Details

Time bar (total: 36.6s)

sample108.0ms

Algorithm
intervals
Results
34.0ms43×body2560valid
21.0ms39×body1280valid
18.0ms32×body320valid
17.0ms50×body640valid
7.0ms77×body80valid
3.0ms15×body160valid

simplify20.0ms

Counts
1 → 1
Iterations
IterNodes
528
428
326
221
113
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.7b

localize16.0ms

Local error

Found 2 expressions with local error:

2.1b
(- 1 (cos x))
13.5b
(/ (- 1 (cos x)) (* x x))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-cbrt-cube add-exp-log
times-frac associate-/l* difference-of-squares
add-log-exp
fma-neg distribute-lft-out--
expm1-log1p-u pow1 cbrt-undiv flip3-- div-exp log1p-expm1-u flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 61
Calls
2 calls:
10.0ms
(- 1 (cos x))
32.0ms
(/ (- 1 (cos x)) (* x x))

series142.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(- 1 (cos x))
99.0ms
(/ (- 1 (cos x)) (* x x))

simplify1.5s

Counts
67 → 67
Iterations
IterNodes
32884
2855
1286
0119

prune488.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.3b
(* (sin x) (sin x))
0.4b
(+ 1 (cos x))
13.5b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
32×add-cbrt-cube add-exp-log
25×*-un-lft-identity
22×times-frac
17×add-sqr-sqrt
15×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
expm1-log1p-u flip3-+ flip-+ log1p-expm1-u div-inv
fma-def 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 → 122
Calls
4 calls:
15.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
10.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
23.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series214.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
40.0ms
(* (sin x) (sin x))
20.0ms
(+ 1 (cos x))
90.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify8.0s

Counts
134 → 134
Iterations
IterNodes
39300
21849
1508
0186

prune1.1s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize31.0ms

Local error

Found 3 expressions with local error:

0.1b
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
0.1b
(/ (sin x) x)
0.2b
(/ (tan (/ x 2)) x)

rewrite36.0ms

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
expm1-log1p-u log1p-expm1-u add-log-exp
clear-num frac-2neg
frac-times pow-prod-down associate-*l/ tan-quot associate-*r/ *-commutative associate-/l/
Counts
3 → 111
Calls
3 calls:
21.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
7.0ms
(/ (sin x) x)
6.0ms
(/ (tan (/ x 2)) x)

series263.0ms

Counts
3 → 9
Calls
3 calls:
128.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
49.0ms
(/ (sin x) x)
86.0ms
(/ (tan (/ x 2)) x)

simplify10.1s

Counts
120 → 120
Iterations
IterNodes
35890
21652
1446
0169

prune1.1s

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (* (sin x) (/ (tan (/ x 2)) x)) x)
0.2b
(/ (tan (/ x 2)) x)
0.2b
(* (sin x) (/ (tan (/ x 2)) x))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
22×times-frac
21×*-un-lft-identity add-cube-cbrt
19×add-cbrt-cube add-exp-log
13×associate-*r*
cbrt-undiv associate-/r* div-exp
pow1
prod-exp cbrt-unprod associate-/l*
expm1-log1p-u associate-*l* log1p-expm1-u div-inv add-log-exp
clear-num frac-2neg associate-*r/ unswap-sqr associate-/l/
pow-prod-down tan-quot *-commutative
Counts
3 → 90
Calls
3 calls:
24.0ms
(/ (* (sin x) (/ (tan (/ x 2)) x)) x)
11.0ms
(/ (tan (/ x 2)) x)
21.0ms
(* (sin x) (/ (tan (/ x 2)) x))

series368.0ms

Counts
3 → 9
Calls
3 calls:
148.0ms
(/ (* (sin x) (/ (tan (/ x 2)) x)) x)
94.0ms
(/ (tan (/ x 2)) x)
126.0ms
(* (sin x) (/ (tan (/ x 2)) x))

simplify7.2s

Counts
99 → 99
Iterations
IterNodes
37227
21358
1365
0151

prune819.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes42.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations
IterNodes
29
19
08

end0.0ms

sample4.8s

Algorithm
intervals
Results
2.2s1540×body2560valid
857.0ms1498×body640valid
847.0ms1225×body1280valid
335.0ms926×body320valid
268.0ms2324×body80valid
111.0ms487×body160valid