Details

Time bar (total: 20.3s)

sample218.0ms

Algorithm
intervals
Results
87.0ms49×body2560valid
83.0ms81×body1280valid
24.0ms64×body640valid
9.0ms34×body320valid
3.0ms15×body160valid
1.0ms13×body80valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
1117
2147
3167
done167

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.7b

localize8.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.6b
(- 1.0 (cos x))

rewrite45.0ms

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:
35.0ms
(/ (- 1.0 (cos x)) (sin x))
7.0ms
(- 1.0 (cos x))

series87.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- 1.0 (cos x)) (sin x))
35.0ms
(- 1.0 (cos x))

simplify3.0s

Counts
58 → 58
Iterations

Useful iterations: 3 (992.0ms)

IterNodesCost
0106665
1240645
2805611
34711609
done5002609

prune249.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize22.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (/ (sin x) (- 1.0 (cos x))))
0.2b
(/ (sin x) (- 1.0 (cos x)))
2.6b
(- 1.0 (cos x))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×add-sqr-sqrt *-un-lft-identity
71×add-cube-cbrt
26×associate-/r*
17×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
div-exp
flip3-- flip-- div-inv associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp frac-2neg 1-exp clear-num
sub-neg pow-flip diff-log inv-pow
Counts
3 → 159
Calls
3 calls:
28.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
34.0ms
(/ (sin x) (- 1.0 (cos x)))
14.0ms
(- 1.0 (cos x))

series143.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
52.0ms
(/ (sin x) (- 1.0 (cos x)))
35.0ms
(- 1.0 (cos x))

simplify1.8s

Counts
168 → 168
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02392702
15832361
226542196
done50012092

prune373.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize24.0ms

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)))
2.0b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
2.6b
(- 1.0 (cos x))

rewrite114.0ms

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:
19.0ms
(/ (- 1.0 (cos x)) (sin x))
50.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
32.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
7.0ms
(- 1.0 (cos x))

series210.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(/ (- 1.0 (cos x)) (sin x))
61.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
56.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
38.0ms
(- 1.0 (cos x))

simplify621.0ms

Counts
124 → 124
Iterations

Useful iterations: done (617.0ms)

IterNodesCost
01631406
13181293
29521222
done50001218

prune424.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.1b

localize32.0ms

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))))
0.3b
(+ 1.0 (cos x))
0.4b
(pow (cos x) 3)
2.5b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite185.0ms

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:
120.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (sin x) (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
7.0ms
(+ 1.0 (cos x))
4.0ms
(pow (cos x) 3)
49.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series373.0ms

Counts
4 → 12
Calls
4 calls:
252.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (sin x) (+ (* (cos x) (+ 1.0 (cos x))) (* 1.0 1.0))))
19.0ms
(+ 1.0 (cos x))
42.0ms
(pow (cos x) 3)
59.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify2.7s

Counts
151 → 151
Iterations

Useful iterations: 2 (662.0ms)

IterNodesCost
02193074
16412891
233652723
done50012723

prune514.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.1b

regimes85.0ms

Accuracy

98.8% (0.3b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 30.4b

bsearch118.0ms

Steps
ItersRangePoint
8
0.01136632641909174
309.51167567074003
0.01746364724227396
10
-1950712569354.648
-0.00015980627971116164
-0.020806865409918218

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03774
14674
done4674

end0.0ms

sample8.8s

Algorithm
intervals
Results
4.3s1560×body2560valid
2.6s2767×body1280valid
929.0ms1892×body640valid
446.0ms952×body320valid
101.0ms479×body160valid
41.0ms346×body80valid
16.0msbody5120valid