Details

Time bar (total: 19.3s)

sample185.0ms

Algorithm
intervals
Results
83.0ms115×body1280valid
56.0ms50×body640valid
18.0ms14×body2560valid
10.0ms28×body320valid
4.0ms34×body80valid
4.0ms15×body160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.5b

localize26.0ms

Local error

Found 2 expressions with local error:

1.8b
(sin (+ x eps))
2.0b
(- (sin (+ x eps)) (sin x))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube sin-sum add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-sin associate--l+ flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 26
Calls
2 calls:
8.0ms
(sin (+ x eps))
57.0ms
(- (sin (+ x eps)) (sin x))

series102.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(sin (+ x eps))
71.0ms
(- (sin (+ x eps)) (sin x))

simplify1.7s

Counts
32 → 32
Iterations
IterNodes
done5001
42173
3849
2313
1136
065

prune152.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize47.0ms

Local error

Found 2 expressions with local error:

0.2b
(* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2)))
2.1b
(cos (/ (+ eps (+ x x)) 2))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-*r* associate-*l*
insert-posit16 add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
2 → 27
Calls
2 calls:
11.0ms
(* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2)))
33.0ms
(cos (/ (+ eps (+ x x)) 2))

series116.0ms

Counts
2 → 6
Calls
2 calls:
77.0ms
(* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2)))
39.0ms
(cos (/ (+ eps (+ x x)) 2))

simplify2.0s

Counts
33 → 33
Iterations
IterNodes
done5003
42841
31099
2363
1138
065

prune188.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

localize62.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
2.1b
(cos (/ (+ eps (+ x x)) 2))
2.1b
(cos (/ (+ eps (+ x x)) 2))
2.1b
(cos (/ (+ eps (+ x x)) 2))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
cbrt-prod pow1/3
Counts
4 → 34
Calls
4 calls:
9.0ms
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
39.0ms
(cos (/ (+ eps (+ x x)) 2))
37.0ms
(cos (/ (+ eps (+ x x)) 2))
45.0ms
(cos (/ (+ eps (+ x x)) 2))

series221.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
35.0ms
(cos (/ (+ eps (+ x x)) 2))
25.0ms
(cos (/ (+ eps (+ x x)) 2))
43.0ms
(cos (/ (+ eps (+ x x)) 2))

simplify2.3s

Counts
46 → 46
Iterations
IterNodes
done5001
43165
3781
2246
1120
060

prune414.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.6b

localize56.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
2.1b
(cos (/ (+ eps (+ x x)) 2))
2.1b
(cos (/ (+ eps (+ x x)) 2))
2.1b
(cos (/ (+ eps (+ x x)) 2))

rewrite131.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 add-log-exp
cbrt-prod pow1/3
Counts
4 → 34
Calls
4 calls:
8.0ms
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
43.0ms
(cos (/ (+ eps (+ x x)) 2))
39.0ms
(cos (/ (+ eps (+ x x)) 2))
40.0ms
(cos (/ (+ eps (+ x x)) 2))

series261.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(cbrt (* (cos (/ (+ eps (+ x x)) 2)) (sin (/ eps 2))))
38.0ms
(cos (/ (+ eps (+ x x)) 2))
37.0ms
(cos (/ (+ eps (+ x x)) 2))
40.0ms
(cos (/ (+ eps (+ x x)) 2))

simplify2.2s

Counts
46 → 46
Iterations
IterNodes
done5001
43165
3781
2246
1120
060

prune324.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.6b

regimes159.0ms

Accuracy

98.3% (0.3b remaining)

Error of 0.6b against oracle of 0.4b and baseline of 15.3b

bsearch261.0ms

Steps
ItersRangePoint
8
6.0329627772416755e-24
1.9249297628844816e-20
1.8942327691411048e-20
9
-5.984165099293203e-09
-2.0017119239229129e-16
-5.893930927518443e-09

simplify10.0ms

Iterations
IterNodes
done34
134
025

end0.0ms

sample8.2s

Algorithm
intervals
Results
4.1s3310×body1280valid
1.6s1858×body640valid
1.2s618×body2560valid
508.0ms1111×body80valid
394.0ms764×body320valid
123.0ms339×body160valid