Details

Time bar (total: 12.7s)

sample110.0ms

Algorithm
intervals
Results
48.0ms65×body2560valid
24.0ms37×body1280valid
15.0ms39×body640valid
6.0ms26×body320valid
5.0ms71×body80valid
3.0ms18×body160valid

simplify29.0ms

Counts
1 → 1
Iterations
IterNodes
done30
430
328
223
115
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize21.0ms

Local error

Found 2 expressions with local error:

2.2b
(- 1 (cos x))
18.3b
(/ (- 1 (cos x)) (* x x))

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
add-cbrt-cube add-exp-log
times-frac associate-/l* difference-of-squares
add-cube-cbrt add-log-exp
distribute-lft-out--
pow1 cbrt-undiv flip3-- div-exp insert-posit16 flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 47
Calls
2 calls:
11.0ms
(- 1 (cos x))
51.0ms
(/ (- 1 (cos x)) (* x x))

series129.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(- 1 (cos x))
91.0ms
(/ (- 1 (cos x)) (* x x))

simplify1.2s

Counts
53 → 53
Iterations
IterNodes
done2002
32002
2707
1230
093

prune249.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.2b
(* (sin x) (sin x))
0.3b
(+ 1 (cos x))
18.4b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
24×*-un-lft-identity
22×times-frac
16×add-sqr-sqrt
14×add-cube-cbrt
12×cbrt-undiv div-exp
11×pow1 associate-/l*
prod-exp cbrt-unprod
associate-/r/ add-log-exp
associate-/r* distribute-lft-out
flip3-+ flip-+ insert-posit16 div-inv
div-sub swap-sqr associate-*r* associate-*l* sqr-sin
clear-num frac-2neg sin-mult associate-/l/
pow2 +-commutative sum-log pow-plus pow-prod-down pow-sqr *-commutative pow-prod-up unswap-sqr
Counts
4 → 115
Calls
4 calls:
28.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
10.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
32.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series205.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
20.0ms
(* (sin x) (sin x))
17.0ms
(+ 1 (cos x))
116.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify1.4s

Counts
127 → 127
Iterations
IterNodes
done2000
32000
21801
1507
0182

prune467.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0b

localize36.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
0.1b
(/ (tan (/ x 2)) x)
0.1b
(/ (sin x) x)

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
40×times-frac
33×*-un-lft-identity add-cube-cbrt
19×add-cbrt-cube add-exp-log
13×associate-*r* associate-*l*
cbrt-undiv associate-/r* div-exp associate-/l*
pow1
prod-exp cbrt-unprod div-inv unswap-sqr
insert-posit16 add-log-exp
clear-num frac-2neg
frac-times pow-prod-down associate-*l/ tan-quot associate-*r/ *-commutative associate-/l/
Counts
3 → 108
Calls
3 calls:
28.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
11.0ms
(/ (tan (/ x 2)) x)
13.0ms
(/ (sin x) x)

series249.0ms

Counts
3 → 9
Calls
3 calls:
119.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
73.0ms
(/ (tan (/ x 2)) x)
57.0ms
(/ (sin x) x)

simplify1.1s

Counts
117 → 117
Iterations
IterNodes
done2014
32014
21539
1448
0166

prune523.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
0.1b
(/ (sin x) x)
0.1b
(* (cos (* 1/2 x)) x)
0.1b
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
34×add-cbrt-cube add-exp-log
32×add-sqr-sqrt
25×*-un-lft-identity times-frac add-cube-cbrt
16×associate-*l*
10×cbrt-undiv div-exp associate-*r* prod-exp cbrt-unprod
pow1
associate-/l*
associate-/r* insert-posit16 div-inv add-log-exp
unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative
frac-times associate-*l/ associate-*r/
Counts
4 → 116
Calls
4 calls:
54.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
17.0ms
(/ (sin x) x)
15.0ms
(* (cos (* 1/2 x)) x)
20.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

series327.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(* (/ (sin x) x) (/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x)))
58.0ms
(/ (sin x) x)
42.0ms
(* (cos (* 1/2 x)) x)
75.0ms
(/ (sin (* 1/2 x)) (* (cos (* 1/2 x)) x))

simplify1.4s

Counts
128 → 128
Iterations
IterNodes
done2001
32001
21899
1477
0184

prune512.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes36.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done9
19
08

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.6s1665×body2560valid
771.0ms1500×body640valid
768.0ms1241×body1280valid
464.0ms484×body160valid
290.0ms2208×body80valid
259.0ms902×body320valid