Details

Time bar (total: 2.2s)

sample22.0ms

Algorithm
intervals
Results
8.0ms256×body80valid
3.0ms256×pre80true

simplify31.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (30.0ms)

IterNodesCost
03112
116811
29659
350018

prune7.0ms

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: 13.8b

Counts
2 → 1

localize14.0ms

Local error

Found 1 expressions with local error:

13.4b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite14.0ms

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:
13.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

series96.0ms

Counts
1 → 3
Calls
1 calls:
96.0ms
(/ (* 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

prune53.0ms

Filtered
30 candidates to 17 candidates (43.3%)
Pruning

3 alts after pruning (3 fresh and 0 done)

PrunedKeptTotal
New27330
Fresh000
Picked101
Done000
Total28331

Merged error: 0b

Counts
31 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
12.7b
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

rewrite27.0ms

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))
13.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

series243.0ms

Counts
2 → 6
Calls
2 calls:
98.0ms
(/ i (/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i))
144.0ms
(/ (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)) i)

simplify60.0ms

Algorithm
egg-herbie
Counts
81 → 81
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
0443962
12261814
25001808

prune206.0ms

Filtered
81 candidates to 59 candidates (27.2%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New81081
Fresh022
Picked011
Done000
Total81384

Merged error: 0b

Counts
84 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (* 2.0 2.0))
13.1b
(/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
28×add-exp-log add-cbrt-cube
22×times-frac
12×cbrt-undiv add-sqr-sqrt div-exp
11×associate-/l*
add-cube-cbrt *-un-lft-identity
prod-exp associate-/r/ cbrt-unprod
associate-/r*
div-inv difference-of-squares
flip3-- flip--
pow1 frac-2neg clear-num add-log-exp
associate-/l/
Counts
2 → 69
Calls
2 calls:
13.0ms
(/ (/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (* 2.0 2.0))
10.0ms
(/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0))

series182.0ms

Counts
2 → 6
Calls
2 calls:
94.0ms
(/ (/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0)) (* 2.0 2.0))
88.0ms
(/ (* i i) (- (* (* 2.0 i) (* 2.0 i)) 1.0))

simplify50.0ms

Algorithm
egg-herbie
Counts
75 → 75
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0432850
11876688
25001685

prune216.0ms

Filtered
75 candidates to 54 candidates (28.0%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New75075
Fresh011
Picked011
Done011
Total75378

Merged error: 0b

Counts
78 → 3

localize11.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ 1 (pow i 4))
0.6b
(/ 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))

series54.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(/ 1 (pow i 4))
19.0ms
(/ 1 (pow i 2))

simplify36.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
0265482
11039408
25001332

prune207.0ms

Filtered
116 candidates to 43 candidates (62.9%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New1160116
Fresh000
Picked011
Done022
Total1163119

Merged error: 0b

Counts
119 → 3

regimes35.0ms

Accuracy

100% (0.0b remaining)

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

bsearch54.0ms

Steps
ItersRangePoint
9
2.5397583356125864e-05
1091.6192775468012
765.6914868525248

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03416
13416

end0.0ms

sample468.0ms

Algorithm
intervals
Results
256.0ms8000×body80valid
80.0ms8000×pre80true

Profiling

Loading profile data...