Details

Time bar (total: 20.0s)

sample306.0ms

Algorithm
intervals
Results
163.0ms57×body2560valid
79.0ms83×body1280valid
29.0ms55×body640valid
13.0ms36×body320valid
5.0ms18×body160valid
1.0msbody80valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
done16
316
214
111
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.1b

localize11.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.0b
(- 1.0 (cos x))

rewrite35.0ms

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:
27.0ms
(/ (- 1.0 (cos x)) (sin x))
5.0ms
(- 1.0 (cos x))

series96.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(/ (- 1.0 (cos x)) (sin x))
49.0ms
(- 1.0 (cos x))

simplify879.0ms

Counts
58 → 58
Iterations
IterNodes
done5000
2805
1240
0106

prune347.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 0.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (exp (log (- 1.0 (cos x)))) (sin x))
0.3b
(exp (log (- 1.0 (cos x))))
0.3b
(log (- 1.0 (cos x)))
2.0b
(- 1.0 (cos x))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
30×log-prod
25×exp-sum
24×times-frac add-cube-cbrt
associate-/l*
distribute-lft-out-- difference-of-squares
pow1 log-div add-cbrt-cube add-exp-log add-log-exp
exp-prod flip3-- exp-diff flip--
associate-/r*
log-pow associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp rem-log-exp div-inv rem-exp-log
Counts
4 → 98
Calls
4 calls:
30.0ms
(/ (exp (log (- 1.0 (cos x)))) (sin x))
11.0ms
(exp (log (- 1.0 (cos x))))
7.0ms
(log (- 1.0 (cos x)))
5.0ms
(- 1.0 (cos x))

series192.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(/ (exp (log (- 1.0 (cos x)))) (sin x))
30.0ms
(exp (log (- 1.0 (cos x))))
91.0ms
(log (- 1.0 (cos x)))
27.0ms
(- 1.0 (cos x))

simplify2.2s

Counts
110 → 110
Iterations
IterNodes
done5001
34209
2830
1302
0168

prune531.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize28.0ms

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)))
2.0b
(- 1.0 (cos x))

rewrite52.0ms

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-- div-inv flip-- associate-/l*
add-log-exp
pow1 cbrt-undiv
rec-exp clear-num frac-2neg 1-exp
sub-neg diff-log pow-flip inv-pow
Counts
3 → 159
Calls
3 calls:
21.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
13.0ms
(/ (sin x) (- 1.0 (cos x)))
5.0ms
(- 1.0 (cos x))

series154.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
73.0ms
(/ (sin x) (- 1.0 (cos x)))
36.0ms
(- 1.0 (cos x))

simplify2.1s

Counts
168 → 168
Iterations
IterNodes
done5004
22765
1583
0239

prune669.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 0.1b

localize37.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (sin x))
0.1b
(/ 1 (- 1.0 (cos x)))
0.2b
(/ (/ 1 (sin x)) (/ 1 (- 1.0 (cos x))))
2.0b
(- 1.0 (cos x))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
705×times-frac
396×add-sqr-sqrt *-un-lft-identity
302×add-cube-cbrt
52×add-exp-log
47×distribute-lft-out-- difference-of-squares
39×div-inv
36×div-exp
31×associate-/r/
29×associate-/r*
20×add-cbrt-cube
19×associate-/l*
16×flip3-- flip--
10×cbrt-undiv rec-exp 1-exp
pow1 add-log-exp
clear-num frac-2neg
pow-flip inv-pow
sub-neg diff-log associate-/l/
Counts
4 → 425
Calls
4 calls:
15.0ms
(/ 1 (sin x))
14.0ms
(/ 1 (- 1.0 (cos x)))
26.0ms
(/ (/ 1 (sin x)) (/ 1 (- 1.0 (cos x))))
9.0ms
(- 1.0 (cos x))

series162.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ 1 (sin x))
51.0ms
(/ 1 (- 1.0 (cos x)))
62.0ms
(/ (/ 1 (sin x)) (/ 1 (- 1.0 (cos x))))
23.0ms
(- 1.0 (cos x))

simplify1.8s

Counts
437 → 437
Iterations
IterNodes
done5000
11919
0576

prune1.1s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.1b

regimes279.0ms

Accuracy

99.1% (0.3b remaining)

Error of 0.5b against oracle of 0.2b and baseline of 31.0b

bsearch176.0ms

Steps
ItersRangePoint
10
2.777137017098532e-16
1126.7541422477805
0.020402141047047902
9
-0.042530208599811804
-3.2052418334402957e-07
-0.022089907824363444

simplify5.0ms

Iterations
IterNodes
done35
135
025

end0.0ms

sample8.6s

Algorithm
intervals
Results
3.9s1626×body2560valid
2.8s2727×body1280valid
1.1s1880×body640valid
494.0ms935×body320valid
110.0ms494×body160valid
38.0ms336×body80valid
10.0msbody5120valid