Details

Time bar (total: 14.1s)

sample57.0ms

Algorithm
intervals
Results
14.0ms189×body80valid
8.0ms256×pre80true
8.0ms22×body1280valid
8.0ms25×body640valid
3.0ms13×body320valid
1.0msbody160valid

simplify1.5s

Counts
1 → 1
Iterations
IterNodes
done2000
171985
161722
151474
141236
13995
12795
11669
10582
9467
8348
7290
6209
5124
469
350
233
120
010

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.7b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite183.0ms

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:
58.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
123.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series168.0ms

Counts
2 → 6
Calls
2 calls:
82.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
86.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify783.0ms

Counts
108 → 108
Iterations
IterNodes
done2016
21170
1342
0130

prune390.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 14.9b

localize35.0ms

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))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite753.0ms

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:
400.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
41.0ms
(/ beta (+ (+ alpha beta) 2.0))
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
257.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series339.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
62.0ms
(/ beta (+ (+ alpha beta) 2.0))
67.0ms
(/ alpha (+ (+ alpha beta) 2.0))
121.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify924.0ms

Counts
429 → 429
Iterations
IterNodes
done2002
1995
0406

prune2.0s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.2b

localize57.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(/ (- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.1b
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
1.6b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

rewrite489.0ms

Algorithm
rewrite-expression-head
Rules
234×*-un-lft-identity
131×times-frac
89×distribute-lft-out
84×add-sqr-sqrt
72×add-cube-cbrt
39×swap-sqr
21×associate-*r* associate-*l*
20×add-cbrt-cube add-exp-log
12×associate-/r/
11×pow1
associate-/r*
associate-/l*
cbrt-undiv flip3-+ div-exp flip-+ div-inv add-log-exp difference-of-squares
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u unswap-sqr
clear-num frac-2neg flip3-- flip-- associate-/l/
pow2 frac-times sub-neg pow-plus fma-neg diff-log div-sub prod-diff pow-prod-down associate-*l/ associate-*r/ pow-sqr *-commutative pow-prod-up
Counts
4 → 214
Calls
4 calls:
37.0ms
(/ alpha (+ (+ alpha beta) 2.0))
252.0ms
(/ (- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
130.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
66.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

series449.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ alpha (+ (+ alpha beta) 2.0))
192.0ms
(/ (- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0)) (+ (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
100.0ms
(* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0)))
98.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

simplify737.0ms

Counts
226 → 226
Iterations
IterNodes
done2000
1855
0269

prune967.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.2b

localize42.0ms

Local error

Found 4 expressions with local error:

0.7b
(cbrt alpha)
0.7b
(cbrt alpha)
0.7b
(cbrt alpha)
1.6b
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
pow1/3
sub-neg flip3-- fma-neg diff-log prod-diff flip-- difference-of-squares
Counts
4 → 60
Calls
4 calls:
1.0ms
(cbrt alpha)
1.0ms
(cbrt alpha)
1.0ms
(cbrt alpha)
46.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

series853.0ms

Counts
4 → 12
Calls
4 calls:
230.0ms
(cbrt alpha)
285.0ms
(cbrt alpha)
234.0ms
(cbrt alpha)
105.0ms
(- (* (/ alpha (+ (+ alpha beta) 2.0)) (/ alpha (+ (+ alpha beta) 2.0))) (* 1.0 1.0))

simplify823.0ms

Counts
72 → 72
Iterations
IterNodes
done2000
31839
2567
1200
084

prune434.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.2b

regimes115.0ms

Accuracy

74.6% (3.2b remaining)

Error of 6.4b against oracle of 3.2b and baseline of 15.7b

bsearch76.0ms

Steps
ItersRangePoint
8
6.100049870521302e+20
3.2635646560629e+25
9.338107713205004e+21

simplify11.0ms

Iterations
IterNodes
done42
142
036

end0.0ms

sample1.9s

Algorithm
intervals
Results
564.0ms5840×body80valid
389.0ms882×body1280valid
277.0ms8000×pre80true
268.0ms691×body640valid
156.0ms379×body320valid
33.0ms208×body160valid