Details

Time bar (total: 31.6s)

sample128.0ms

Algorithm
intervals
Results
31.0ms139×body160valid
29.0ms268×body80nan
29.0ms524×pre80true
14.0ms117×body80valid

simplify135.0ms

Counts
1 → 1
Iterations
IterNodes
893
793
692
590
482
366
240
121
012

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.7b

localize21.0ms

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))
28.6b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

rewrite173.0ms

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:
10.0ms
(- (* b b) (* (* 3 a) c))
16.0ms
(* (* 3 a) c)
81.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
64.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

series362.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(- (* b b) (* (* 3 a) c))
25.0ms
(* (* 3 a) c)
144.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
113.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

simplify6.0s

Counts
91 → 91
Iterations
IterNodes
36170
21501
1422
0158

prune968.0ms

Pruning

19 alts after pruning (19 fresh and 0 done)

Merged error: 8.9b

localize7.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune114.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 8.9b

localize38.0ms

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))

rewrite54.0ms

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:
13.0ms
(/ (* a c) b)
13.0ms
(* -3/2 (/ (* a c) b))
25.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

series109.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ (* a c) b)
40.0ms
(* -3/2 (/ (* a c) b))
31.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

simplify12.7s

Counts
90 → 90
Iterations
IterNodes
315215
21842
1363
0126

prune838.0ms

Pruning

33 alts after pruning (32 fresh and 1 done)

Merged error: 8.8b

localize17.0ms

Local error

Found 1 expressions with local error:

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

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
33×times-frac
22×add-exp-log
17×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
12×div-exp
10×add-cbrt-cube
associate-/r*
cbrt-undiv div-inv
rec-exp 1-exp prod-exp associate-/l*
pow1
clear-num frac-2neg associate-/r/ cbrt-unprod insert-posit16 pow-flip inv-pow add-log-exp
Counts
1 → 57
Calls
1 calls:
21.0ms
(/ 1 (/ b (* -1/2 c)))

series32.0ms

Counts
1 → 3
Calls
1 calls:
32.0ms
(/ 1 (/ b (* -1/2 c)))

simplify3.6s

Counts
60 → 60
Iterations
IterNodes
33381
2821
1266
0114

prune428.0ms

Pruning

34 alts after pruning (33 fresh and 1 done)

Merged error: 8.8b

regimes1.2s

Accuracy

48.9% (7.2b remaining)

Error of 16.3b against oracle of 9.1b and baseline of 23.2b

bsearch4.0ms

Steps
ItersRangePoint
0
1524.7050242439143
1575.0960898183166
1549.9005570311153

simplify10.0ms

Iterations
IterNodes
235
135
025

end0.0ms

sample4.6s

Algorithm
intervals
Results
1.6s4385×body160valid
1.1s16434×pre80true
1.0s8434×body80nan
480.0ms3615×body80valid