Details

Time bar (total: 26.4s)

sample95.0ms

Algorithm
intervals
Results
37.0ms190×body80valid
17.0ms30×body1280valid
12.0ms256×pre80true
11.0ms25×body640valid
2.0msbody320valid
1.0msbody160valid

simplify457.0ms

Counts
1 → 1
Iterations
IterNodes
15445
14445
13442
12437
11416
10364
9276
8211
7186
6152
5112
469
350
233
120
010

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.6b

localize33.0ms

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)

rewrite233.0ms

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-cbrt-cube add-exp-log associate-/r/ add-log-exp
flip3-+ flip-+
expm1-log1p-u pow1 div-sub insert-posit16 log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- flip--
Counts
2 → 102
Calls
2 calls:
52.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
177.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series169.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
111.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
108 → 108
Iterations
IterNodes
33331
21010
1340
0130

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 15.0b

localize36.0ms

Local error

Found 4 expressions with local error:

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

rewrite746.0ms

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-cbrt-cube add-exp-log
associate-/l*
expm1-log1p-u pow1 diff-log insert-posit16 log1p-expm1-u
sub-neg flip3-- flip--
cbrt-undiv clear-num frac-2neg div-exp frac-sub
associate--r-
Counts
4 → 417
Calls
4 calls:
481.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
44.0ms
(/ beta (+ (+ alpha beta) 2.0))
31.0ms
(/ alpha (+ (+ alpha beta) 2.0))
170.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series354.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
70.0ms
(/ beta (+ (+ alpha beta) 2.0))
73.0ms
(/ alpha (+ (+ alpha beta) 2.0))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
429 → 429
Iterations
IterNodes
22435
1967
0406

prune5.4s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.2b

localize44.0ms

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

rewrite229.0ms

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
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 156
Calls
4 calls:
13.0ms
(cbrt (+ (+ alpha beta) 2.0))
18.0ms
(cbrt (+ (+ alpha beta) 2.0))
10.0ms
(cbrt (+ (+ alpha beta) 2.0))
185.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series575.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(cbrt (+ (+ alpha beta) 2.0))
160.0ms
(cbrt (+ (+ alpha beta) 2.0))
148.0ms
(cbrt (+ (+ alpha beta) 2.0))
112.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.8s

Counts
168 → 168
Iterations
IterNodes
33282
21098
1459
0206

prune2.7s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 2.2b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.5b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
1.4b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
12.1b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite913.0ms

Algorithm
rewrite-expression-head
Rules
166×*-un-lft-identity
89×add-sqr-sqrt
78×times-frac
74×add-cube-cbrt
63×prod-diff
48×distribute-lft-out
21×fma-neg
14×log-prod
10×associate-/r/
log-div
exp-sum add-exp-log distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
associate-/r* flip3-+ flip3-- flip-+ div-inv flip--
expm1-log1p-u exp-prod exp-diff frac-sub insert-posit16 log1p-expm1-u
associate-/l*
log-pow
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-exp rem-log-exp rem-exp-log
Counts
4 → 191
Calls
4 calls:
40.0ms
(/ alpha (+ (+ alpha beta) 2.0))
344.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
174.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
349.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series541.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(/ alpha (+ (+ alpha beta) 2.0))
110.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
227.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify3.6s

Counts
203 → 203
Iterations
IterNodes
36558
21756
1634
0283

prune2.2s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 2.1b

regimes131.0ms

Accuracy

75.4% (3.3b remaining)

Error of 6.0b against oracle of 2.8b and baseline of 16.0b

bsearch71.0ms

Steps
ItersRangePoint
6
6.516820230851603e+16
5.585234624323947e+17
7.41319761099139e+16

simplify7.0ms

Iterations
IterNodes
237
137
035

end0.0ms

sample2.4s

Algorithm
intervals
Results
895.0ms891×body1280valid
609.0ms5816×body80valid
311.0ms8000×pre80true
235.0ms703×body640valid
155.0ms399×body320valid
31.0ms191×body160valid