Details

Time bar (total: 12.2s)

sample285.0ms

Algorithm
intervals
Results
8.0ms194×body80valid
7.0ms40×body2560valid
4.0ms28×body1280valid
2.0ms76×body80nan
1.0ms10×body640valid
0.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify21.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11413
22212
32512
42712
52912
done2912

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.1b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.2b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
0.4b
(- (* b_2 b_2) (* a c))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
35×*-un-lft-identity
16×add-sqr-sqrt
15×add-cube-cbrt times-frac
10×distribute-lft-out add-log-exp
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in associate-/l*
associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp neg-log clear-num div-inv
Counts
4 → 80
Calls
4 calls:
33.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
21.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(- (* b_2 b_2) (* a c))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series271.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
72.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
34.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.5s

Counts
92 → 92
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01511534
13581440
210081266
331301252
done50011251

prune233.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.7b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.2b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
0.4b
(- (* b_2 b_2) (* a c))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
21×add-sqr-sqrt
13×add-exp-log add-cube-cbrt associate-*r*
11×times-frac
10×add-log-exp
add-cbrt-cube
pow1
associate-*l*
prod-exp distribute-lft-out
flip3-+ sqrt-prod flip-+ unswap-sqr
frac-times flip3-- distribute-rgt-neg-in sqrt-div div-exp associate-*l/ sum-log flip-- cbrt-unprod
cbrt-undiv +-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square rec-exp sqrt-pow1 pow1/2 diff-log 1-exp associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv
Counts
4 → 84
Calls
4 calls:
50.0ms
(* (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
11.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(- (* b_2 b_2) (* a c))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series258.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(* (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
72.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
33.0ms
(- (* b_2 b_2) (* a c))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.8s

Counts
96 → 96
Iterations

Useful iterations: 3 (1.5s)

IterNodesCost
01751643
14471441
213051224
347141198
done50001198

prune227.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.7b

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b_2 b_2) (* a c))
0.4b
(- (* b_2 b_2) (* a c))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log flip3-- sqrt-div add-cbrt-cube flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log
Counts
4 → 54
Calls
4 calls:
2.0ms
(- (* b_2 b_2) (* a c))
2.0ms
(- (* b_2 b_2) (* a c))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series190.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (* b_2 b_2) (* a c))
37.0ms
(- (* b_2 b_2) (* a c))
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
66 → 66
Iterations

Useful iterations: 4 (889.0ms)

IterNodesCost
058826
1140762
2411678
31192678
43765676
done5000676

prune213.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.7b

localize12.0ms

Local error

Found 4 expressions with local error:

0.4b
(- (* b_2 b_2) (* a c))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))
24.8b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity
sqrt-div add-log-exp
add-exp-log flip3-- add-cbrt-cube flip--
rem-sqrt-square sqrt-pow1 pow1/2
sub-neg diff-log
Counts
4 → 57
Calls
4 calls:
3.0ms
(- (* b_2 b_2) (* a c))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series218.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(- (* b_2 b_2) (* a c))
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))
64.0ms
(sqrt (- (* b_2 b_2) (* a c)))
59.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.1s

Counts
69 → 69
Iterations

Useful iterations: 4 (883.0ms)

IterNodesCost
058891
1140805
2411727
31192727
43765724
done5000724

prune216.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 5.7b

regimes207.0ms

Accuracy

90.3% (2.8b remaining)

Error of 8.6b against oracle of 5.8b and baseline of 34.3b

bsearch158.0ms

Steps
ItersRangePoint
8
1.5276508475467709e+44
4.1560730947117816e+46
4.0029022431090705e+44
10
9.410701402418836e-271
4.7345175229648096e-260
2.2009669688403957e-265
11
-1.829086240692416e+154
-2.187052964502477e+134
-1.0524969308880696e+141

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03562
14360
done4360

end0.0ms

sample989.0ms

Algorithm
intervals
Results
215.0ms1107×body2560valid
195.0ms5865×body80valid
140.0ms908×body1280valid
90.0ms2861×body80nan
55.0ms422×body640valid
23.0ms97×body5120valid
20.0ms216×body320valid
7.0ms117×body160valid