Details

Time bar (total: 6.5s)

sample26.0ms

Algorithm
intervals
Results
5.0ms187×body80valid
5.0ms35×body1280valid
3.0ms256×pre80true
2.0ms15×body640valid
1.0ms16×body320valid
0.0msbody160valid

simplify78.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite137.0ms

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:
28.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
104.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series109.0ms

Counts
2 → 6
Calls
2 calls:
50.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
59.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify37.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (29.0ms)

IterNodesCost
0335555
11087529
25002525

prune351.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 15.7b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
1.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite505.0ms

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:
19.0ms
(/ beta (+ (+ alpha beta) 2.0))
20.0ms
(/ alpha (+ (+ alpha beta) 2.0))
313.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
123.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series233.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
61.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify139.0ms

Algorithm
egg-herbie
Counts
425 → 425
Iterations

Useful iterations: 2 (70.0ms)

IterNodesCost
09778429
131436259
250026131

prune774.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

localize22.0ms

Local error

Found 4 expressions with local error:

0.8b
(cbrt (+ (+ alpha beta) 2.0))
0.8b
(cbrt (+ (+ alpha beta) 2.0))
0.8b
(cbrt (+ (+ alpha beta) 2.0))
1.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite161.0ms

Algorithm
rewrite-expression-head
Rules
141×*-un-lft-identity
69×add-sqr-sqrt
64×add-cube-cbrt
63×prod-diff
61×times-frac
45×distribute-lft-out
21×fma-neg
15×cbrt-prod
associate-/r/
flip3-+ flip-+
cbrt-div add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 152
Calls
4 calls:
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
11.0ms
(cbrt (+ (+ alpha beta) 2.0))
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
125.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series379.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify55.0ms

Algorithm
egg-herbie
Counts
164 → 164
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
04601755
113021290
250011240

prune460.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.7b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
1.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
11.9b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite874.0ms

Algorithm
rewrite-expression-head
Rules
465×*-un-lft-identity
321×add-sqr-sqrt
252×prod-diff
235×times-frac
196×add-cube-cbrt
126×distribute-lft-out
65×associate--r+
50×difference-of-squares
42×fma-neg
31×distribute-lft-out--
28×associate-/r/
14×log-prod flip3-+ flip-+ div-inv
11×add-log-exp
log-div
flip3-- exp-sum flip--
pow1 frac-sub
add-exp-log
expm1-log1p-u exp-prod exp-diff diff-log add-cbrt-cube log1p-expm1-u
sub-neg
log-pow
rem-log-exp rem-exp-log associate--r-
Counts
4 → 382
Calls
4 calls:
312.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
176.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
121.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
235.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series333.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
58.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
134.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify138.0ms

Algorithm
egg-herbie
Counts
394 → 394
Iterations

Useful iterations: 2 (66.0ms)

IterNodesCost
09688783
128286586
250026436

prune813.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.2b

regimes136.0ms

Accuracy

77.9% (2.8b remaining)

Error of 5.9b against oracle of 3.1b and baseline of 15.7b

bsearch69.0ms

Steps
ItersRangePoint
11
1.8524788714334402e-09
2.900155845354824e+24
16045536794042094.0

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03927
13927

end0.0ms

sample653.0ms

Algorithm
intervals
Results
168.0ms5846×body80valid
114.0ms856×body1280valid
102.0ms8000×pre80true
84.0ms735×body640valid
31.0ms382×body320valid
10.0ms181×body160valid