Details

Time bar (total: 15.7s)

sample164.0ms

Algorithm
intervals
Results
87.0ms106×body1280valid
28.0ms21×body2560valid
25.0ms56×body640valid
5.0ms21×body320valid
3.0ms37×body80valid
3.0ms15×body160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.3b

localize20.0ms

Local error

Found 2 expressions with local error:

1.5b
(- (sin (+ x eps)) (sin x))
2.5b
(sin (+ x eps))

rewrite77.0ms

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:
64.0ms
(- (sin (+ x eps)) (sin x))
12.0ms
(sin (+ x eps))

series94.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(- (sin (+ x eps)) (sin x))
32.0ms
(sin (+ x eps))

simplify2.5s

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

prune154.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.6b

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)))
2.5b
(cos (/ (+ x (+ x eps)) 2))

rewrite69.0ms

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:
12.0ms
(+ x (+ x eps))
25.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
30.0ms
(cos (/ (+ x (+ x eps)) 2))

series116.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(+ x (+ x eps))
52.0ms
(* (sin (* 1/2 eps)) (cos (/ (+ x (+ x eps)) 2)))
25.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify2.4s

Counts
53 → 53
Iterations
IterNodes
done5004
32890
2654
1221
092

prune258.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0.5b

localize48.0ms

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)))))
0.4b
(log (exp (cos (/ (+ x (+ x eps)) 2))))
2.5b
(cos (/ (+ x (+ x eps)) 2))

rewrite144.0ms

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:
25.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
45.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
54.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
20.0ms
(cos (/ (+ x (+ x eps)) 2))

series167.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(exp (cos (/ (+ x (+ x eps)) 2)))
61.0ms
(* (sin (* 1/2 eps)) (log (exp (cos (/ (+ x (+ x eps)) 2)))))
25.0ms
(log (exp (cos (/ (+ x (+ x eps)) 2))))
30.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.9s

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

prune328.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0.5b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(pow E (cos (/ (+ x (+ x eps)) 2)))
0.3b
(* (sin (* 1/2 eps)) (log (pow E (cos (/ (+ x (+ x eps)) 2)))))
0.4b
(log (pow E (cos (/ (+ x (+ x eps)) 2))))
2.5b
(cos (/ (+ x (+ x eps)) 2))

rewrite122.0ms

Algorithm
rewrite-expression-head
Rules
21×log-prod
16×add-sqr-sqrt
14×*-un-lft-identity add-cube-cbrt
12×unpow-prod-down
add-exp-log
distribute-rgt-in pow1 distribute-lft-in
add-cbrt-cube
rem-log-exp associate-*r* pow-exp insert-posit16 add-log-exp sqr-pow
pow-unpow associate-*l*
pow-to-exp e-exp-1 log-pow
pow-pow pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 81
Calls
4 calls:
20.0ms
(pow E (cos (/ (+ x (+ x eps)) 2)))
38.0ms
(* (sin (* 1/2 eps)) (log (pow E (cos (/ (+ x (+ x eps)) 2)))))
35.0ms
(log (pow E (cos (/ (+ x (+ x eps)) 2))))
28.0ms
(cos (/ (+ x (+ x eps)) 2))

series242.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(pow E (cos (/ (+ x (+ x eps)) 2)))
91.0ms
(* (sin (* 1/2 eps)) (log (pow E (cos (/ (+ x (+ x eps)) 2)))))
60.0ms
(log (pow E (cos (/ (+ x (+ x eps)) 2))))
27.0ms
(cos (/ (+ x (+ x eps)) 2))

simplify1.5s

Counts
93 → 93
Iterations
IterNodes
done5018
32238
2674
1302
0132

prune345.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.5b

regimes175.0ms

Accuracy

99.5% (0.1b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 15.6b

bsearch120.0ms

Steps
ItersRangePoint
4
7.81566744931325e-09
1.2368458821499648e-08
1.1087986248072222e-08
11
-3168283.462966651
-1.7028068208877994e-13
-1.1998709236678226e-08

simplify6.0ms

Iterations
IterNodes
done37
137
028

end0.0ms

sample4.7s

Algorithm
intervals
Results
2.4s3281×body1280valid
1.1s629×body2560valid
757.0ms1826×body640valid
200.0ms762×body320valid
76.0ms1144×body80valid
50.0ms358×body160valid