Details

Time bar (total: 1.1s)

sample20.0ms

Algorithm
intervals
Results
9.0ms256×body80valid
3.0ms256×pre80true

simplify31.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (30.0ms)

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: 15.1b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
14.6b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log add-cbrt-cube
prod-exp cbrt-unprod
cbrt-undiv div-exp
add-log-exp
add-sqr-sqrt
pow1 add-cube-cbrt flip3-- *-un-lft-identity associate-*l/ associate-/r/ flip--
sub-neg frac-2neg times-frac diff-log clear-num associate-/r* div-inv associate-/l* difference-of-squares
Counts
2 → 40
Calls
2 calls:
6.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
17.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series178.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
110.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify42.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0342496
11633364
25001364

prune68.0ms

Filtered
46 candidates to 29 candidates (63.0%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New45146
Fresh000
Picked011
Done000
Total45247

Merged error: 0b

Counts
47 → 2

localize15.0ms

Local error

Found 2 expressions with local error:

0.4b
(/ 1 (pow i 4))
0.4b
(/ 1 (pow i 2))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
45×times-frac
35×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
24×unpow-prod-down
20×add-exp-log
15×associate-/r*
12×div-exp
sqr-pow
pow-to-exp rec-exp 1-exp pow-exp add-cbrt-cube associate-/l*
unpow2
pow1 cbrt-undiv pow-flip frac-2neg clear-num div-inv inv-pow add-log-exp
Counts
2 → 110
Calls
2 calls:
5.0ms
(/ 1 (pow i 4))
5.0ms
(/ 1 (pow i 2))

series42.0ms

Counts
2 → 6
Calls
2 calls:
26.0ms
(/ 1 (pow i 4))
16.0ms
(/ 1 (pow i 2))

simplify36.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0265482
11039408
25001332

prune133.0ms

Filtered
116 candidates to 43 candidates (37.1%)
Pruning

2 alts after pruning (0 fresh and 2 done)

PrunedKeptTotal
New1160116
Fresh000
Picked011
Done011
Total1162118

Merged error: 0b

Counts
118 → 2

regimes18.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 16.1b

bsearch43.0ms

Steps
ItersRangePoint
9
5.664414110387441
29163396.478267934
483.94365228990887

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03516
13516

end0.0ms

sample463.0ms

Algorithm
intervals
Results
282.0ms8000×body80valid
83.0ms8000×pre80true

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