Details

Time bar (total: 19.3s)

sample75.0ms

Algorithm
intervals
Results
49.0ms256×body80valid
10.0ms256×pre80true

simplify4.9s

Counts
1 → 1
Iterations
IterNodes
44030
3698
2152
133
010

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.3b
(/ 1/4 (- 4 (/ 1.0 (* i i))))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt
25×times-frac
23×*-un-lft-identity
15×add-cube-cbrt
add-cbrt-cube add-exp-log
difference-of-squares
associate-/r*
associate-/l*
distribute-lft-out--
cbrt-undiv div-exp
expm1-log1p-u pow1 clear-num frac-2neg associate-/r/ insert-posit16 log1p-expm1-u div-inv add-log-exp
flip3-- prod-exp cbrt-unprod flip--
Counts
2 → 68
Calls
2 calls:
7.0ms
(/ 1.0 (* i i))
17.0ms
(/ 1/4 (- 4 (/ 1.0 (* i i))))

series93.0ms

Counts
2 → 6
Calls
2 calls:
29.0ms
(/ 1.0 (* i i))
63.0ms
(/ 1/4 (- 4 (/ 1.0 (* i i))))

simplify957.0ms

Counts
74 → 74
Iterations
IterNodes
32511
2778
1309
0145

prune566.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0b

localize33.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.2b
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
0.3b
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
102×add-sqr-sqrt
90×times-frac
71×*-un-lft-identity
45×add-cube-cbrt
42×associate-*r*
40×cbrt-prod
26×difference-of-squares
22×add-exp-log
15×add-cbrt-cube
13×distribute-lft-out--
associate-/l*
pow1
associate-/r* prod-exp cbrt-unprod
cbrt-undiv div-exp
associate-/r/
expm1-log1p-u pow-prod-down insert-posit16 log1p-expm1-u div-inv add-log-exp unswap-sqr
clear-num frac-2neg flip3-- flip--
associate-*l* associate-*r/ *-commutative
Counts
3 → 157
Calls
3 calls:
10.0ms
(/ 1.0 (* i i))
53.0ms
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
18.0ms
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

series308.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(/ 1.0 (* i i))
161.0ms
(* (* (cbrt 1/4) (cbrt 1/4)) (/ (cbrt 1/4) (- 4 (/ 1.0 (* i i)))))
119.0ms
(/ (cbrt 1/4) (- 4 (/ 1.0 (* i i))))

simplify885.0ms

Counts
166 → 166
Iterations
IterNodes
22487
1707
0251

prune1.4s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (* i i) 0.25 (fma (* (* (* i i) (* i i)) (* i i)) 4.0 (* (* (* i i) (* i i)) 1.0)))
0.1b
(* (* (* i i) (* i i)) (* i i))
0.2b
(* (* i i) (* i i))
0.2b
(* (* i i) (* i i))

rewrite197.0ms

Algorithm
rewrite-expression-head
Rules
891×pow1
378×pow-prod-up
190×pow-prod-down
163×pow-plus
159×pow-sqr
102×pow2
69×add-cbrt-cube add-exp-log
47×prod-exp cbrt-unprod
add-sqr-sqrt expm1-log1p-u *-un-lft-identity add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
associate-*r* associate-*l* *-commutative unswap-sqr
swap-sqr
pow3 fma-udef
Counts
4 → 354
Calls
4 calls:
0.0ms
(fma (* i i) 0.25 (fma (* (* (* i i) (* i i)) (* i i)) 4.0 (* (* (* i i) (* i i)) 1.0)))
129.0ms
(* (* (* i i) (* i i)) (* i i))
26.0ms
(* (* i i) (* i i))
30.0ms
(* (* i i) (* i i))

series261.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(fma (* i i) 0.25 (fma (* (* (* i i) (* i i)) (* i i)) 4.0 (* (* (* i i) (* i i)) 1.0)))
64.0ms
(* (* (* i i) (* i i)) (* i i))
56.0ms
(* (* i i) (* i i))
47.0ms
(* (* i i) (* i i))

simplify4.1s

Counts
366 → 366
Iterations
IterNodes
34704
2911
1303
0139

prune769.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1.0 (* i i))
0.2b
(/ 1.0 (* i i))
0.2b
(/ 1.0 (* i i))
27.1b
(* (/ 1/4 (- 16 (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
24×add-cbrt-cube add-exp-log
22×times-frac
21×*-un-lft-identity
19×add-cube-cbrt
18×associate-*l*
associate-/l*
cbrt-undiv div-exp
pow1
prod-exp cbrt-unprod
expm1-log1p-u associate-*r* insert-posit16 log1p-expm1-u div-inv add-log-exp
clear-num associate-/r* frac-2neg difference-of-squares
frac-times flip3-+ associate-*r/ associate-/r/ flip-+ unswap-sqr
distribute-rgt-in distribute-lft-in flip3-- pow-prod-down associate-*l/ *-commutative flip-- distribute-lft-out
Counts
4 → 119
Calls
4 calls:
9.0ms
(/ 1.0 (* i i))
7.0ms
(/ 1.0 (* i i))
9.0ms
(/ 1.0 (* i i))
51.0ms
(* (/ 1/4 (- 16 (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

series255.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ 1.0 (* i i))
34.0ms
(/ 1.0 (* i i))
28.0ms
(/ 1.0 (* i i))
137.0ms
(* (/ 1/4 (- 16 (* (/ 1.0 (* i i)) (/ 1.0 (* i i))))) (+ 4 (/ 1.0 (* i i))))

simplify1.3s

Counts
131 → 131
Iterations
IterNodes
22275
1577
0172

prune990.0ms

Pruning

3 alts after pruning (0 fresh and 3 done)

Merged error: 0b

regimes29.0ms

Accuracy

0% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
212
112
011

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.1s8000×body80valid
629.0ms8000×pre80true