Details

Time bar (total: 41.4s)

sample165.0ms

Algorithm
intervals
Results
85.0ms71×body2560valid
23.0ms32×body1280valid
22.0ms41×body640valid
11.0ms28×body320valid
10.0ms72×body80valid
3.0ms12×body160valid

simplify26.0ms

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

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.5b

localize12.0ms

Local error

Found 2 expressions with local error:

1.9b
(- 1 (cos x))
18.9b
(/ (- 1 (cos x)) (* x x))

rewrite22.0ms

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:
5.0ms
(- 1 (cos x))
16.0ms
(/ (- 1 (cos x)) (* x x))

series86.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(- 1 (cos x))
57.0ms
(/ (- 1 (cos x)) (* x x))

simplify5.6s

Counts
53 → 53
Iterations
IterNodes
45731
31877
2652
1223
093

prune388.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
0.3b
(* (sin x) (sin x))
0.5b
(+ 1 (cos x))
19.1b
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

rewrite78.0ms

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:
31.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
15.0ms
(* (sin x) (sin x))
5.0ms
(+ 1 (cos x))
26.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

series186.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ (* (sin x) (sin x)) (+ 1 (cos x)))
31.0ms
(* (sin x) (sin x))
19.0ms
(+ 1 (cos x))
90.0ms
(/ (/ (* (sin x) (sin x)) (+ 1 (cos x))) (* x x))

simplify7.0s

Counts
127 → 127
Iterations
IterNodes
39290
21817
1494
0182

prune679.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 3 expressions with local error:

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

rewrite31.0ms

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:
15.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
8.0ms
(/ (sin x) x)
6.0ms
(/ (tan (/ x 2)) x)

series206.0ms

Counts
3 → 9
Calls
3 calls:
96.0ms
(* (/ (sin x) x) (/ (tan (/ x 2)) x))
36.0ms
(/ (sin x) x)
74.0ms
(/ (tan (/ x 2)) x)

simplify10.3s

Counts
117 → 117
Iterations
IterNodes
35944
21645
1444
0166

prune827.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize35.0ms

Local error

Found 3 expressions with local error:

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

rewrite64.0ms

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-*l*
cbrt-undiv associate-/r* div-exp
pow1
prod-exp tan-quot cbrt-unprod associate-/l*
associate-*r* insert-posit16 div-inv add-log-exp associate-/l/
frac-times clear-num frac-2neg associate-*l/ associate-*r/ unswap-sqr
pow-prod-down *-commutative
Counts
3 → 90
Calls
3 calls:
36.0ms
(/ (* (/ (sin x) x) (tan (/ x 2))) x)
8.0ms
(/ (sin x) x)
18.0ms
(* (/ (sin x) x) (tan (/ x 2)))

series311.0ms

Counts
3 → 9
Calls
3 calls:
113.0ms
(/ (* (/ (sin x) x) (tan (/ x 2))) x)
47.0ms
(/ (sin x) x)
151.0ms
(* (/ (sin x) x) (tan (/ x 2)))

simplify9.4s

Counts
99 → 99
Iterations
IterNodes
36327
21304
1371
0154

prune628.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes50.0ms

Accuracy

0% (0.1b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
29
19
08

end0.0ms

sample5.1s

Algorithm
intervals
Results
2.7s1655×body2560valid
774.0ms1216×body1280valid
753.0ms1458×body640valid
387.0ms916×body320valid
305.0ms2312×body80valid
99.0ms443×body160valid