Details

Time bar (total: 19.9s)

sample44.0ms

Algorithm
intervals
Results
8.0ms175×body80valid
6.0ms29×body1280valid
6.0ms31×body640valid
5.0ms256×pre80true
2.0ms14×body320valid
1.0msbody160valid

simplify4.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.3b

localize17.0ms

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)

rewrite396.0ms

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))
297.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series156.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
85.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.1s

Counts
106 → 106
Iterations

Useful iterations: 2 (271.0ms)

IterNodesCost
01281178
13411110
214401056
done50001056

prune318.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 18.3b

localize16.0ms

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

rewrite2.2s

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:
1.8s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
43.0ms
(/ beta (+ (+ alpha beta) 2.0))
46.0ms
(/ alpha (+ (+ alpha beta) 2.0))
290.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series346.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
86.0ms
(/ beta (+ (+ alpha beta) 2.0))
66.0ms
(/ alpha (+ (+ alpha beta) 2.0))
103.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.9s

Counts
241 → 241
Iterations

Useful iterations: done (1.9s)

IterNodesCost
03085116
17424394
229893980
done50013842

prune691.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 4.6b

localize23.0ms

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

rewrite436.0ms

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
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u div-inv
pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 152
Calls
4 calls:
31.0ms
(cbrt (+ (+ alpha beta) 2.0))
17.0ms
(cbrt (+ (+ alpha beta) 2.0))
24.0ms
(cbrt (+ (+ alpha beta) 2.0))
349.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series561.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(cbrt (+ (+ alpha beta) 2.0))
133.0ms
(cbrt (+ (+ alpha beta) 2.0))
153.0ms
(cbrt (+ (+ alpha beta) 2.0))
126.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify975.0ms

Counts
164 → 164
Iterations

Useful iterations: done (969.0ms)

IterNodesCost
02043412
14732754
214102423
done50012209

prune678.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.6b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.8b
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
2.2b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
7.2b
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

rewrite1.3s

Algorithm
rewrite-expression-head
Rules
206×*-un-lft-identity
129×add-sqr-sqrt
124×times-frac
94×add-cube-cbrt
63×prod-diff
50×log-prod
48×distribute-lft-out
25×exp-sum
21×fma-neg
19×distribute-lft-out--
14×difference-of-squares
10×associate-/r/
add-exp-log
div-inv
pow1 add-cbrt-cube add-log-exp
flip3-+ associate-/r* flip-+
expm1-log1p-u exp-prod log1p-expm1-u
associate-/l*
log-div div-exp rem-log-exp log-pow
cbrt-undiv sub-neg flip3-- frac-2neg exp-diff diff-log clear-num flip-- rem-exp-log
Counts
4 → 218
Calls
4 calls:
60.0ms
(/ alpha (+ (+ alpha beta) 2.0))
437.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
279.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
525.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

series451.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(/ alpha (+ (+ alpha beta) 2.0))
84.0ms
(exp (log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)))
107.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
183.0ms
(log (/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0))

simplify1.5s

Counts
230 → 230
Iterations

Useful iterations: done (1.4s)

IterNodesCost
03365840
17315005
223704554
done50004397

prune623.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.6b

regimes178.0ms

Accuracy

75.8% (3.1b remaining)

Error of 6.1b against oracle of 3.0b and baseline of 15.7b

bsearch55.0ms

Steps
ItersRangePoint
6
1.1627257238775583e+18
9.659747104654096e+18
1.1900968737058765e+18

simplify12.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03773
14273
24473
done4473

end0.0ms

sample1.9s

Algorithm
intervals
Results
856.0ms5853×body80valid
245.0ms850×body1280valid
169.0ms8000×pre80true
143.0ms746×body640valid
109.0ms363×body320valid
17.0ms188×body160valid