Details

Time bar (total: 6.5s)

sample55.0ms

Algorithm
intervals
Results
11.0ms110×body320valid
9.0ms513×pre80true
8.0ms257×body80nan
7.0ms103×body160valid
2.0ms14×body640valid
1.0ms29×body80valid

simplify56.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01217
12217
24216
38216
410016
510816
done10816

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3.0 a) c))
0.2b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
0.3b
(* (* 3.0 a) c)
29.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
15×sqrt-prod
14×add-exp-log add-cbrt-cube
pow1
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u
flip3-- associate-*r* pow-prod-down flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
frac-2neg div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
4 → 109
Calls
4 calls:
3.0ms
(- (* b b) (* (* 3.0 a) c))
48.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
7.0ms
(* (* 3.0 a) c)
24.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

series259.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (* b b) (* (* 3.0 a) c))
111.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
20.0ms
(* (* 3.0 a) c)
79.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

simplify1.0s

Counts
121 → 121
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02012338
14992065
218011747
done50001728

prune270.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.0b

localize3.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune28.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 2.0b

localize12.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
expm1-log1p-u associate-*l* log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 84
Calls
3 calls:
3.0ms
(/ (* a c) b)
9.0ms
(* -1.5 (/ (* a c) b))
9.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series75.0ms

Counts
3 → 9
Calls
3 calls:
25.0ms
(/ (* a c) b)
28.0ms
(* -1.5 (/ (* a c) b))
22.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify981.0ms

Counts
93 → 93
Iterations

Useful iterations: 2 (189.0ms)

IterNodesCost
01291138
13831097
21928813
done5001813

prune176.0ms

Pruning

17 alts after pruning (16 fresh and 1 done)

Merged error: 2.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(/ 1 (* 3.0 a))
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
147×add-exp-log
77×add-cbrt-cube
76×prod-exp
38×div-exp
34×cbrt-unprod
20×cbrt-undiv
15×add-sqr-sqrt
14×pow1 associate-*r*
13×add-cube-cbrt *-un-lft-identity
12×times-frac
10×rec-exp 1-exp
pow-prod-down
expm1-log1p-u associate-*r/ associate-*l* associate-/r* log1p-expm1-u div-inv associate-/l* add-log-exp
pow-flip frac-2neg clear-num *-commutative
frac-times associate-*l/ un-div-inv inv-pow unswap-sqr
Counts
4 → 146
Calls
4 calls:
4.0ms
(/ (* a c) b)
5.0ms
(/ 1 (* 3.0 a))
9.0ms
(* -1.5 (/ (* a c) b))
32.0ms
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

series88.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(/ (* a c) b)
16.0ms
(/ 1 (* 3.0 a))
32.0ms
(* -1.5 (/ (* a c) b))
21.0ms
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

simplify1.3s

Counts
158 → 158
Iterations

Useful iterations: 2 (298.0ms)

IterNodesCost
01922046
15771784
220961336
done50001336

prune204.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 2.0b

regimes259.0ms

Accuracy

0% (3.6b remaining)

Error of 6.2b against oracle of 2.7b and baseline of 6.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
165
done65

end0.0ms

sample1.5s

Algorithm
intervals
Results
351.0ms3597×body320valid
294.0ms15981×pre80true
251.0ms7981×body80nan
188.0ms2956×body160valid
68.0ms519×body640valid
30.0ms928×body80valid