Details

Time bar (total: 12.8s)

sample118.0ms

Algorithm
intervals
Results
55.0ms44×body2560valid
36.0ms88×body1280valid
12.0ms53×body640valid
5.0ms32×body320valid
3.0ms25×body160valid
1.0ms14×body80valid

simplify6.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
1117
2147
3167
done167

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.6b

localize7.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
1.9b
(- 1.0 (cos x))

rewrite13.0ms

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-exp-log add-cbrt-cube add-log-exp
associate-/r*
pow1 flip3-- flip-- associate-/l/
cbrt-undiv sub-neg frac-2neg diff-log div-sub div-exp clear-num div-inv
Counts
2 → 52
Calls
2 calls:
8.0ms
(/ (- 1.0 (cos x)) (sin x))
3.0ms
(- 1.0 (cos x))

series58.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(/ (- 1.0 (cos x)) (sin x))
18.0ms
(- 1.0 (cos x))

simplify2.0s

Counts
58 → 58
Iterations

Useful iterations: 4 (1.1s)

IterNodesCost
0106665
1235645
2525609
31299609
44031608
done5001608

prune157.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
0.3b
(exp (/ (- 1.0 (cos x)) (sin x)))
1.3b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
1.9b
(- 1.0 (cos x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt *-un-lft-identity
45×times-frac
38×exp-prod
33×add-cube-cbrt
20×log-pow
11×distribute-lft-out-- difference-of-squares
add-log-exp
add-exp-log add-cbrt-cube
pow1 associate-/l*
log-prod div-sub associate-/r* div-inv
flip3-- exp-diff flip-- associate-/l/
cbrt-undiv sub-neg log-div frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 112
Calls
4 calls:
8.0ms
(/ (- 1.0 (cos x)) (sin x))
12.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
17.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
3.0ms
(- 1.0 (cos x))

series133.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(/ (- 1.0 (cos x)) (sin x))
47.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
34.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
18.0ms
(- 1.0 (cos x))

simplify2.1s

Counts
124 → 124
Iterations

Useful iterations: 4 (1.2s)

IterNodesCost
01631406
13051293
26331220
315311218
446551217
done50001217

prune305.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.3b

localize9.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (sin x))
0.2b
(* (/ 1 (sin x)) (- 1.0 (cos x)))
1.9b
(- 1.0 (cos x))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
24×*-un-lft-identity
20×times-frac
19×add-cube-cbrt
16×add-exp-log
13×associate-*l*
10×add-cbrt-cube
pow1
associate-*r* add-log-exp
div-exp prod-exp
sub-neg flip3-- associate-/r* flip-- associate-/l* unswap-sqr
cbrt-undiv distribute-rgt-in frac-times rec-exp distribute-lft-in 1-exp associate-*r/ cbrt-unprod div-inv distribute-lft-out-- difference-of-squares
pow-flip frac-2neg diff-log pow-prod-down associate-*l/ clear-num *-commutative inv-pow
Counts
3 → 90
Calls
3 calls:
3.0ms
(/ 1 (sin x))
20.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
3.0ms
(- 1.0 (cos x))

series70.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(/ 1 (sin x))
34.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
19.0ms
(- 1.0 (cos x))

simplify1.5s

Counts
99 → 99
Iterations

Useful iterations: 2 (124.0ms)

IterNodesCost
01501020
1351878
2873782
32151782
done5001782

prune199.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 0.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (sin x) (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
0.4b
(pow (cos x) 3)
0.5b
(+ 1.0 (cos x))
1.7b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite80.0ms

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-+ associate-*r/ div-exp 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:
53.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (sin x) (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
2.0ms
(pow (cos x) 3)
3.0ms
(+ 1.0 (cos x))
16.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series256.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (sin x) (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
27.0ms
(pow (cos x) 3)
14.0ms
(+ 1.0 (cos x))
46.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify823.0ms

Counts
151 → 151
Iterations

Useful iterations: 2 (232.0ms)

IterNodesCost
02193074
15722887
221962723
done50002723

prune356.0ms

Pruning

21 alts after pruning (21 fresh and 0 done)

Merged error: 0.2b

regimes222.0ms

Accuracy

98.8% (0.4b remaining)

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

bsearch84.0ms

Steps
ItersRangePoint
9
3.182061564411226e-09
0.0591185632533196
0.024888732994626496
8
-0.04390830018224924
-1.7961213486546931e-06
-0.021181971530877853

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04494
15894
done5894

end0.0ms

sample4.3s

Algorithm
intervals
Results
2.1s1609×body2560valid
1.2s2698×body1280valid
433.0ms1887×body640valid
360.0ms953×body320valid
49.0ms472×body160valid
23.0ms378×body80valid
13.0msbody5120valid