Details

Time bar (total: 2.2s)

sample19.0ms

Algorithm
intervals
Results
8.0ms256×body80valid
3.0ms256×pre80true

simplify30.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 3 (28.0ms)

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: 15.6b

Counts
2 → 1

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
15.1b
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

rewrite22.0ms

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

series138.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
79.0ms
(/ (* i i) (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))

simplify43.0ms

Algorithm
egg-herbie
Counts
46 → 46
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0342496
11633364
25001364

prune70.0ms

Filtered
46 candidates to 29 candidates (63.0%)
Pruning

4 alts after pruning (3 fresh and 1 done)

PrunedKeptTotal
New43346
Fresh000
Picked011
Done000
Total43447

Merged error: 0b

Counts
47 → 4

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
0.7b
(/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))
15.2b
(* (* i i) (/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0))))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
98×add-exp-log
57×prod-exp
44×add-cbrt-cube
21×cbrt-unprod
18×div-exp
14×pow1
cbrt-undiv add-sqr-sqrt rec-exp 1-exp associate-*r*
add-cube-cbrt *-un-lft-identity
times-frac pow-prod-down
add-log-exp
associate-*l/ associate-/r/
flip3-- pow-flip flip-- associate-/l*
div-inv
sub-neg frac-2neg diff-log associate-*r/ associate-*l* clear-num associate-/r* un-div-inv *-commutative inv-pow difference-of-squares unswap-sqr
Counts
3 → 99
Calls
3 calls:
7.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
16.0ms
(/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))
19.0ms
(* (* i i) (/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0))))

series194.0ms

Counts
3 → 9
Calls
3 calls:
58.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
55.0ms
(/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0)))
81.0ms
(* (* i i) (/ 1 (* (- (* (* 2.0 i) (* 2.0 i)) 1.0) (* 2.0 2.0))))

simplify65.0ms

Algorithm
egg-herbie
Counts
108 → 108
Iterations

Useful iterations: 2 (53.0ms)

IterNodesCost
05401113
12431871
25002859

prune115.0ms

Filtered
108 candidates to 51 candidates (47.2%)
Pruning

4 alts after pruning (2 fresh and 2 done)

PrunedKeptTotal
New1080108
Fresh022
Picked011
Done011
Total1084112

Merged error: 0b

Counts
112 → 4

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
0.2b
(/ 1 (pow i 4))
0.2b
(* 0.015625 (/ 1 (pow i 2)))
0.8b
(/ 1 (pow i 2))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
77×times-frac
71×add-sqr-sqrt
57×*-un-lft-identity
53×add-cube-cbrt
42×add-exp-log
35×unpow-prod-down
28×associate-*r*
18×div-exp
15×associate-/r*
13×add-cbrt-cube sqr-pow
10×prod-exp
pow-to-exp rec-exp 1-exp pow-exp unpow2 add-log-exp unswap-sqr
pow1 associate-/l*
frac-add
cbrt-undiv flip3-+ associate-*r/ associate-*l* sum-log un-div-inv flip-+ div-inv
pow-flip frac-2neg clear-num cbrt-unprod inv-pow
+-commutative associate-+r+ pow-prod-down *-commutative
Counts
4 → 190
Calls
4 calls:
17.0ms
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
5.0ms
(/ 1 (pow i 4))
11.0ms
(* 0.015625 (/ 1 (pow i 2)))
5.0ms
(/ 1 (pow i 2))

series103.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(+ (* 0.00390625 (/ 1 (pow i 4))) (+ (* 0.015625 (/ 1 (pow i 2))) 0.0625))
33.0ms
(/ 1 (pow i 4))
24.0ms
(* 0.015625 (/ 1 (pow i 2)))
16.0ms
(/ 1 (pow i 2))

simplify78.0ms

Algorithm
egg-herbie
Counts
202 → 202
Iterations

Useful iterations: 2 (63.0ms)

IterNodesCost
06361166
13177953
25002846

prune267.0ms

Filtered
202 candidates to 94 candidates (46.5%)
Pruning

4 alts after pruning (1 fresh and 3 done)

PrunedKeptTotal
New2020202
Fresh011
Picked011
Done022
Total2024206

Merged error: 0b

Counts
206 → 4

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))
0.0b
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
0.5b
(log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0)))
15.3b
(/ (* i i) (* (log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))) (* 2.0 2.0)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log add-cbrt-cube
10×add-sqr-sqrt
prod-exp cbrt-unprod add-log-exp
exp-prod
add-cube-cbrt *-un-lft-identity
cbrt-undiv div-exp
pow1 log-prod log-pow
exp-sum
sub-neg difference-of-squares
exp-diff diff-log rem-exp-log
log-div flip3-- frac-2neg times-frac rem-log-exp clear-num associate-/r* flip-- div-inv associate-/l*
Counts
4 → 73
Calls
4 calls:
8.0ms
(exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))
7.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
7.0ms
(log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0)))
13.0ms
(/ (* i i) (* (log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))) (* 2.0 2.0)))

series223.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))
57.0ms
(- (* (* 2.0 i) (* 2.0 i)) 1.0)
57.0ms
(log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0)))
78.0ms
(/ (* i i) (* (log (exp (- (* (* 2.0 i) (* 2.0 i)) 1.0))) (* 2.0 2.0)))

simplify46.0ms

Algorithm
egg-herbie
Counts
85 → 85
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0383770
11755590
25001588

prune125.0ms

Filtered
85 candidates to 54 candidates (63.5%)
Pruning

4 alts after pruning (0 fresh and 4 done)

PrunedKeptTotal
New85085
Fresh000
Picked011
Done033
Total85489

Merged error: 0b

Counts
89 → 4

regimes23.0ms

Accuracy

100% (0.0b remaining)

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

bsearch20.0ms

Steps
ItersRangePoint
4
221.35540861551883
409.0569016512947
238.72619646085138

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03717
13717

end0.0ms

sample437.0ms

Algorithm
intervals
Results
258.0ms8000×body80valid
83.0ms8000×pre80true