Details

Time bar (total: 8.5s)

sample28.0ms

Algorithm
intervals
Results
6.0ms256×pre80true
4.0ms178×body80valid
4.0ms34×body1280valid
2.0ms19×body640valid
1.0ms15×body320valid
1.0ms10×body160valid

simplify1.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
12013
23313
35113
47013
511913
614413
717313
820813
925913
1029813
1133113
1237813
1341513
1446313
1552513
1655113
1757813
1861013
1961813
done61813

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
2.6b
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

rewrite121.0ms

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-exp-log add-cbrt-cube add-log-exp
pow1 flip3-+ div-sub associate-/r/ flip-+ associate-/l/
cbrt-undiv +-commutative associate-+l- flip3-- frac-2neg div-exp clear-num sum-log flip-- div-inv
Counts
2 → 65
Calls
2 calls:
27.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
91.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

series107.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (- beta alpha) (+ (+ alpha beta) 2.0))
59.0ms
(+ (/ (- beta alpha) (+ (+ alpha beta) 2.0)) 1.0)

simplify1.5s

Counts
71 → 71
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01241134
13191074
28671014
337001006
done50001005

prune148.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 17.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ alpha (+ (+ alpha beta) 2.0))
0.0b
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
0.0b
(/ beta (+ (+ alpha beta) 2.0))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite381.0ms

Algorithm
rewrite-expression-head
Rules
71×*-un-lft-identity
34×add-sqr-sqrt
32×times-frac
24×add-cube-cbrt distribute-lft-out
11×add-log-exp
10×associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 diff-log associate-/r/ distribute-lft-out-- difference-of-squares
sub-neg flip3-- flip--
cbrt-undiv frac-2neg flip3-+ div-exp clear-num frac-sub flip-+ div-inv associate--r+
associate--r-
Counts
4 → 111
Calls
4 calls:
19.0ms
(/ alpha (+ (+ alpha beta) 2.0))
235.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
18.0ms
(/ beta (+ (+ alpha beta) 2.0))
104.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series227.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ alpha (+ (+ alpha beta) 2.0))
61.0ms
(- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))
48.0ms
(/ beta (+ (+ alpha beta) 2.0))
74.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify502.0ms

Counts
123 → 123
Iterations

Useful iterations: done (498.0ms)

IterNodesCost
01931936
14481814
213501730
done50001700

prune284.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize21.0ms

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))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

rewrite131.0ms

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-exp-log add-cbrt-cube
flip3-+ pow1/3 flip-+
difference-of-squares
sub-neg flip3-- times-frac diff-log flip-- distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
9.0ms
(cbrt (+ (+ alpha beta) 2.0))
102.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

series377.0ms

Counts
4 → 12
Calls
4 calls:
101.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
100.0ms
(cbrt (+ (+ alpha beta) 2.0))
76.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)

simplify808.0ms

Counts
72 → 72
Iterations

Useful iterations: 3 (279.0ms)

IterNodesCost
01201076
12821043
2674977
32050888
done5000888

prune313.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 2.7b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ beta (+ (+ alpha beta) 2.0))
0.6b
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
2.6b
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
10.6b
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

rewrite511.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
32×add-sqr-sqrt
18×times-frac
17×add-cube-cbrt
14×log-prod
12×distribute-lft-out
log-div
add-exp-log exp-sum distribute-lft-out--
pow1 add-cbrt-cube add-log-exp difference-of-squares
flip3-- associate-/r* flip--
exp-prod exp-diff frac-sub
associate-/l*
associate-/r/ log-pow
cbrt-undiv sub-neg frac-2neg flip3-+ diff-log div-exp rem-log-exp clear-num flip-+ div-inv rem-exp-log
Counts
4 → 95
Calls
4 calls:
20.0ms
(/ beta (+ (+ alpha beta) 2.0))
181.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
100.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
208.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

series319.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(/ beta (+ (+ alpha beta) 2.0))
65.0ms
(exp (log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0))))
80.0ms
(- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)
128.0ms
(log (- (/ beta (+ (+ alpha beta) 2.0)) (- (/ alpha (+ (+ alpha beta) 2.0)) 1.0)))

simplify488.0ms

Counts
107 → 107
Iterations

Useful iterations: done (485.0ms)

IterNodesCost
02112358
14672197
213152032
done50011980

prune264.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.7b

regimes125.0ms

Accuracy

78.1% (2.8b remaining)

Error of 6.0b against oracle of 3.3b and baseline of 15.9b

bsearch39.0ms

Steps
ItersRangePoint
5
391248603.19673574
1027443772.3458656
1015227874.2528594

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03699
14199
done4199

end0.0ms

sample614.0ms

Algorithm
intervals
Results
149.0ms5870×body80valid
104.0ms828×body1280valid
102.0ms8000×pre80true
69.0ms692×body640valid
30.0ms409×body320valid
10.0ms201×body160valid