Details

Time bar (total: 14.4s)

sample117.0ms

Algorithm
intervals
Results
11.0ms43×body2560valid
9.0ms164×body80valid
6.0ms32×body1280valid
3.0ms80×body80nan
3.0ms16×body640valid
3.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify354.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (9.0ms)

IterNodesCost
010283
114283
222243
325243
427243
529243
done29243

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.5b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b_2 b_2) (* a c))
0.4b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite176.0ms

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:
12.0ms
(- (* b_2 b_2) (* a c))
93.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
52.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
11.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series442.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(- (* b_2 b_2) (* a c))
154.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
112.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
132.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.3s

Counts
96 → 96
Iterations

Useful iterations: done (1.3s)

IterNodesCost
015433768
138430653
2146330453
done500030413

prune644.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.6b

localize6.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
000
done00

prune56.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.6b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b_2 b_2) (* a c))
0.4b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite237.0ms

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:
12.0ms
(- (* b_2 b_2) (* a c))
170.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
33.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
17.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series364.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(- (* b_2 b_2) (* a c))
141.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
78.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
86.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify3.7s

Counts
97 → 97
Iterations

Useful iterations: done (3.7s)

IterNodesCost
017433022
145328023
2271626591
done500126431

prune522.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 3.6b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b_2 b_2) (* a c))
0.4b
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
21.2b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite224.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*l* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*r*
flip3-- sqrt-prod flip--
sub-neg prod-exp difference-of-squares
unswap-sqr
distribute-rgt-in frac-times distribute-lft-in sqrt-div diff-log div-exp associate-*r/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*l/ *-commutative div-inv
Counts
4 → 88
Calls
4 calls:
12.0ms
(- (* b_2 b_2) (* a c))
126.0ms
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
67.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
15.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series437.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (* b_2 b_2) (* a c))
182.0ms
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
120.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
75.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.0s

Counts
100 → 100
Iterations

Useful iterations: done (2.0s)

IterNodesCost
016233222
143929009
2223227166
done500127006

prune433.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 3.6b

regimes399.0ms

Accuracy

87.8% (4.2b remaining)

Error of 9.4b against oracle of 5.2b and baseline of 39.5b

bsearch69.0ms

Steps
ItersRangePoint
2
3.964947473899983e-62
4.720485511979589e-62
4.626043257219638e-62
7
-5.856362438573669e+138
-1.280729871585891e+137
-3.450829996567048e+138

simplify9.0ms

Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
024748
128748
done28748

end0.0ms

sample2.8s

Algorithm
intervals
Results
677.0ms1095×body2560valid
587.0ms470×body640valid
498.0ms5788×body80valid
301.0ms885×body1280valid
212.0ms2874×body80nan
50.0ms110×body5120valid
41.0ms244×body320valid
13.0ms116×body160valid