Details

Time bar (total: 18.5s)

sample181.0ms

Algorithm
intervals
Results
89.0ms115×body1280valid
28.0ms28×body320valid
26.0ms50×body640valid
19.0ms14×body2560valid
4.0ms34×body80valid
3.0ms15×body160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.5b

localize13.0ms

Local error

Found 2 expressions with local error:

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

rewrite84.0ms

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:
17.0ms
(sin (+ x eps))
67.0ms
(- (sin (+ x eps)) (sin x))

series107.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(sin (+ x eps))
75.0ms
(- (sin (+ x eps)) (sin x))

simplify3.5s

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

prune133.0ms

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:
16.0ms
(+ x (+ eps x))
19.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2)))
29.0ms
(cos (/ (+ x (+ eps x)) 2))

series152.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(+ x (+ eps x))
91.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2)))
31.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.7s

Counts
52 → 52
Iterations
IterNodes
done5002
32448
2603
1211
089

prune349.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.6b

localize42.0ms

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))

rewrite102.0ms

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:
10.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
32.0ms
(cos (/ (+ x (+ eps x)) 2))
36.0ms
(cos (/ (+ x (+ eps x)) 2))
23.0ms
(cos (/ (+ x (+ eps x)) 2))

series227.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
28.0ms
(cos (/ (+ x (+ eps x)) 2))
33.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.9s

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

prune397.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.6b

localize67.0ms

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))

rewrite97.0ms

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 (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
32.0ms
(cos (/ (+ x (+ eps x)) 2))
22.0ms
(cos (/ (+ x (+ eps x)) 2))
34.0ms
(cos (/ (+ x (+ eps x)) 2))

series249.0ms

Counts
4 → 12
Calls
4 calls:
156.0ms
(cbrt (* (cos (/ (+ x (+ eps x)) 2)) (sin (* eps 1/2))))
25.0ms
(cos (/ (+ x (+ eps x)) 2))
33.0ms
(cos (/ (+ x (+ eps x)) 2))
35.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify2.5s

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

prune354.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.6b

regimes150.0ms

Accuracy

98.3% (0.3b remaining)

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

bsearch149.0ms

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

simplify7.0ms

Iterations
IterNodes
done37
137
026

end0.0ms

sample5.0s

Algorithm
intervals
Results
2.9s3310×body1280valid
817.0ms1858×body640valid
744.0ms618×body2560valid
242.0ms764×body320valid
83.0ms1111×body80valid
81.0ms339×body160valid