Details

Time bar (total: 7.5s)

sample24.0ms

Algorithm
intervals
Results
5.0ms203×body80valid
3.0ms256×pre80true
2.0ms19×body1280valid
1.0ms16×body640valid
1.0ms13×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: 12.6b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.4b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite229.0ms

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:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
176.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series100.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
58.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify38.0ms

Algorithm
egg-herbie
Counts
106 → 106
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0335555
11087529
25002525

prune224.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 11.9b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.5s

Algorithm
rewrite-expression-head
Rules
215×*-un-lft-identity
118×add-sqr-sqrt
116×times-frac
93×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
13×associate-/r* associate-/l* distribute-lft-out--
12×associate-/r/
10×add-exp-log add-cbrt-cube difference-of-squares
div-inv
flip3-+ flip-+ add-log-exp
pow1 expm1-log1p-u log1p-expm1-u associate-/l/
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip--
frac-sub
sub-neg diff-log div-sub
Counts
4 → 229
Calls
4 calls:
1.2s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
35.0ms
(/ alpha (+ (+ alpha beta) 2.0))
35.0ms
(/ beta (+ (+ alpha beta) 2.0))
213.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series218.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
41.0ms
(/ beta (+ (+ alpha beta) 2.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify85.0ms

Algorithm
egg-herbie
Counts
241 → 241
Iterations

Useful iterations: 2 (57.0ms)

IterNodesCost
07142537
125332035
250012004

prune477.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
1.4b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite1.0s

Algorithm
rewrite-expression-head
Rules
346×*-un-lft-identity
189×prod-diff
185×add-sqr-sqrt
170×add-cube-cbrt
168×times-frac
130×exp-sum
102×distribute-lft-out
68×log-prod
22×associate-/r/
21×fma-neg
12×exp-prod
11×flip3-+ flip-+ div-inv
add-log-exp
log-pow
add-exp-log add-cbrt-cube difference-of-squares
pow1 associate-/r*
expm1-log1p-u log1p-expm1-u
sub-neg associate-/l* distribute-lft-out--
exp-diff diff-log rem-exp-log
cbrt-undiv log-div flip3-- frac-2neg div-exp rem-log-exp clear-num flip--
Counts
4 → 309
Calls
4 calls:
352.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
35.0ms
(/ beta (+ (+ alpha beta) 2.0))
211.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
395.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series248.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
47.0ms
(/ beta (+ (+ alpha beta) 2.0))
72.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
67.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify81.0ms

Algorithm
egg-herbie
Counts
321 → 321
Iterations

Useful iterations: 2 (42.0ms)

IterNodesCost
06384268
118543053
250022419

prune481.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite731.0ms

Algorithm
rewrite-expression-head
Rules
364×*-un-lft-identity
196×add-sqr-sqrt
189×prod-diff
184×times-frac
176×add-cube-cbrt
108×distribute-lft-out
63×fma-neg
24×associate-/r/
12×flip3-+ flip-+ div-inv
10×add-log-exp
difference-of-squares
cbrt-prod
pow1 add-exp-log expm1-log1p-u flip3-- add-cbrt-cube flip-- log1p-expm1-u distribute-lft-out--
sub-neg diff-log
cbrt-div
pow1/3
Counts
4 → 321
Calls
4 calls:
75.0ms
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
210.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
211.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
212.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series373.0ms

Counts
4 → 12
Calls
4 calls:
164.0ms
(cbrt (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
71.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
65.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
73.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify72.0ms

Algorithm
egg-herbie
Counts
333 → 333
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
04834200
113972862
250012757

prune772.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 2.4b

regimes84.0ms

Accuracy

76.7% (2.9b remaining)

Error of 6.0b against oracle of 3.1b and baseline of 15.6b

bsearch50.0ms

Steps
ItersRangePoint
8
5.407778613963265e+17
3.085216785564451e+20
3.0659731518348657e+18

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03725
13725

end0.0ms

sample627.0ms

Algorithm
intervals
Results
150.0ms5853×body80valid
98.0ms844×body1280valid
86.0ms8000×pre80true
71.0ms748×body640valid
25.0ms361×body320valid
9.0ms194×body160valid