Details

Time bar (total: 3.8s)

sample29.0ms

Algorithm
intervals
Results
6.0ms184×body80valid
4.0ms256×pre80true
4.0ms25×body1280valid
3.0ms23×body640valid
2.0ms17×body320valid
0.0msbody160valid

simplify82.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51846
62506
72876
83496
94376
105746
116546
127126
137856
1410756
1511506
1611936
1712136
1812216
1912216

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 16.9b

Counts
2 → 1

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
104×*-un-lft-identity
50×times-frac
47×add-sqr-sqrt
34×distribute-lft-out
31×fma-def
25×add-cube-cbrt
11×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log associate-/r/ add-cbrt-cube add-log-exp
flip3-+ flip-+
pow1 expm1-log1p-u div-sub log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip--
Counts
2 → 100
Calls
2 calls:
10.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
21.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series106.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
62.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify41.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0335555
11087529
25002525

prune194.0ms

Filtered
106 candidates to 68 candidates (64.2%)
Pruning

11 alts after pruning (11 fresh and 0 done)

PrunedKeptTotal
New9511106
Fresh000
Picked101
Done000
Total9611107

Merged error: 16.2b

Counts
107 → 11

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
512×*-un-lft-identity
328×add-sqr-sqrt
263×times-frac
252×prod-diff
213×add-cube-cbrt
150×distribute-lft-out
65×associate--r+
46×difference-of-squares
42×fma-neg
32×associate-/r/
25×distribute-lft-out--
16×flip3-+ flip-+ div-inv
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 expm1-log1p-u diff-log log1p-expm1-u
sub-neg flip3-- flip--
cbrt-undiv frac-2neg div-exp clear-num frac-sub
associate--r-
Counts
4 → 413
Calls
4 calls:
35.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
7.0ms
(/ alpha (+ (+ alpha beta) 2.0))
8.0ms
(/ beta (+ (+ alpha beta) 2.0))
16.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series240.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
50.0ms
(/ alpha (+ (+ alpha beta) 2.0))
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify143.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
09778429
131436259
250026131

prune581.0ms

Filtered
425 candidates to 199 candidates (46.8%)
Pruning

7 alts after pruning (7 fresh and 0 done)

PrunedKeptTotal
New4214425
Fresh7310
Picked101
Done000
Total4297436

Merged error: 2.7b

Counts
436 → 7

localize17.0ms

Local error

Found 4 expressions with local error:

2.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
6.6b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
195×*-un-lft-identity
106×times-frac
93×add-sqr-sqrt
88×add-cube-cbrt
63×cbrt-prod prod-diff distribute-lft-out
21×fma-neg
14×associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
cbrt-div pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 197
Calls
4 calls:
15.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
7.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series519.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
150.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
142.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
148.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify66.0ms

Algorithm
egg-herbie
Counts
209 → 209
Iterations

Useful iterations: 2 (43.0ms)

IterNodesCost
05092277
114471794
250011714

prune416.0ms

Filtered
209 candidates to 120 candidates (57.4%)
Pruning

8 alts after pruning (8 fresh and 0 done)

PrunedKeptTotal
New2063209
Fresh156
Picked101
Done000
Total2088216

Merged error: 2.7b

Counts
216 → 8

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 1 (+ (+ alpha beta) 2.0))
17.1b
(fma (- beta alpha) (/ 1 (+ (+ alpha beta) 2.0)) 1.0)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
32×*-un-lft-identity
15×times-frac
12×add-sqr-sqrt add-cube-cbrt distribute-lft-out
add-exp-log
associate-/r*
add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u div-exp associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv rec-exp pow-flip frac-2neg flip3-+ 1-exp clear-num flip-+ fma-udef div-inv inv-pow
Counts
2 → 53
Calls
2 calls:
8.0ms
(/ 1 (+ (+ alpha beta) 2.0))
1.0ms
(fma (- beta alpha) (/ 1 (+ (+ alpha beta) 2.0)) 1.0)

series87.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ 1 (+ (+ alpha beta) 2.0))
45.0ms
(fma (- beta alpha) (/ 1 (+ (+ alpha beta) 2.0)) 1.0)

simplify98.0ms

Algorithm
egg-herbie
Counts
59 → 59
Iterations

Useful iterations: 3 (92.0ms)

IterNodesCost
0203328
1728289
23595264
35002261

prune75.0ms

Filtered
59 candidates to 34 candidates (57.6%)
Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New58159
Fresh077
Picked011
Done000
Total58967

Merged error: 2.7b

Counts
67 → 9

regimes117.0ms

Accuracy

78.8% (2.8b remaining)

Error of 5.7b against oracle of 2.9b and baseline of 16.3b

bsearch53.0ms

Steps
ItersRangePoint
8
113.05980363979081
1896026.3864226907
1867269.1236031821

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03931
13931

end0.0ms

sample729.0ms

Algorithm
intervals
Results
183.0ms5867×body80valid
129.0ms8000×pre80true
125.0ms823×body1280valid
100.0ms754×body640valid
32.0ms364×body320valid
11.0ms192×body160valid