Details

Time bar (total: 16.4s)

sample36.0ms

Algorithm
intervals
Results
18.0ms256×body80valid
5.0ms256×pre80true

simplify6.0s

Counts
1 → 1
Iterations

Useful iterations: 4 (3.7s)

IterNodesCost
01025
13225
216823
389419
4335315
done500015

prune11.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.5b

localize17.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ 1.0 (* i i))
0.5b
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))

rewrite154.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log
16×add-cbrt-cube
10×prod-exp
pow1 div-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/l*
cbrt-undiv
cbrt-unprod
rec-exp pow-flip 1-exp pow-prod-down
expm1-log1p-u frac-2neg associate-*l/ clear-num associate-/r* associate-/r/ log1p-expm1-u div-inv add-log-exp
flip3-- flip-- inv-pow
Counts
2 → 60
Calls
2 calls:
20.0ms
(/ 1.0 (* i i))
129.0ms
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))

series107.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ 1.0 (* i i))
70.0ms
(/ 1 (* (- (* 2.0 2.0) (/ 1.0 (* i i))) (* 2.0 2.0)))

simplify3.0s

Counts
66 → 66
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
0136944
1322853
2943732
33845730
done5001730

prune120.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (/ 1.0 i) i)
0.5b
(/ 1 (* (- (* 2.0 2.0) (/ (/ 1.0 i) i)) (* 2.0 2.0)))

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
46×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
28×add-exp-log
16×add-cbrt-cube associate-/l*
div-exp prod-exp
pow1
cbrt-undiv div-inv
associate-/r*
rec-exp pow-flip 1-exp pow-prod-down cbrt-unprod
expm1-log1p-u frac-2neg associate-*l/ clear-num associate-/r/ log1p-expm1-u add-log-exp
flip3-- flip-- associate-/l/ inv-pow
Counts
2 → 109
Calls
2 calls:
11.0ms
(/ (/ 1.0 i) i)
136.0ms
(/ 1 (* (- (* 2.0 2.0) (/ (/ 1.0 i) i)) (* 2.0 2.0)))

series128.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ (/ 1.0 i) i)
91.0ms
(/ 1 (* (- (* 2.0 2.0) (/ (/ 1.0 i) i)) (* 2.0 2.0)))

simplify3.2s

Counts
115 → 115
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
02331621
15291492
213141339
346301323
done50001323

prune297.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma 0.25 (* i i) (fma 1.0 (pow i 4) (* 4.0 (pow i 6))))
0.0b
(fma 1.0 (pow i 4) (* 4.0 (pow i 6)))
0.0b
(* 4.0 (pow i 6))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
add-exp-log
associate-*r*
add-cube-cbrt *-un-lft-identity
add-cbrt-cube
unpow-prod-down
pow1 expm1-log1p-u associate-*l* prod-exp log1p-expm1-u add-log-exp unswap-sqr
fma-udef sqr-pow
pow-to-exp pow-exp *-commutative cbrt-unprod
Counts
3 → 47
Calls
3 calls:
0.0ms
(fma 0.25 (* i i) (fma 1.0 (pow i 4) (* 4.0 (pow i 6))))
0.0ms
(fma 1.0 (pow i 4) (* 4.0 (pow i 6)))
13.0ms
(* 4.0 (pow i 6))

series305.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(fma 0.25 (* i i) (fma 1.0 (pow i 4) (* 4.0 (pow i 6))))
170.0ms
(fma 1.0 (pow i 4) (* 4.0 (pow i 6)))
63.0ms
(* 4.0 (pow i 6))

simplify1.3s

Counts
56 → 56
Iterations

Useful iterations: 3 (323.0ms)

IterNodesCost
083651
1152619
2376557
31587550
done5000550

prune248.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes24.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify4.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
11315
done1315

end0.0ms

sample1.2s

Algorithm
intervals
Results
930.0ms8000×body80valid
127.0ms8000×pre80true