Details

Time bar (total: 10.3s)

sample24.0ms

Algorithm
intervals
Results
5.0ms192×body80valid
4.0ms30×body1280valid
4.0ms256×pre80true
2.0ms23×body640valid
0.0msbody320valid
0.0msbody160valid

simplify337.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
12013
23313
35113
47013
511913
615513
720113
823413
928513
1032513
1133513
1234713
1335913
done35913

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.1b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.9b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite131.0ms

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:
26.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
99.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series112.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
60.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
106 → 106
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01281178
13341110
28751056
326871048
done50011047

prune218.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.6b

localize9.0ms

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))
1.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite493.0ms

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:
307.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ alpha (+ (+ alpha beta) 2.0))
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
120.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series427.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
237.0ms
(/ alpha (+ (+ alpha beta) 2.0))
45.0ms
(/ beta (+ (+ alpha beta) 2.0))
83.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.0s

Counts
425 → 425
Iterations

Useful iterations: done (990.0ms)

IterNodesCost
040216706
196613361
2250811385
done500011298

prune772.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt (+ (+ alpha beta) 2.0))
0.7b
(cbrt (+ (+ alpha beta) 2.0))
1.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
1.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite267.0ms

Algorithm
rewrite-expression-head
Rules
254×*-un-lft-identity
130×add-sqr-sqrt
126×prod-diff
122×times-frac
120×add-cube-cbrt
78×distribute-lft-out
42×fma-neg
16×associate-/r/
10×cbrt-prod flip3-+ flip-+
div-inv add-log-exp
pow1 add-exp-log expm1-log1p-u cbrt-div add-cbrt-cube log1p-expm1-u difference-of-squares
sub-neg flip3-- pow1/3 diff-log flip-- distribute-lft-out--
Counts
4 → 236
Calls
4 calls:
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
8.0ms
(cbrt (+ (+ alpha beta) 2.0))
117.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
118.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series356.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
79.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
78.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.6s

Counts
248 → 248
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02045724
14604422
210813854
331893292
done50003058

prune573.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.4b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
1.9b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.7b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite551.0ms

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
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- flip3-+ associate-/r* flip-- flip-+ div-inv
expm1-log1p-u exp-prod exp-diff frac-sub log1p-expm1-u
associate-/l*
log-pow
cbrt-undiv sub-neg frac-2neg diff-log div-exp rem-log-exp clear-num rem-exp-log
Counts
4 → 187
Calls
4 calls:
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
173.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
119.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
232.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series326.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
66.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
81.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
128.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify699.0ms

Counts
199 → 199
Iterations

Useful iterations: done (692.0ms)

IterNodesCost
02994746
16633934
217033535
done50013417

prune422.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.1b

regimes104.0ms

Accuracy

76.3% (3.1b remaining)

Error of 6.2b against oracle of 3.1b and baseline of 16.1b

bsearch31.0ms

Steps
ItersRangePoint
5
6.313757509671862e+29
2.4877244354034998e+30
6.48438097382689e+29

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03052
13452
done3452

end0.0ms

sample617.0ms

Algorithm
intervals
Results
146.0ms5812×body80valid
106.0ms807×body1280valid
105.0ms8000×pre80true
76.0ms765×body640valid
33.0ms395×body320valid
11.0ms221×body160valid