Details

Time bar (total: 15.9s)

sample141.0ms

Algorithm
intervals
Results
36.0ms137×body160valid
32.0ms262×body80nan
31.0ms518×pre80true
15.0ms119×body80valid

simplify100.0ms

Counts
1 → 1
Iterations
IterNodes
done98
598
490
374
242
121
012

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.4b

localize47.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* (* 3 a) c))
0.3b
(* (* 3 a) c)
0.4b
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
28.3b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

rewrite230.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×add-cbrt-cube add-exp-log
13×*-un-lft-identity
pow1
add-log-exp
add-cube-cbrt
times-frac associate-/l* difference-of-squares
prod-exp cbrt-unprod insert-posit16
flip3-- associate-*r* pow-prod-down sqrt-prod flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
clear-num associate-/r* frac-2neg div-sub associate-*l* *-commutative div-inv
Counts
4 → 79
Calls
4 calls:
8.0ms
(- (* b b) (* (* 3 a) c))
28.0ms
(* (* 3 a) c)
125.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
68.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

series374.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(- (* b b) (* (* 3 a) c))
26.0ms
(* (* 3 a) c)
152.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
127.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

simplify1.7s

Counts
91 → 91
Iterations
IterNodes
done5001
21542
1424
0158

prune541.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 8.5b

localize13.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune104.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 8.5b

localize27.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(* -3/2 (/ (* a c) b))
0.4b
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
49×add-cbrt-cube add-exp-log
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
times-frac associate-*r*
pow1
associate-/r*
associate-*l* insert-posit16 div-inv add-log-exp
clear-num frac-2neg associate-*r/ associate-/l*
pow-prod-down *-commutative unswap-sqr associate-/l/
Counts
3 → 81
Calls
3 calls:
14.0ms
(/ (* a c) b)
25.0ms
(* -3/2 (/ (* a c) b))
19.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

series108.0ms

Counts
3 → 9
Calls
3 calls:
43.0ms
(/ (* a c) b)
40.0ms
(* -3/2 (/ (* a c) b))
25.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

simplify1.5s

Counts
90 → 90
Iterations
IterNodes
done5014
22315
1382
0126

prune528.0ms

Pruning

32 alts after pruning (31 fresh and 1 done)

Merged error: 8.4b

localize30.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ a (/ b c))
0.3b
(/ (* -2 a) (/ a (/ b c)))
0.3b
(/ 1 (/ (* -2 a) (/ a (/ b c))))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
838×times-frac
309×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
106×associate-/r*
102×add-exp-log
65×div-exp
58×add-cbrt-cube
35×div-inv
34×cbrt-undiv
13×associate-/r/
12×prod-exp
rec-exp 1-exp associate-/l*
cbrt-unprod
pow1
clear-num frac-2neg insert-posit16 add-log-exp
pow-flip inv-pow
Counts
3 → 425
Calls
3 calls:
6.0ms
(/ a (/ b c))
18.0ms
(/ (* -2 a) (/ a (/ b c)))
17.0ms
(/ 1 (/ (* -2 a) (/ a (/ b c))))

series114.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ a (/ b c))
39.0ms
(/ (* -2 a) (/ a (/ b c)))
36.0ms
(/ 1 (/ (* -2 a) (/ a (/ b c))))

simplify1.5s

Counts
434 → 434
Iterations
IterNodes
done5002
11877
0645

prune1.9s

Pruning

42 alts after pruning (42 fresh and 0 done)

Merged error: 8.3b

regimes1.5s

Accuracy

47% (7.3b remaining)

Error of 16.3b against oracle of 9.0b and baseline of 22.7b

bsearch52.0ms

Steps
ItersRangePoint
2
554.8853353555609
627.0778694758378
563.9094021205955

simplify12.0ms

Iterations
IterNodes
done40
140
028

end0.0ms

sample5.3s

Algorithm
intervals
Results
1.9s8426×body80nan
1.3s4483×body160valid
1.1s16426×pre80true
503.0ms3517×body80valid