Details

Time bar (total: 14.6s)

sample75.0ms

Algorithm
intervals
Results
19.0ms182×body80valid
14.0ms25×body1280valid
13.0ms29×body640valid
11.0ms256×pre80true
4.0ms13×body320valid
1.0msbody160valid

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
done2002
182002
171763
161558
151364
141138
13931
12742
11607
10526
9431
8318
7267
6197
5124
469
350
233
120
010

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.2b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
1.7b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
26×add-sqr-sqrt
25×times-frac
19×distribute-lft-out
14×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-cbrt-cube add-exp-log add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ insert-posit16 associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- div-inv flip--
Counts
2 → 67
Calls
2 calls:
34.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
105.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series134.0ms

Counts
2 → 6
Calls
2 calls:
54.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
80.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.0s

Counts
73 → 73
Iterations
IterNodes
done2000
32000
21126
1328
0126

prune317.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 16.5b

localize27.0ms

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

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
98×*-un-lft-identity
61×add-sqr-sqrt
56×times-frac
36×add-cube-cbrt
24×distribute-lft-out
13×associate-/r* associate-/l* distribute-lft-out--
10×add-cbrt-cube add-exp-log difference-of-squares
add-log-exp
pow1 associate-/r/ insert-posit16 associate-/l/
cbrt-undiv clear-num frac-2neg flip3-- div-exp div-inv flip--
flip3-+ frac-sub flip-+
sub-neg diff-log div-sub
Counts
4 → 141
Calls
4 calls:
1.0s
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
22.0ms
(/ beta (+ (+ alpha beta) 2.0))
36.0ms
(/ alpha (+ (+ alpha beta) 2.0))
140.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series375.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)) 2.0)
64.0ms
(/ beta (+ (+ alpha beta) 2.0))
86.0ms
(/ alpha (+ (+ alpha beta) 2.0))
120.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
153 → 153
Iterations
IterNodes
done2004
32004
21887
1567
0242

prune783.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
1.7b
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
1.7b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite511.0ms

Algorithm
rewrite-expression-head
Rules
70×*-un-lft-identity
36×add-sqr-sqrt
32×times-frac
26×add-cube-cbrt
24×distribute-lft-out
10×associate-/r*
add-cbrt-cube add-exp-log
log-pow
exp-prod associate-/l* add-log-exp
pow1 log-prod
associate-/r/ insert-posit16 difference-of-squares
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ div-exp exp-sum flip-+ div-inv distribute-lft-out--
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 114
Calls
4 calls:
29.0ms
(/ beta (+ (+ alpha beta) 2.0))
22.0ms
(/ alpha (+ (+ alpha beta) 2.0))
305.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
152.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series373.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(/ beta (+ (+ alpha beta) 2.0))
85.0ms
(/ alpha (+ (+ alpha beta) 2.0))
106.0ms
(log (exp (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
done2035
32035
21141
1400
0186

prune693.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

localize83.0ms

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

rewrite246.0ms

Algorithm
rewrite-expression-head
Rules
24×*-un-lft-identity
15×cbrt-prod
12×add-sqr-sqrt
distribute-lft-out
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-cbrt-cube add-exp-log insert-posit16
flip3-+ pow1/3 flip-+
difference-of-squares
sub-neg times-frac flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 64
Calls
4 calls:
20.0ms
(cbrt (+ (+ alpha beta) 2.0))
21.0ms
(cbrt (+ (+ alpha beta) 2.0))
12.0ms
(cbrt (+ (+ alpha beta) 2.0))
192.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series455.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(cbrt (+ (+ alpha beta) 2.0))
115.0ms
(cbrt (+ (+ alpha beta) 2.0))
120.0ms
(cbrt (+ (+ alpha beta) 2.0))
114.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify952.0ms

Counts
76 → 76
Iterations
IterNodes
done2016
32016
2751
1284
0122

prune460.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 2.8b

regimes349.0ms

Accuracy

98.5% (0.2b remaining)

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

bsearch2.0ms

simplify8.0ms

Iterations
IterNodes
done33
133
029

end0.0ms

sample2.3s

Algorithm
intervals
Results
600.0ms5904×body80valid
529.0ms390×body320valid
433.0ms844×body1280valid
263.0ms8000×pre80true
221.0ms656×body640valid
58.0ms206×body160valid