Details

Time bar (total: 1.4s)

sample18.0ms

Algorithm
intervals
Results
7.0ms256×body80valid
2.0ms256×pre80true

simplify33.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (31.0ms)

IterNodesCost
03112
116811
29659
350018

prune5.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 14.3b

Counts
2 → 1

localize8.0ms

Local error

Found 1 expressions with local error:

13.9b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp
associate-*l/ associate-/r/
pow1 add-sqr-sqrt add-cube-cbrt flip3-- frac-2neg *-un-lft-identity times-frac clear-num associate-/r* flip-- div-inv associate-/l* add-log-exp
Counts
1 → 27
Calls
1 calls:
18.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series81.0ms

Counts
1 → 3
Calls
1 calls:
81.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify40.0ms

Algorithm
egg-herbie
Counts
30 → 30
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0311392
11550273
25001273

prune37.0ms

Filtered
30 candidates to 17 candidates (56.7%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New28230
Fresh000
Picked011
Done000
Total28331

Merged error: 0b

Counts
31 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
13.2b
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
25×add-exp-log add-cbrt-cube
20×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
10×cbrt-undiv div-exp associate-/r*
prod-exp cbrt-unprod div-inv
associate-/l*
pow1 frac-2neg associate-*l/ clear-num associate-/l/ add-log-exp
flip3-- associate-/r/ flip--
Counts
2 → 75
Calls
2 calls:
12.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
16.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

series197.0ms

Counts
2 → 6
Calls
2 calls:
79.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
117.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

simplify65.0ms

Algorithm
egg-herbie
Counts
81 → 81
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0443962
12261814
25001808

prune109.0ms

Filtered
81 candidates to 59 candidates (72.8%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New80181
Fresh101
Picked101
Done011
Total82284

Merged error: 0b

Counts
84 → 2

localize6.0ms

Local error

Found 1 expressions with local error:

0.1b
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
add-exp-log associate-/r* add-cbrt-cube associate-/l*
associate-/r/
pow1 cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
5.0ms
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

series85.0ms

Counts
1 → 3
Calls
1 calls:
85.0ms
(/ i (- (* 16.0 i) (* 4.0 (/ 1 i))))

simplify166.0ms

Algorithm
egg-herbie
Counts
32 → 32
Iterations

Useful iterations: 2 (22.0ms)

IterNodesCost
0197299
1756277
23865273
35001273

prune49.0ms

Filtered
32 candidates to 26 candidates (81.3%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New32032
Fresh000
Picked011
Done011
Total32234

Merged error: 0b

Counts
34 → 2

regimes13.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0135
1135

end0.0ms

sample391.0ms

Algorithm
intervals
Results
231.0ms8000×body80valid
67.0ms8000×pre80true

Profiling

Loading profile data...