Details

Time bar (total: 18.0s)

sample243.0ms

Algorithm
intervals
Results
102.0ms103×body1280valid
77.0ms70×body640valid
32.0ms16×body2560valid
11.0ms25×body320valid
6.0ms35×body80valid
2.0msbody160valid

simplify15.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
15.0ms
(- (sin (+ x eps)) (sin x))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.3b

localize27.0ms

Local error

Found 2 expressions with local error:

4.3b
(sin (+ x eps))
1.0b
(- (sin (+ x eps)) (sin x))

rewrite86.0ms

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
72.0ms
(- (sin (+ x eps)) (sin x))
14.0ms
(sin (+ x eps))

series82.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
49.0ms
(- (sin (+ x eps)) (sin x))
33.0ms
(sin (+ x eps))

simplify712.0ms

Counts
13 → 32
Calls
13 calls:
Slowest
346.0ms
(- eps (+ (* 1/2 (* x (pow eps 2))) (* 1/2 (* (pow x 2) eps))))
210.0ms
(- (+ x eps) (* 1/6 (pow x 3)))
55.0ms
(* (sin (/ (- (+ x eps) x) 2)) (cos (/ (+ (+ x eps) x) 2)))
28.0ms
(/ (exp (sin (+ x eps))) (exp (sin x)))
15.0ms
(- (sin (+ x eps)) (sin x))

prune278.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.7b

localize48.0ms

Local error

Found 3 expressions with local error:

4.5b
(cos (/ (+ x (+ eps x)) 2))
0.2b
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
0.0b
(+ x (+ eps x))

rewrite60.0ms

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:
Slowest
34.0ms
(cos (/ (+ x (+ eps x)) 2))
14.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
10.0ms
(+ x (+ eps x))

series200.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
117.0ms
(* (cos (/ (+ x (+ eps x)) 2)) (sin (/ eps 2)))
42.0ms
(cos (/ (+ x (+ eps x)) 2))
41.0ms
(+ x (+ eps x))

simplify1.3s

Counts
23 → 52
Calls
23 calls:
Slowest
358.0ms
(* (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))) (* (* (sin (/ eps 2)) (sin (/ eps 2))) (sin (/ eps 2))))
278.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
152.0ms
(- (* 1/2 eps) (+ (* 1/4 (* x (pow eps 2))) (* 1/4 (* (pow x 2) eps))))
60.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))
60.0ms
(* (cos (* 1/2 (+ (* 2 x) eps))) (sin (* 1/2 eps)))

prune652.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.6b

localize70.0ms

Local error

Found 4 expressions with local error:

4.5b
(cos (/ (+ x (+ eps x)) 2))
4.5b
(cos (/ (+ x (+ eps x)) 2))
4.5b
(cos (/ (+ x (+ eps x)) 2))
0.4b
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))

rewrite105.0ms

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
44.0ms
(cos (/ (+ x (+ eps x)) 2))
21.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
20.0ms
(cos (/ (+ x (+ eps x)) 2))
18.0ms
(cos (/ (+ x (+ eps x)) 2))

series134.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
37.0ms
(cos (/ (+ x (+ eps x)) 2))
37.0ms
(cbrt (* (* (cos (/ (+ x (+ eps x)) 2)) (cos (/ (+ x (+ eps x)) 2))) (cos (/ (+ x (+ eps x)) 2))))
34.0ms
(cos (/ (+ x (+ eps x)) 2))
26.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.6s

Counts
15 → 48
Calls
15 calls:
Slowest
296.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
286.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
284.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
252.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
60.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune659.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.6b

localize75.0ms

Local error

Found 4 expressions with local error:

4.5b
(cos (/ (+ x (+ eps x)) 2))
4.5b
(cos (/ (+ x (+ eps x)) 2))
4.5b
(cos (/ (+ x (+ eps x)) 2))
4.5b
(cos (/ (+ x (+ eps x)) 2))

rewrite133.0ms

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
43.0ms
(cos (/ (+ x (+ eps x)) 2))
39.0ms
(cos (/ (+ x (+ eps x)) 2))
30.0ms
(cos (/ (+ x (+ eps x)) 2))
19.0ms
(cos (/ (+ x (+ eps x)) 2))

series144.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
42.0ms
(cos (/ (+ x (+ eps x)) 2))
40.0ms
(cos (/ (+ x (+ eps x)) 2))
34.0ms
(cos (/ (+ x (+ eps x)) 2))
28.0ms
(cos (/ (+ x (+ eps x)) 2))

simplify1.4s

Counts
12 → 44
Calls
12 calls:
Slowest
290.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
267.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
263.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
254.0ms
(- 1 (+ (* 1/2 (* x eps)) (* 1/2 (pow x 2))))
61.0ms
(cos (* 1/2 (+ (* 2 x) eps)))

prune763.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 0.6b

regimes190.0ms

Accuracy

99.6% (0.1b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 15.2b

bsearch123.0ms

end0.0ms

sample9.0s

Algorithm
intervals
Results
4.4s3319×body1280valid
1.9s1876×body640valid
1.3s619×body2560valid
864.0ms760×body320valid
201.0ms1081×body80valid
101.0ms345×body160valid