Details

Time bar (total: 13.5s)

sample120.0ms

Algorithm
intervals
Results
26.0ms19×body640valid
24.0ms43×body2560valid
16.0ms155×body80valid
12.0ms26×body1280valid
8.0ms94×body80nan
3.0ms12×body320valid
3.0msbody5120valid
1.0msbody160valid

simplify84.0ms

Counts
1 → 1
Iterations
IterNodes
done128
5128
4119
386
246
125
014

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.8b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* 4.0 c) a))) b) a)
0.6b
(- (* b b) (* (* 4.0 c) a))
1.5b
(- (sqrt (- (* b b) (* (* 4.0 c) a))) b)
21.4b
(sqrt (- (* b b) (* (* 4.0 c) a)))

rewrite232.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
19×prod-diff
18×times-frac
10×difference-of-squares
add-log-exp
fma-neg
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
expm1-log1p-u flip3-- log1p-expm1-u flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 118
Calls
4 calls:
116.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 c) a))) b) a)
13.0ms
(- (* b b) (* (* 4.0 c) a))
84.0ms
(- (sqrt (- (* b b) (* (* 4.0 c) a))) b)
16.0ms
(sqrt (- (* b b) (* (* 4.0 c) a)))

series374.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(/ (- (sqrt (- (* b b) (* (* 4.0 c) a))) b) a)
58.0ms
(- (* b b) (* (* 4.0 c) a))
101.0ms
(- (sqrt (- (* b b) (* (* 4.0 c) a))) b)
100.0ms
(sqrt (- (* b b) (* (* 4.0 c) a)))

simplify2.5s

Counts
130 → 130
Iterations
IterNodes
done5001
22112
1509
0198

prune907.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (* -2.0 (/ c b)) 2.0)
0.0b
(* -2.0 (/ c b))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
16×add-cbrt-cube add-exp-log
13×times-frac associate-*r*
12×*-un-lft-identity add-cube-cbrt
cbrt-undiv div-exp
pow1 prod-exp cbrt-unprod
associate-/r* associate-*l*
expm1-log1p-u associate-*r/ log1p-expm1-u div-inv add-log-exp unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative associate-/l* associate-/l/
Counts
2 → 60
Calls
2 calls:
10.0ms
(/ (* -2.0 (/ c b)) 2.0)
11.0ms
(* -2.0 (/ c b))

series61.0ms

Counts
2 → 6
Calls
2 calls:
34.0ms
(/ (* -2.0 (/ c b)) 2.0)
27.0ms
(* -2.0 (/ c b))

simplify1.1s

Counts
66 → 66
Iterations
IterNodes
done5000
21313
1282
0110

prune442.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.3b

localize20.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (* -2.0 (/ c b)) (* (cbrt 2.0) (cbrt 2.0)))
1.0b
(cbrt 2.0)
1.0b
(cbrt 2.0)
1.0b
(cbrt 2.0)

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log
19×add-cbrt-cube
cbrt-prod
cbrt-undiv div-exp
add-sqr-sqrt *-un-lft-identity prod-exp add-cube-cbrt cbrt-unprod
expm1-log1p-u pow1 log1p-expm1-u add-log-exp
pow1/3
clear-num associate-/r* frac-2neg times-frac associate-*r/ div-inv associate-/l* associate-/l/
Counts
4 → 67
Calls
4 calls:
25.0ms
(/ (* -2.0 (/ c b)) (* (cbrt 2.0) (cbrt 2.0)))
1.0ms
(cbrt 2.0)
1.0ms
(cbrt 2.0)
1.0ms
(cbrt 2.0)

series216.0ms

Counts
4 → 6
Calls
4 calls:
216.0ms
(/ (* -2.0 (/ c b)) (* (cbrt 2.0) (cbrt 2.0)))
0.0ms
(cbrt 2.0)
0.0ms
(cbrt 2.0)
0.0ms
(cbrt 2.0)

simplify1.1s

Counts
73 → 73
Iterations
IterNodes
done5000
21567
1247
083

prune373.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 5.3b

localize54.0ms

Local error

Found 4 expressions with local error:

1.0b
(* (* (cbrt (cbrt 2.0)) (cbrt (cbrt 2.0))) (cbrt (cbrt 2.0)))
1.0b
(cbrt (cbrt 2.0))
1.0b
(cbrt (cbrt 2.0))
1.0b
(cbrt (cbrt 2.0))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
39×cbrt-prod
23×pow1
16×add-sqr-sqrt
13×*-un-lft-identity add-cube-cbrt
12×pow1/3
associate-*r* add-exp-log pow-prod-up
pow-plus
add-cbrt-cube pow-prod-down
expm1-log1p-u log1p-expm1-u add-log-exp
prod-exp pow-sqr cbrt-unprod unswap-sqr
pow2
associate-*l* pow3 *-commutative
Counts
4 → 89
Calls
4 calls:
53.0ms
(* (* (cbrt (cbrt 2.0)) (cbrt (cbrt 2.0))) (cbrt (cbrt 2.0)))
1.0ms
(cbrt (cbrt 2.0))
1.0ms
(cbrt (cbrt 2.0))
6.0ms
(cbrt (cbrt 2.0))

series0.0ms

Counts
4 → 4
Calls
4 calls:
0.0ms
(* (* (cbrt (cbrt 2.0)) (cbrt (cbrt 2.0))) (cbrt (cbrt 2.0)))
0.0ms
(cbrt (cbrt 2.0))
0.0ms
(cbrt (cbrt 2.0))
0.0ms
(cbrt (cbrt 2.0))

simplify1000.0ms

Counts
93 → 93
Iterations
IterNodes
done5000
2608
1144
064

prune514.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 5.3b

regimes501.0ms

Accuracy

85.5% (4.8b remaining)

Error of 10.4b against oracle of 5.6b and baseline of 39.0b

bsearch206.0ms

Steps
ItersRangePoint
12
2.4919208328047006e-151
1.0529347607547997e-106
6.484072051994264e-107
8
-6.412561728939963e+28
-6.810701174428621e+25
-6.336287344206649e+28

simplify9.0ms

Iterations
IterNodes
done36
136
032

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.6s5735×body80valid
564.0ms1104×body2560valid
548.0ms957×body1280valid
212.0ms2942×body80nan
130.0ms461×body640valid
77.0ms226×body320valid
62.0ms106×body5120valid
57.0ms119×body160valid