Details

Time bar (total: 20.0s)

sample167.0ms

Algorithm
intervals
Results
70.0ms93×body1280valid
36.0ms67×body640valid
34.0ms25×body2560valid
9.0ms25×body320valid
4.0ms36×body80valid
3.0ms10×body160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.3b

localize45.0ms

Local error

Found 2 expressions with local error:

0.8b
(- (sin (+ x eps)) (sin x))
1.9b
(sin (+ x eps))

rewrite42.0ms

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:
33.0ms
(- (sin (+ x eps)) (sin x))
9.0ms
(sin (+ x eps))

series75.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(- (sin (+ x eps)) (sin x))
28.0ms
(sin (+ x eps))

simplify2.6s

Counts
32 → 32
Iterations
IterNodes
done5001
54407
41723
3751
2308
1137
065

prune109.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.4b

localize40.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (+ x eps))
0.3b
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
2.0b
(cos (/ (+ x (+ x eps)) 2))

rewrite72.0ms

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:
11.0ms
(+ x (+ x eps))
22.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
39.0ms
(cos (/ (+ x (+ x eps)) 2))

series119.0ms

Counts
3 → 9
Calls
3 calls:
25.0ms
(+ x (+ x eps))
62.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
31.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.1s

Counts
53 → 53
Iterations
IterNodes
done5004
32890
2654
1221
092

prune318.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

localize62.0ms

Local error

Found 4 expressions with local error:

0.1b
(exp (cos (/ (+ x (+ x eps)) 2)))
0.3b
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
0.5b
(log (exp (cos (/ (+ x (+ x eps)) 2))))
2.0b
(cos (/ (+ x (+ x eps)) 2))

rewrite179.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity add-cube-cbrt
log-prod exp-prod
pow1 log-pow
associate-*r*
add-cbrt-cube add-exp-log
add-log-exp
insert-posit16
distribute-rgt-in distribute-lft-in associate-*l*
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 65
Calls
4 calls:
22.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
63.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
48.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
46.0ms
(cos (/ (+ x (+ x eps)) 2))

series171.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
60.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
31.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
28.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.8s

Counts
77 → 77
Iterations
IterNodes
done5006
43634
31389
2517
1231
0109

prune520.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.3b

localize43.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin (* 1/2 eps)) (log (log (exp (exp (cos (/ (+ x (+ x eps)) 2)))))))
0.5b
(exp (exp (cos (/ (+ x (+ x eps)) 2))))
0.5b
(log (log (exp (exp (cos (/ (+ x (+ x eps)) 2))))))
2.0b
(cos (/ (+ x (+ x eps)) 2))

rewrite123.0ms

Algorithm
rewrite-expression-head
Rules
21×log-prod
15×add-sqr-sqrt
14×log-pow
13×*-un-lft-identity add-cube-cbrt
12×exp-prod
11×pow1
distribute-rgt-in distribute-lft-in add-exp-log
add-cbrt-cube
add-log-exp
associate-*r* insert-posit16
associate-*l*
rem-log-exp pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr rem-exp-log
Counts
4 → 71
Calls
4 calls:
37.0ms
(* (sin (* 1/2 eps)) (log (log (exp (exp (cos (/ (+ x (+ x eps)) 2)))))))
48.0ms
(exp (exp (cos (/ (+ x (+ x eps)) 2))))
15.0ms
(log (log (exp (exp (cos (/ (+ x (+ x eps)) 2))))))
23.0ms
(cos (/ (+ x (+ x eps)) 2))

series261.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(* (sin (* 1/2 eps)) (log (log (exp (exp (cos (/ (+ x (+ x eps)) 2)))))))
106.0ms
(exp (exp (cos (/ (+ x (+ x eps)) 2))))
41.0ms
(log (log (exp (exp (cos (/ (+ x (+ x eps)) 2))))))
42.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.8s

Counts
83 → 83
Iterations
IterNodes
done5000
31922
2669
1277
0136

prune530.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 0.3b

regimes297.0ms

Accuracy

99.3% (0.1b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 14.2b

bsearch137.0ms

Steps
ItersRangePoint
7
4.263740854872979e-07
7.143616659564812e-05
4.3324917171030357e-07
6
-0.0005350557287305616
-5.532094628653386e-05
-5.6103683390120787e-05

simplify36.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample7.4s

Algorithm
intervals
Results
3.9s3263×body1280valid
1.7s1816×body640valid
968.0ms610×body2560valid
285.0ms770×body320valid
177.0ms342×body160valid
144.0ms1199×body80valid