Details

Time bar (total: 8.8s)

sample29.0ms

Algorithm
intervals
Results
11.0ms256×body80valid
4.0ms256×pre80true

simplify41.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
06025
129623
2171123
3500123

prune10.0ms

Filtered
1 candidates to 1 candidates (100.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 52.1b

Counts
2 → 2

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta)))
0.1b
(* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta)))
41.0b
(/ (* i (+ (+ alpha beta) i)) (/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i)))))
41.3b
(/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
14×associate-*l/
10×associate-/l*
associate-/r/ *-commutative
associate-*l* associate-/l/
div-inv
flip3-- flip-- fma-udef
frac-2neg clear-num
distribute-rgt-in distribute-lft-in times-frac associate-*r/
flip3-+ associate-/r* flip-+
Counts
4 → 40
Calls
4 calls:
11.0ms
(* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta)))
13.0ms
(* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta)))
19.0ms
(/ (* i (+ (+ alpha beta) i)) (/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i)))))
15.0ms
(/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i))))

series3.3s

Counts
4 → 12
Calls
4 calls:
261.0ms
(* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta)))
494.0ms
(* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta)))
738.0ms
(/ (* i (+ (+ alpha beta) i)) (/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i)))))
1.8s
(/ (* (* (- (* (+ (+ alpha beta) (* 2.0 i)) (+ (+ alpha beta) (* 2.0 i))) 1.0) (fma i 2.0 (+ alpha beta))) (fma i 2.0 (+ alpha beta))) (fma beta alpha (* i (+ (+ alpha beta) i))))

simplify57.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 2 (49.0ms)

IterNodesCost
0455755
12102692
25001656

prune212.0ms

Filtered
52 candidates to 44 candidates (84.6%)
Pruning

6 alts after pruning (6 fresh and 0 done)

PrunedKeptTotal
New46652
Fresh101
Picked101
Done000
Total48654

Merged error: 38.8b

Counts
54 → 6

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i)) (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
9.0b
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
32.9b
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
43.5b
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
97×frac-times
36×clear-num
35×frac-2neg
32×associate-*l/
31×flip3-+ flip-+
26×associate-/r*
19×associate-*r/
16×*-commutative
11×associate-*l*
associate-/r/
div-inv
+-commutative distribute-rgt-in associate-+l+ distribute-lft-in
associate-*r* un-div-inv
Counts
4 → 112
Calls
4 calls:
13.0ms
(* (* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i)) (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
8.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
4.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
3.0ms
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

series1.1s

Counts
4 → 12
Calls
4 calls:
721.0ms
(* (* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i)) (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
110.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
134.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
152.0ms
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

simplify119.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 2 (97.0ms)

IterNodesCost
07752375
142692218
250012214

prune435.0ms

Filtered
124 candidates to 99 candidates (79.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1195124
Fresh325
Picked101
Done000
Total1237130

Merged error: 38.8b

Counts
130 → 7

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))
0.0b
(* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))
9.0b
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
32.9b
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
flip3-+ flip-+
distribute-rgt-in frac-times distribute-lft-in
+-commutative
associate-+l+ frac-2neg clear-num associate-/r/ fma-udef
associate-*l* associate-*l/
associate-+r+ associate-*r/ *-commutative div-inv
pow2 neg-sub0 associate-+l- neg-mul-1 fma-def
Counts
4 → 39
Calls
4 calls:
4.0ms
(+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))
2.0ms
(* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))
8.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
4.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))

series383.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))
63.0ms
(* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))
107.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (+ (+ alpha beta) i))
137.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))

simplify48.0ms

Algorithm
egg-herbie
Counts
51 → 51
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0400518
11619476
25001467

prune161.0ms

Filtered
51 candidates to 41 candidates (80.4%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New48351
Fresh246
Picked101
Done000
Total51758

Merged error: 38.8b

Counts
58 → 7

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i))
4.6b
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i)))
32.9b
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
43.5b
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
101×frac-times
35×frac-2neg clear-num
32×flip3-+ associate-/r* flip-+
28×associate-*l/
27×associate-*r/
20×distribute-rgt-in distribute-lft-in
19×*-commutative
12×+-commutative associate-+l+
associate-*l* div-inv
associate-/r/
associate-*r*
Counts
4 → 131
Calls
4 calls:
7.0ms
(* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i))
14.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i)))
4.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
3.0ms
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

series1.3s

Counts
4 → 12
Calls
4 calls:
144.0ms
(* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i))
711.0ms
(* (/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))) (* (/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))) (+ (+ alpha beta) i)))
135.0ms
(/ i (+ (- 1.0) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta)))))
294.0ms
(/ (fma beta alpha (* i (+ (+ alpha beta) i))) (* (fma i 2.0 (+ alpha beta)) (fma i 2.0 (+ alpha beta))))

simplify58.0ms

Algorithm
egg-herbie
Counts
143 → 143
Iterations

Useful iterations: 1 (25.0ms)

IterNodesCost
09153120
150023078

prune412.0ms

Filtered
143 candidates to 104 candidates (72.7%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New1403143
Fresh246
Picked101
Done000
Total1437150

Merged error: 38.8b

Counts
150 → 7

regimes121.0ms

Accuracy

19.6% (3.1b remaining)

Error of 38.8b against oracle of 35.8b and baseline of 39.6b

bsearch54.0ms

Steps
ItersRangePoint
7
1.3375767335112228e+103
3.017176833939405e+104
2.966117077546274e+104

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04033
14033

end0.0ms

sample667.0ms

Algorithm
intervals
Results
349.0ms8000×body80valid
129.0ms8000×pre80true