Details

Time bar (total: 19.3s)

sample223.0ms

Algorithm
intervals
Results
102.0ms57×body2560valid
73.0ms83×body1280valid
21.0ms55×body640valid
9.0ms36×body320valid
3.0ms18×body160valid
1.0msbody80valid

simplify12.0ms

Counts
1 → 1
Iterations
IterNodes
done16
316
214
111
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.1b

localize19.0ms

Local error

Found 2 expressions with local error:

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

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/l* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log add-log-exp
associate-/r* fma-neg
expm1-log1p-u pow1 flip3-- log1p-expm1-u flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 68
Calls
2 calls:
15.0ms
(/ (- 1.0 (cos x)) (sin x))
7.0ms
(- 1.0 (cos x))

series126.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ (- 1.0 (cos x)) (sin x))
59.0ms
(- 1.0 (cos x))

simplify1.1s

Counts
74 → 74
Iterations
IterNodes
done5001
21211
1309
0134

prune398.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 0.2b

localize38.0ms

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))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt *-un-lft-identity
31×add-cube-cbrt
30×log-prod
25×exp-sum
24×times-frac
prod-diff
associate-/l*
distribute-lft-out-- difference-of-squares
pow1 log-div add-cbrt-cube add-exp-log add-log-exp
expm1-log1p-u exp-prod flip3-- exp-diff log1p-expm1-u flip--
associate-/r* fma-neg
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 → 118
Calls
4 calls:
17.0ms
(/ (exp (log (- 1.0 (cos x)))) (sin x))
11.0ms
(exp (log (- 1.0 (cos x))))
11.0ms
(log (- 1.0 (cos x)))
11.0ms
(- 1.0 (cos x))

series203.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ (exp (log (- 1.0 (cos x)))) (sin x))
33.0ms
(exp (log (- 1.0 (cos x))))
85.0ms
(log (- 1.0 (cos x)))
32.0ms
(- 1.0 (cos x))

simplify1.3s

Counts
130 → 130
Iterations
IterNodes
done5000
21284
1373
0200

prune709.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 0.1b

localize13.0ms

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))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
112×add-sqr-sqrt *-un-lft-identity
78×add-cube-cbrt
26×associate-/r*
17×distribute-lft-out-- difference-of-squares
16×add-exp-log
11×associate-/r/
10×add-cbrt-cube
prod-diff
div-exp
flip3-- div-inv flip-- associate-/l*
add-log-exp
pow1 cbrt-undiv
expm1-log1p-u fma-neg log1p-expm1-u
rec-exp clear-num frac-2neg 1-exp
sub-neg diff-log pow-flip inv-pow
Counts
3 → 177
Calls
3 calls:
18.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
19.0ms
(/ (sin x) (- 1.0 (cos x)))
6.0ms
(- 1.0 (cos x))

series129.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(/ 1 (/ (sin x) (- 1.0 (cos x))))
56.0ms
(/ (sin x) (- 1.0 (cos x)))
26.0ms
(- 1.0 (cos x))

simplify1.9s

Counts
186 → 186
Iterations
IterNodes
done5000
23505
1656
0269

prune788.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.1b

localize36.0ms

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))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
705×times-frac
403×add-sqr-sqrt *-un-lft-identity
309×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
prod-diff
pow1 add-log-exp
expm1-log1p-u log1p-expm1-u
clear-num frac-2neg fma-neg
pow-flip inv-pow
sub-neg diff-log associate-/l/
Counts
4 → 445
Calls
4 calls:
5.0ms
(/ 1 (sin x))
9.0ms
(/ 1 (- 1.0 (cos x)))
37.0ms
(/ (/ 1 (sin x)) (/ 1 (- 1.0 (cos x))))
11.0ms
(- 1.0 (cos x))

series154.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ 1 (sin x))
34.0ms
(/ 1 (- 1.0 (cos x)))
63.0ms
(/ (/ 1 (sin x)) (/ 1 (- 1.0 (cos x))))
31.0ms
(- 1.0 (cos x))

simplify1.8s

Counts
457 → 457
Iterations
IterNodes
done5000
12073
0608

prune1.2s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.1b

regimes217.0ms

Accuracy

99.1% (0.3b remaining)

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

bsearch99.0ms

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

simplify5.0ms

Iterations
IterNodes
done32
132
024

end0.0ms

sample8.5s

Algorithm
intervals
Results
3.5s1626×body2560valid
3.1s2727×body1280valid
1.1s1880×body640valid
365.0ms935×body320valid
158.0ms494×body160valid
89.0ms336×body80valid
8.0msbody5120valid