Details

Time bar (total: 15.4s)

sample254.0ms

Algorithm
intervals
Results
114.0ms56×body2560valid
85.0ms79×body1280valid
26.0ms58×body640valid
11.0ms38×body320valid
3.0ms17×body160valid
1.0msbody80valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done16
316
214
111
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.5b

localize13.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.1b
(- 1.0 (cos x))

rewrite40.0ms

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:
28.0ms
(/ (- 1.0 (cos x)) (sin x))
10.0ms
(- 1.0 (cos x))

series112.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (- 1.0 (cos x)) (sin x))
50.0ms
(- 1.0 (cos x))

simplify501.0ms

Counts
58 → 58
Iterations
IterNodes
done5000
2805
1240
0106

prune343.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.2b

localize29.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (+ (* x (* x 1/24)) 1/2))
0.1b
(* 1/240 (pow x 5))
0.1b
(* x (* x 1/24))
0.4b
(* x 1/24)

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
21×add-sqr-sqrt
18×add-exp-log
15×add-cbrt-cube
14×associate-*r*
13×pow1
12×*-un-lft-identity associate-*l* add-cube-cbrt
prod-exp
cbrt-unprod
pow-prod-down unswap-sqr
unpow-prod-down *-commutative add-log-exp
associate-*r/ sqr-pow
distribute-rgt-in pow-to-exp distribute-lft-in flip3-+ pow-exp flip-+
Counts
4 → 83
Calls
4 calls:
78.0ms
(* x (+ (* x (* x 1/24)) 1/2))
17.0ms
(* 1/240 (pow x 5))
12.0ms
(* x (* x 1/24))
6.0ms
(* x 1/24)

series313.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(* x (+ (* x (* x 1/24)) 1/2))
85.0ms
(* 1/240 (pow x 5))
42.0ms
(* x (* x 1/24))
29.0ms
(* x 1/24)

simplify879.0ms

Counts
95 → 95
Iterations
IterNodes
done5001
21637
1358
0130

prune449.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.2b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
0.2b
(exp (/ (- 1.0 (cos x)) (sin x)))
1.5b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
2.1b
(- 1.0 (cos x))

rewrite70.0ms

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-cbrt-cube add-exp-log
pow1 associate-/l*
log-prod associate-/r* div-sub div-inv
flip3-- exp-diff flip-- associate-/l/
cbrt-undiv log-div clear-num sub-neg frac-2neg diff-log div-exp rem-log-exp rem-exp-log
Counts
4 → 112
Calls
4 calls:
14.0ms
(/ (- 1.0 (cos x)) (sin x))
17.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
30.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
5.0ms
(- 1.0 (cos x))

series170.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(/ (- 1.0 (cos x)) (sin x))
47.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
49.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
32.0ms
(- 1.0 (cos x))

simplify535.0ms

Counts
124 → 124
Iterations
IterNodes
done5000
2962
1318
0163

prune651.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.2b

localize20.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (sin x))
0.2b
(* (/ 1 (sin x)) (- 1.0 (cos x)))
2.1b
(- 1.0 (cos x))

rewrite61.0ms

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
associate-/r* sub-neg flip3-- flip-- associate-/l* unswap-sqr
distribute-rgt-in frac-times cbrt-undiv rec-exp distribute-lft-in 1-exp associate-*r/ cbrt-unprod div-inv distribute-lft-out-- difference-of-squares
clear-num frac-2neg diff-log pow-prod-down associate-*l/ *-commutative pow-flip inv-pow
Counts
3 → 90
Calls
3 calls:
5.0ms
(/ 1 (sin x))
45.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
8.0ms
(- 1.0 (cos x))

series109.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(/ 1 (sin x))
53.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
26.0ms
(- 1.0 (cos x))

simplify1.6s

Counts
99 → 99
Iterations
IterNodes
done5004
22400
1380
0150

prune287.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.2b

regimes251.0ms

Accuracy

98.8% (0.4b remaining)

Error of 0.6b against oracle of 0.2b and baseline of 32.2b

bsearch133.0ms

Steps
ItersRangePoint
10
5.09324609688744e-06
47495130.80298876
0.022350989698977898
10
-1138.2876542095912
-1.6260248627107784e-07
-0.01927343743819967

simplify10.0ms

Iterations
IterNodes
done48
148
039

end0.0ms

sample8.4s

Algorithm
intervals
Results
3.3s1579×body2560valid
2.8s2757×body1280valid
1.1s1907×body640valid
792.0ms945×body320valid
97.0ms323×body80valid
94.0ms487×body160valid
18.0msbody5120valid