Details

Time bar (total: 20.8s)

sample272.0ms

Algorithm
intervals
Results
106.0ms88×body1280valid
75.0ms27×body2560valid
51.0ms61×body640valid
16.0ms28×body320valid
7.0ms41×body80valid
4.0ms11×body160valid

simplify9.0ms

Counts
1 → 1

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 38.2b

localize14.0ms

Local error

Found 2 expressions with local error:

4.7b
(sin (+ x eps))
1.2b
(- (sin (+ x eps)) (sin x))

rewrite67.0ms

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:
Slowest
37.0ms
(sin (+ x eps))
29.0ms
(- (sin (+ x eps)) (sin x))

series95.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
62.0ms
(- (sin (+ x eps)) (sin x))
33.0ms
(sin (+ x eps))

simplify1.8s

Counts
32 → 32

prune280.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.2b

localize30.0ms

Local error

Found 3 expressions with local error:

4.6b
(cos (/ (+ x (+ x eps)) 2))
0.2b
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
0.0b
(+ x (+ x eps))

rewrite62.0ms

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-+ sin-cos-mult unswap-sqr
Counts
3 → 44
Calls
3 calls:
Slowest
26.0ms
(cos (/ (+ x (+ x eps)) 2))
20.0ms
(+ x (+ x eps))
14.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))

series145.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
74.0ms
(* (sin (/ eps 2)) (cos (/ (+ x (+ x eps)) 2)))
45.0ms
(cos (/ (+ x (+ x eps)) 2))
25.0ms
(+ x (+ x eps))

simplify2.9s

Counts
53 → 53

prune648.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.2b

localize47.0ms

Local error

Found 4 expressions with local error:

4.6b
(cos (/ (+ x (+ x eps)) 2))
4.6b
(cos (/ (+ x (+ x eps)) 2))
4.6b
(cos (/ (+ x (+ x eps)) 2))
0.5b
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 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 cbrt-div pow1/3 pow3 associate-*l/ cos-mult rem-cbrt-cube
Counts
4 → 36
Calls
4 calls:
Slowest
45.0ms
(cos (/ (+ x (+ x eps)) 2))
19.0ms
(cos (/ (+ x (+ x eps)) 2))
18.0ms
(cos (/ (+ x (+ x eps)) 2))
14.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))

series152.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
43.0ms
(cos (/ (+ x (+ x eps)) 2))
42.0ms
(cbrt (* (* (cos (/ (+ x (+ x eps)) 2)) (cos (/ (+ x (+ x eps)) 2))) (cos (/ (+ x (+ x eps)) 2))))
36.0ms
(cos (/ (+ x (+ x eps)) 2))
31.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.7s

Counts
48 → 48

prune646.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.2b

localize43.0ms

Local error

Found 4 expressions with local error:

4.6b
(cos (/ (+ x (+ x eps)) 2))
4.6b
(cos (/ (+ x (+ x eps)) 2))
4.6b
(cos (/ (+ x (+ x eps)) 2))
4.6b
(cos (/ (+ x (+ x eps)) 2))

rewrite114.0ms

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
Counts
4 → 32
Calls
4 calls:
Slowest
36.0ms
(cos (/ (+ x (+ x eps)) 2))
34.0ms
(cos (/ (+ x (+ x eps)) 2))
25.0ms
(cos (/ (+ x (+ x eps)) 2))
18.0ms
(cos (/ (+ x (+ x eps)) 2))

series135.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
35.0ms
(cos (/ (+ x (+ x eps)) 2))
34.0ms
(cos (/ (+ x (+ x eps)) 2))
33.0ms
(cos (/ (+ x (+ x eps)) 2))
33.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.4s

Counts
44 → 44

prune612.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.2b

regimes195.0ms

Accuracy

97.4% (0.4b remaining)

Error of 0.8b against oracle of 0.4b and baseline of 15.3b

bsearch259.0ms

end0.0ms

sample8.0s

Algorithm
intervals
Results
3.7s3308×body1280valid
1.8s635×body2560valid
1.7s1875×body640valid
346.0ms748×body320valid
140.0ms1072×body80valid
97.0ms362×body160valid