Details

Time bar (total: 1.5s)

analyze7.0ms

Algorithm
search
Search
TrueOtherFalseIter
0%50%50%0
0%50%50%1
0%50%50%2
0%50%50%3
37.5%12.5%50%4
43.7%6.2%50%5
46.9%3.1%50%6
48.4%1.6%50%7
49.2%0.8%50%8
49.6%0.4%50%9
49.8%0.2%50%10
49.9%0.1%50%11
49.9%0%50%12
50%0%50%13
50%0%50%14

sample21.0ms

Algorithm
intervals
Results
13.0ms256×body80valid
3.0ms256×pre80true

simplify32.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (30.0ms)

IterNodesCost
03112
116811
29659
350018

prune6.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 14.1b

Counts
2 → 1

localize8.0ms

Local error

Found 1 expressions with local error:

13.6b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite15.0ms

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:
14.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series6.0ms

Counts
1 → 3
Calls
1 calls:
5.0ms
(/ (* 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 (8.0ms)

IterNodesCost
0311392
11550273
25001273

prune36.0ms

Filtered
17 candidates to 30 candidates (-76.5%)
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)) (/ i (* 2.0 2.0)))
13.2b
(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
31×times-frac
25×add-exp-log add-cbrt-cube
21×add-cube-cbrt *-un-lft-identity
18×associate-*l*
cbrt-undiv div-exp prod-exp cbrt-unprod
associate-*r* difference-of-squares
pow1 associate-/r* associate-/r/ unswap-sqr
div-inv associate-/l*
flip3-- flip-- add-log-exp
frac-times frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num *-commutative
Counts
2 → 86
Calls
2 calls:
16.0ms
(* (/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (/ i (* 2.0 2.0)))
9.0ms
(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

series14.0ms

Counts
2 → 6
Calls
2 calls:
8.0ms
(* (/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (/ i (* 2.0 2.0)))
5.0ms
(/ i (- (* (* 2.0 i) (* 2.0 i)) 1.0))

simplify64.0ms

Algorithm
egg-herbie
Counts
92 → 92
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
0530978
12493842
25001833

prune144.0ms

Filtered
69 candidates to 92 candidates (-33.3%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New92092
Fresh011
Picked011
Done011
Total92395

Merged error: 0b

Counts
95 → 3

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 0.015625 (/ 1 (pow i 2)))
0.2b
(/ 1 (pow i 4))
0.4b
(* 0.00390625 (/ 1 (pow i 4)))
0.5b
(/ 1 (pow i 2))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
104×times-frac
101×add-sqr-sqrt
75×*-un-lft-identity
68×add-cube-cbrt
62×add-exp-log
53×associate-*r*
46×unpow-prod-down
24×div-exp
20×prod-exp
18×add-cbrt-cube sqr-pow
16×unswap-sqr
15×associate-/r*
12×pow-to-exp rec-exp 1-exp pow-exp
unpow2
pow1
associate-*l* associate-/l*
cbrt-undiv cbrt-unprod div-inv add-log-exp
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
4 → 231
Calls
4 calls:
13.0ms
(* 0.015625 (/ 1 (pow i 2)))
4.0ms
(/ 1 (pow i 4))
10.0ms
(* 0.00390625 (/ 1 (pow i 4)))
5.0ms
(/ 1 (pow i 2))

series11.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(* 0.015625 (/ 1 (pow i 2)))
3.0ms
(/ 1 (pow i 4))
3.0ms
(* 0.00390625 (/ 1 (pow i 4)))
2.0ms
(/ 1 (pow i 2))

simplify91.0ms

Algorithm
egg-herbie
Counts
243 → 243
Iterations

Useful iterations: 2 (76.0ms)

IterNodesCost
06081096
12777881
25002745

prune258.0ms

Filtered
114 candidates to 243 candidates (-113.2%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New2430243
Fresh000
Picked011
Done022
Total2433246

Merged error: 0b

Counts
246 → 3

regimes32.0ms

Accuracy

100% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 15.7b

bsearch26.0ms

Steps
ItersRangePoint
10
2.1934253038476928e-05
138373164.5029507
277.59364913415834

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03516
13516

end0.0ms

analyze5.0ms

Algorithm
search
Search
TrueOtherFalseIter
0%50%50%0
0%50%50%1
0%50%50%2
0%50%50%3
37.5%12.5%50%4
43.7%6.2%50%5
46.9%3.1%50%6
48.4%1.6%50%7
49.2%0.8%50%8
49.6%0.4%50%9
49.8%0.2%50%10
49.9%0.1%50%11
49.9%0%50%12
50%0%50%13
50%0%50%14

sample600.0ms

Algorithm
intervals
Results
416.0ms8000×body80valid
85.0ms8000×pre80true

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