Details

Time bar (total: 4.0s)

sample24.0ms

Algorithm
intervals
Results
4.0ms178×body80valid
4.0ms34×body1280valid
3.0ms256×pre80true
2.0ms19×body640valid
1.0ms15×body320valid
1.0ms10×body160valid

simplify72.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1346
2526
3736
41236
51726
62246
72616
83236
94116
105326
116126
126546
136976
149226
159806
1610076
1710276
1810356
1910356

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
26×add-sqr-sqrt
25×times-frac
19×distribute-lft-out
14×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip-- div-inv
Counts
2 → 65
Calls
2 calls:
23.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
81.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series104.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
56.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify35.0ms

Algorithm
egg-herbie
Counts
71 → 71
Iterations

Useful iterations: 2 (28.0ms)

IterNodesCost
0320535
11022510
25001502

prune150.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 17.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite336.0ms

Algorithm
rewrite-expression-head
Rules
71×*-un-lft-identity
34×add-sqr-sqrt
32×times-frac
24×add-cube-cbrt distribute-lft-out
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 diff-log associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 111
Calls
4 calls:
16.0ms
(/ alpha (+ (+ alpha beta) 2.0))
207.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
90.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series227.0ms

Counts
4 → 12
Calls
4 calls:
47.0ms
(/ alpha (+ (+ alpha beta) 2.0))
60.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
43.0ms
(/ beta (+ (+ alpha beta) 2.0))
76.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify47.0ms

Algorithm
egg-herbie
Counts
123 → 123
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0450903
11596871
25002859

prune272.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize16.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
15×cbrt-prod
12×add-sqr-sqrt
distribute-lft-out
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+
difference-of-squares
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
90.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series358.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(cbrt (+ (+ alpha beta) 2.0))
93.0ms
(cbrt (+ (+ alpha beta) 2.0))
95.0ms
(cbrt (+ (+ alpha beta) 2.0))
75.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify68.0ms

Algorithm
egg-herbie
Counts
72 → 72
Iterations

Useful iterations: 3 (61.0ms)

IterNodesCost
0278567
1708537
22658521
35001512

prune263.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.6b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.6b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite426.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
32×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
14×log-prod
12×distribute-lft-out
log-div
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- associate-/r* flip--
exp-prod exp-diff frac-sub
associate-/l*
associate-/r/ log-pow
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp rem-log-exp clear-num flip-+ div-inv rem-exp-log
Counts
4 → 95
Calls
4 calls:
16.0ms
(/ beta (+ (+ alpha beta) 2.0))
158.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
90.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
159.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series304.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(/ beta (+ (+ alpha beta) 2.0))
62.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
76.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
122.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify47.0ms

Algorithm
egg-herbie
Counts
107 → 107
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
04671121
115281058
250011029

prune254.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

regimes124.0ms

Accuracy

78.1% (2.8b remaining)

Error of 6.0b against oracle of 3.3b and baseline of 15.9b

bsearch34.0ms

Steps
ItersRangePoint
5
391248603.19673574
1027443772.3458656
1015227874.2528594

simplify2.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05055
15055

end0.0ms

sample595.0ms

Algorithm
intervals
Results
145.0ms5870×body80valid
101.0ms828×body1280valid
94.0ms8000×pre80true
73.0ms692×body640valid
32.0ms409×body320valid
10.0ms201×body160valid