Details

Time bar (total: 22.8s)

sample484.0ms

Algorithm
intervals
Results
168.0ms36×body5120valid
129.0ms69×body2560valid
103.0ms126×body1280valid
40.0ms79×body640valid
11.0ms30×body320valid
7.0ms62×body80valid
2.0msbody160valid

simplify27.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (26.0ms)

IterNodesCost
04413
114713
285712
3500211
done500211

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 41.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(pow (/ k t) 2.0)
0.8b
(* (pow t 3.0) (tan k))
20.2b
(/ (* 2.0 (* l l)) (* (* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k))) (sin k)))
31.7b
(* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k)))

rewrite169.0ms

Algorithm
rewrite-expression-head
Rules
337×add-exp-log
220×prod-exp
71×div-exp
65×add-cbrt-cube
51×pow-exp
34×pow-to-exp cbrt-unprod
30×unpow-prod-down
28×add-sqr-sqrt
24×associate-*l*
23×add-cube-cbrt *-un-lft-identity
19×times-frac
12×cbrt-undiv
pow1 associate-*r/
associate-*r* add-log-exp sqr-pow
tan-quot pow-unpow div-inv unswap-sqr
*-commutative
pow-pow frac-2neg associate-*l/ clear-num associate-/r* associate-/r/ associate-/l*
Counts
4 → 179
Calls
4 calls:
6.0ms
(pow (/ k t) 2.0)
15.0ms
(* (pow t 3.0) (tan k))
93.0ms
(/ (* 2.0 (* l l)) (* (* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k))) (sin k)))
42.0ms
(* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k)))

series942.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(pow (/ k t) 2.0)
239.0ms
(* (pow t 3.0) (tan k))
383.0ms
(/ (* 2.0 (* l l)) (* (* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k))) (sin k)))
252.0ms
(* (pow (/ k t) 2.0) (* (pow t 3.0) (tan k)))

simplify130.0ms

Counts
191 → 191
Iterations

Useful iterations: 1 (21.0ms)

IterNodesCost
09741954
149951620
250011620
done50011620

prune447.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 20.8b

localize21.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (sin k) (cos k))
0.4b
(* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k)))
8.6b
(* (pow k 2.0) (pow t 1.0))
20.2b
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k))) (sin k)))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
511×add-exp-log
330×prod-exp
134×pow-exp
127×div-exp
67×add-cbrt-cube
62×pow-to-exp
44×add-sqr-sqrt
30×cbrt-unprod
24×add-cube-cbrt *-un-lft-identity
21×times-frac
20×associate-*r*
17×cbrt-undiv
13×unpow-prod-down unswap-sqr
12×associate-*l*
11×sqr-pow
pow1 associate-/r* associate-/l* add-log-exp
div-inv
frac-2neg associate-*r/ clear-num *-commutative
quot-tan associate-*l/ associate-/r/
Counts
4 → 230
Calls
4 calls:
8.0ms
(/ (sin k) (cos k))
30.0ms
(* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k)))
16.0ms
(* (pow k 2.0) (pow t 1.0))
61.0ms
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k))) (sin k)))

series981.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ (sin k) (cos k))
257.0ms
(* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k)))
339.0ms
(* (pow k 2.0) (pow t 1.0))
365.0ms
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k 2.0) (pow t 1.0)) 1.0) (/ (sin k) (cos k))) (sin k)))

simplify50.0ms

Counts
242 → 242
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
011222925
150012543
done50012543

prune525.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 19.4b

localize23.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k))
0.3b
(/ (sin k) (cos k))
0.4b
(* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k)))
20.2b
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k)))

rewrite292.0ms

Algorithm
rewrite-expression-head
Rules
1794×add-exp-log
1372×prod-exp
590×pow-exp
370×div-exp
290×pow-to-exp
74×add-cbrt-cube
34×cbrt-unprod
29×add-sqr-sqrt
21×add-cube-cbrt *-un-lft-identity times-frac
18×cbrt-undiv
16×associate-*r*
pow1 associate-*l*
associate-/r* associate-/l* add-log-exp unswap-sqr
associate-*r/ div-inv sqr-pow
frac-2neg associate-*l/ clear-num *-commutative
unpow-prod-down quot-tan pow-prod-down associate-/r/
Counts
4 → 441
Calls
4 calls:
91.0ms
(* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k))
8.0ms
(/ (sin k) (cos k))
49.0ms
(* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k)))
92.0ms
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k)))

series905.0ms

Counts
4 → 12
Calls
4 calls:
260.0ms
(* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k))
20.0ms
(/ (sin k) (cos k))
257.0ms
(* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k)))
368.0ms
(/ (* 2.0 (* l l)) (* (* (pow (* (pow k (/ 2.0 2)) (* (pow k (/ 2.0 2)) (pow t 1.0))) 1.0) (/ (sin k) (cos k))) (sin k)))

simplify81.0ms

Counts
453 → 453
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
012467521
150015353
done50015353

prune470.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 13.0b

localize21.0ms

Local error

Found 4 expressions with local error:

2.8b
(/ l (pow (sin k) 2))
3.2b
(* (/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0)) (/ l (pow (sin k) 2)))
6.6b
(/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0))
8.6b
(* (pow k 2.0) (pow t 1.0))

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
495×add-exp-log
259×prod-exp
198×div-exp
192×pow-exp
102×pow-to-exp
68×add-sqr-sqrt
62×times-frac
44×add-cube-cbrt *-un-lft-identity
37×unpow-prod-down
35×associate-*r*
34×add-cbrt-cube
19×sqr-pow
16×associate-*l*
14×unswap-sqr
13×associate-/r*
10×cbrt-undiv cbrt-unprod
unpow2
pow1
div-inv associate-/l* add-log-exp
frac-2neg clear-num *-commutative
frac-times associate-*r/ pow-prod-down associate-*l/
Counts
4 → 297
Calls
4 calls:
9.0ms
(/ l (pow (sin k) 2))
58.0ms
(* (/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0)) (/ l (pow (sin k) 2)))
14.0ms
(/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0))
16.0ms
(* (pow k 2.0) (pow t 1.0))

series953.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(/ l (pow (sin k) 2))
331.0ms
(* (/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0)) (/ l (pow (sin k) 2)))
209.0ms
(/ (* 2.0 l) (pow (* (pow k 2.0) (pow t 1.0)) 1.0))
345.0ms
(* (pow k 2.0) (pow t 1.0))

simplify132.0ms

Counts
309 → 309
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
010933001
147672776
250012776
done50012776

prune678.0ms

Pruning

17 alts after pruning (17 fresh and 0 done)

Merged error: 7.4b

regimes423.0ms

Accuracy

72.2% (1.2b remaining)

Error of 9.2b against oracle of 8.0b and baseline of 12.2b

bsearch243.0ms

Steps
ItersRangePoint
8
5.202175949629937e+144
1.6197547301821798e+147
1.5960164217416833e+147
5
-2.519337225575135e+155
-6.95915484922881e+154
-7.116427264207922e+154

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04329
14329
done4329

end0.0ms

sample14.5s

Algorithm
intervals
Results
4.2s2169×body2560valid
4.2s947×body5120valid
3.5s4138×body1280valid
1.4s2505×body640valid
358.0ms976×body320valid
250.0ms2045×body80valid
103.0ms431×body160valid