Details

Time bar (total: 23.1s)

sample35.0ms

Algorithm
intervals
Results
6.0ms185×body80valid
5.0ms31×body1280valid
4.0ms256×pre80true
2.0ms20×body320valid
2.0ms13×body640valid
0.0msbody160valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
12013
23413
35313
47413
516313
631413
764713
8146313
9438813
done500113

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize25.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.2b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite418.0ms

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:
90.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
323.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series156.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
91.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
106 → 106
Iterations

Useful iterations: 2 (252.0ms)

IterNodesCost
01281178
13411110
214401056
done50001056

prune496.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 15.8b

localize20.0ms

Local error

Found 3 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))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite1.6s

Algorithm
rewrite-expression-head
Rules
481×*-un-lft-identity
317×add-sqr-sqrt
252×prod-diff
248×times-frac
202×add-cube-cbrt
138×distribute-lft-out
65×associate--r+
46×difference-of-squares
42×fma-neg
30×associate-/r/
25×distribute-lft-out--
15×flip3-+ flip-+ div-inv
10×add-log-exp
add-exp-log associate-/r* add-cbrt-cube
diff-log
pow1 expm1-log1p-u sub-neg flip3-- flip-- log1p-expm1-u associate-/l*
frac-sub
cbrt-undiv frac-2neg div-exp clear-num associate--r-
Counts
3 → 374
Calls
3 calls:
862.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
52.0ms
(/ beta (+ (+ alpha beta) 2.0))
649.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series289.0ms

Counts
3 → 9
Calls
3 calls:
95.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
76.0ms
(/ beta (+ (+ alpha beta) 2.0))
117.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.3s

Counts
383 → 383
Iterations

Useful iterations: 2 (852.0ms)

IterNodesCost
038516218
195812979
2364910954
done500010954

prune1.4s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.9b

localize27.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.8b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
11.7b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite1.5s

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:
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
492.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
335.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
615.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series443.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(/ beta (+ (+ alpha beta) 2.0))
111.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
100.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
157.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify2.0s

Counts
199 → 199
Iterations

Useful iterations: done (2.0s)

IterNodesCost
02994746
16873959
225513535
done50003378

prune908.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.9b

localize45.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
0.8b
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
11.7b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite1.0s

Algorithm
rewrite-expression-head
Rules
136×*-un-lft-identity
79×add-sqr-sqrt
69×add-cube-cbrt
63×prod-diff
62×times-frac
36×distribute-lft-out
21×fma-neg
17×exp-prod
14×cbrt-prod
10×pow1
unpow-prod-down cube-prod associate-/r/
log-prod add-log-exp
add-exp-log
log-pow add-cbrt-cube
expm1-log1p-u log-div flip3-+ flip-+ log1p-expm1-u div-inv distribute-lft-out-- difference-of-squares
pow-unpow flip3-- flip--
cube-mult unpow3 frac-sub sqr-pow
pow-to-exp sub-neg pow-pow diff-log rem-log-exp pow-exp rem-exp-log rem-cube-cbrt
Counts
4 → 177
Calls
4 calls:
5.0ms
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
12.0ms
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
337.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
680.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series829.0ms

Counts
4 → 12
Calls
4 calls:
432.0ms
(pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)
89.0ms
(exp (cbrt (pow (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))) 3)))
117.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
190.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify2.1s

Counts
189 → 189
Iterations

Useful iterations: done (2.1s)

IterNodesCost
03054944
17834074
231043522
done50013383

prune891.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.9b

regimes596.0ms

Accuracy

99% (0.1b remaining)

Error of 3.0b against oracle of 2.8b and baseline of 15.3b

bsearch3.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03158
13358
done3358

end0.0ms

sample1.4s

Algorithm
intervals
Results
303.0ms855×body1280valid
267.0ms5893×body80valid
234.0ms8000×pre80true
159.0ms667×body640valid
86.0ms384×body320valid
18.0ms201×body160valid