x) (log (exp (* (cos x) (cos x))))))

series192.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* (cos x) (cos x))
23.0ms
(log (exp (* (cos x) (cos x))))
62.0ms
(+ (* (cos x) (cos x)) (* 1.0 (cos x)))
88.0ms
(- (* (* 1.0 1.0) 1.0) (* (cos x) (log (exp (* (cos x) (cos x))))))

simplify2.7s

Counts
87 → 87
Iterations
IterNodes
done5001
22772
1406
0152

prune563.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 0.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.4b
(pow (cos x) 3)
0.5b
(+ (cos x) 1.0)
1.9b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
23×*-un-lft-identity
16×difference-of-squares
15×unpow-prod-down cube-prod
12×pow1
11×add-cube-cbrt
sqr-pow
add-log-exp
add-cbrt-cube add-exp-log
distribute-lft-out--
pow-unpow swap-sqr associate-*r* associate-*l*
pow2 cube-mult pow-to-exp difference-cubes +-commutative sqr-cos sum-log sub-neg pow-pow flip3-+ pow-plus flip3-- diff-log unpow3 pow-prod-down pow-exp prod-exp pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod flip-+ flip-- distribute-lft-out rem-cube-cbrt unswap-sqr
Counts
4 → 96
Calls
4 calls:
8.0ms
(* (cos x) (cos x))
3.0ms
(pow (cos x) 3)
5.0ms
(+ (cos x) 1.0)
32.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series149.0ms

Counts
4 → 12
Calls
4 calls:
30.0ms
(* (cos x) (cos x))
36.0ms
(pow (cos x) 3)
11.0ms
(+ (cos x) 1.0)
71.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify4.3s

Counts
108 → 108
Iterations
IterNodes
done5001
23372
1420
0154

prune508.0ms

Pruning

17 alts after pruning (15 fresh and 2 done)

Merged error: 0.1b

regimes219.0ms

Accuracy

98.9% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 30.2b

bsearch177.0ms

Steps
ItersRangePoint
9
5.1798647897020696e-05
160.65039477392645
0.021750215377787423
8
-0.9341403346610884
-0.003292329160956242
-0.02366290210440796

simplify10.0ms

Iterations
IterNodes
done58
158
043

end0.0ms

sample8.1s

Algorithm
intervals
Results
3.5s1619×body2560valid
2.9s2702×body1280valid
909.0ms1905×body640valid
295.0ms923×body320valid
99.0ms502×body160valid
75.0msbody5120valid
38.0ms345×body80valid