Details

Time bar (total: 20.9s)

sample247.0ms

Algorithm
intervals
Results
119.0ms115×body1280valid
44.0ms28×body320valid
34.0ms50×body640valid
25.0ms14×body2560valid
5.0ms34×body80valid
4.0ms15×body160valid

simplify14.0ms

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

localize27.0ms

Local error

Found 2 expressions with local error:

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

rewrite69.0ms

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:
13.0ms
(sin (+ x eps))
55.0ms
(- (sin (+ x eps)) (sin x))

series95.0ms

Counts
2 → 6
Calls
2 calls:
23.0ms
(sin (+ x eps))
72.0ms
(- (sin (+ x eps)) (sin x))

simplify2.9s

Counts
32 → 32
Iterations
IterNodes
done5016
54587
41727
3752
2305
1136
065

prune162.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ eps x))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2)))
2.1b
(cos (/ (+ x (+ eps x)) 2))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-log-exp
add-sqr-sqrt
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
sum-log associate-*r* associate-*l* insert-posit16 distribute-lft-out
+-commutative associate-+r+ flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
3 → 43
Calls
3 calls:
11.0ms
(+ x (+ eps x))
30.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2)))
24.0ms
(cos (/ (+ x (+ eps x)) 2))

series180.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(+ x (+ eps x))
113.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2)))
33.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.9s

Counts
52 → 52
Iterations
IterNodes
done5002
32448
2603
1211
089

prune290.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

localize63.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
2.1b
(cos (/ (+ x (+ eps x)) 2))
2.1b
(cos (/ (+ x (+ eps x)) 2))
2.1b
(cos (/ (+ x (+ eps x)) 2))

rewrite112.0ms

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 (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
39.0ms
(cos (/ (+ x (+ eps x)) 2))
43.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(cos (/ (+ x (+ eps x)) 2))

series290.0ms

Counts
4 → 12
Calls
4 calls:
202.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
26.0ms
(cos (/ (+ x (+ eps x)) 2))
37.0ms
(cos (/ (+ x (+ eps x)) 2))
26.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.7s

Counts
46 → 46
Iterations
IterNodes
done5002
42854
3799
2246
1132
064

prune394.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.6b

localize58.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
2.1b
(cos (/ (+ x (+ eps x)) 2))
2.1b
(cos (/ (+ x (+ eps x)) 2))
2.1b
(cos (/ (+ x (+ eps x)) 2))

rewrite94.0ms

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:
16.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
37.0ms
(cos (/ (+ x (+ eps x)) 2))
22.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(cos (/ (+ x (+ eps x)) 2))

series245.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
35.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
30.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify3.0s

Counts
46 → 46
Iterations
IterNodes
done5002
42854
3799
2246
1132
064

prune315.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.6b

regimes153.0ms

Accuracy

98.3% (0.3b remaining)

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

bsearch208.0ms

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

simplify9.0ms

Iterations
IterNodes
done37
137
026

end0.0ms

sample7.2s

Algorithm
intervals
Results
4.1s3310×body1280valid
1.3s1858×body640valid
1.0s618×body2560valid
287.0ms764×body320valid
207.0ms1111×body80valid
146.0ms339×body160valid