Details

Time bar (total: 20.6s)

sample38.0ms

Algorithm
intervals
Results
7.0ms181×body80valid
5.0ms34×body640valid
5.0ms24×body1280valid
4.0ms256×pre80true
2.0ms14×body320valid
0.0msbody160valid

simplify2.8s

Counts
1 → 1
Iterations
IterNodes
done5001
94691
81531
7665
6318
5164
474
353
234
120
010

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.9b

localize27.0ms

Local error

Found 2 expressions with local error:

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

rewrite305.0ms

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 log1p-expm1-u div-inv associate-/l/
cbrt-undiv +-commutative clear-num sum-log frac-2neg flip3-- div-exp associate-+l- flip--
Counts
2 → 100
Calls
2 calls:
73.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
224.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series148.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
97.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.4s

Counts
106 → 106
Iterations
IterNodes
done5002
21431
1340
0128

prune572.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 17.0b

localize18.0ms

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

rewrite1.1s

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 log1p-expm1-u
sub-neg flip3-- flip--
cbrt-undiv clear-num frac-2neg div-exp frac-sub
associate--r-
Counts
4 → 413
Calls
4 calls:
708.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
56.0ms
(/ beta (+ (+ alpha beta) 2.0))
48.0ms
(/ alpha (+ (+ alpha beta) 2.0))
262.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series329.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
58.0ms
(/ beta (+ (+ alpha beta) 2.0))
74.0ms
(/ alpha (+ (+ alpha beta) 2.0))
125.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify2.4s

Counts
425 → 425
Iterations
IterNodes
done5000
23883
1992
0402

prune2.4s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.6b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ alpha beta) 2.0))
0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
1.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite403.0ms

Algorithm
rewrite-expression-head
Rules
183×*-un-lft-identity
91×times-frac
86×add-sqr-sqrt
81×add-cube-cbrt
63×prod-diff
60×distribute-lft-out
21×fma-neg
12×associate-/r/
10×associate-/r* add-exp-log
add-cbrt-cube
flip3-+ flip-+ div-inv associate-/l* add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
div-exp
cbrt-undiv clear-num frac-2neg difference-of-squares
rec-exp sub-neg flip3-- diff-log 1-exp fma-udef pow-flip flip-- distribute-lft-out-- inv-pow
Counts
4 → 193
Calls
4 calls:
38.0ms
(/ 1 (+ (+ alpha beta) 2.0))
28.0ms
(/ alpha (+ (+ alpha beta) 2.0))
0.0ms
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
318.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series328.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ 1 (+ (+ alpha beta) 2.0))
55.0ms
(/ alpha (+ (+ alpha beta) 2.0))
99.0ms
(fma beta (/ 1 (+ (+ alpha beta) 2.0)) (- (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))
115.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify1.9s

Counts
205 → 205
Iterations
IterNodes
done5000
22335
1548
0240

prune878.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.6b

localize88.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
5.7b
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

rewrite439.0ms

Algorithm
rewrite-expression-head
Rules
195×*-un-lft-identity
106×times-frac
93×add-sqr-sqrt
88×add-cube-cbrt
63×cbrt-prod prod-diff distribute-lft-out
21×fma-neg
14×associate-/r/
flip3-+ flip-+ div-inv
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
cbrt-div pow1/3
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 197
Calls
4 calls:
339.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
28.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
26.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
28.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

series748.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
218.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
219.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))
211.0ms
(cbrt (/ beta (+ (+ alpha beta) 2.0)))

simplify1.3s

Counts
209 → 209
Iterations
IterNodes
done5001
21591
1522
0241

prune1.1s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.6b

regimes263.0ms

Accuracy

75.7% (3.1b remaining)

Error of 6.3b against oracle of 3.2b and baseline of 15.8b

bsearch63.0ms

Steps
ItersRangePoint
9
32200978691.942776
2.815342563409213e+16
337398417361397.56

simplify11.0ms

Iterations
IterNodes
done33
133
029

end0.0ms

sample1.6s

Algorithm
intervals
Results
606.0ms726×body640valid
340.0ms5820×body80valid
209.0ms854×body1280valid
125.0ms8000×pre80true
52.0ms202×body160valid
50.0ms398×body320valid