Details

Time bar (total: 14.9s)

sample325.0ms

Algorithm
intervals
Results
16.0ms29×body2560valid
15.0ms202×body80valid
11.0ms31×body1280valid
7.0ms106×body80nan
3.0msbody640valid
2.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify28.0ms

Counts
1 → 1
Iterations
IterNodes
done29
529
427
325
222
114
010

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize58.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
0.8b
(- (* b_2 b_2) (* a c))
0.8b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
24.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite546.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- 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 → 84
Calls
4 calls:
430.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
45.0ms
(- (* b_2 b_2) (* a c))
35.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
18.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series344.0ms

Counts
4 → 12
Calls
4 calls:
103.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
47.0ms
(- (* b_2 b_2) (* a c))
89.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
104.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify882.0ms

Counts
96 → 96
Iterations
IterNodes
done5001
21459
1384
0154

prune567.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.9b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
0.8b
(- (* b_2 b_2) (* a c))
0.8b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
24.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite257.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*r* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
prod-exp difference-of-squares
unswap-sqr
frac-times sub-neg sqrt-div diff-log div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 85
Calls
4 calls:
203.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
6.0ms
(- (* b_2 b_2) (* a c))
37.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series418.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
64.0ms
(- (* b_2 b_2) (* a c))
121.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
95.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.8s

Counts
97 → 97
Iterations
IterNodes
done5001
22888
1454
0174

prune473.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.9b

localize27.0ms

Local error

Found 4 expressions with local error:

0.8b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.8b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
24.3b
(sqrt (- (* b_2 b_2) (* a c)))
24.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×*-un-lft-identity
sqrt-prod add-log-exp
pow1 add-cube-cbrt
flip3-- add-cbrt-cube sqrt-div add-exp-log flip-- difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
35.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
58.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series816.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
129.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
102.0ms
(sqrt (- (* b_2 b_2) (* a c)))
474.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.3s

Counts
72 → 72
Iterations
IterNodes
done5000
33680
2717
1191
078

prune506.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 7.9b

localize12.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune1.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 7.9b

regimes593.0ms

Accuracy

84.3% (4.5b remaining)

Error of 10.2b against oracle of 5.7b and baseline of 34.5b

bsearch116.0ms

Steps
ItersRangePoint
8
1.5119020269574885e-23
1.8921341643334238e-20
9.136492990928292e-23
6
-1.7989235910837076e+89
-1.4585470499056154e+88
-1.7633154797394035e+89

simplify9.0ms

Iterations
IterNodes
done33
133
026

end0.0ms

sample2.7s

Algorithm
intervals
Results
516.0ms1059×body2560valid
500.0ms115×body160valid
496.0ms5860×body80valid
345.0ms902×body1280valid
247.0ms2871×body80nan
128.0ms434×body640valid
54.0ms124×body5120valid
36.0ms224×body320valid