Details

Time bar (total: 5.5s)

sample41.0ms

Algorithm
intervals
Results
6.0ms173×body80valid
6.0ms29×body2560valid
5.0ms27×body1280valid
3.0ms83×body80nan
3.0ms21×body640valid
1.0msbody5120valid
1.0ms12×body320valid
1.0ms11×body160valid

simplify11.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0249
1459
2799
3979
41059
51059
done1059

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.3b

localize15.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
1.8b
(- (* b b) (* (* 4.0 a) c))
2.3b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
68.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
8.0ms
(- (* b b) (* (* 4.0 a) c))
21.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series309.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
46.0ms
(- (* b b) (* (* 4.0 a) c))
81.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify44.0ms

Counts
82 → 82
Iterations

Useful iterations: 2 (36.0ms)

IterNodesCost
0405779
11563685
25001674
done5001674

prune216.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.1b

localize16.0ms

Local error

Found 4 expressions with local error:

1.8b
(- (* b b) (* (* 4.0 a) c))
3.6b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
13.4b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
80×add-sqr-sqrt
79×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
20×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
13×sqrt-prod
10×distribute-rgt-neg-in
associate-/r*
cbrt-undiv div-exp
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 148
Calls
4 calls:
8.0ms
(- (* b b) (* (* 4.0 a) c))
85.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
58.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series456.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* (* 4.0 a) c))
151.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
186.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify108.0ms

Counts
160 → 160
Iterations

Useful iterations: 2 (86.0ms)

IterNodesCost
06402579
131552333
250012320
done50012320

prune402.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.9b

localize19.0ms

Local error

Found 4 expressions with local error:

13.4b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.6b
(sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite86.0ms

Algorithm
rewrite-expression-head
Rules
34×*-un-lft-identity
32×add-sqr-sqrt
24×sqrt-pow1 sqrt-div
22×pow1
21×times-frac
18×add-cube-cbrt
11×pow1/2 sqrt-prod
flip3-- flip--
distribute-lft-out-- difference-of-squares
associate-/r*
add-exp-log add-cbrt-cube
pow-prod-up
frac-times distribute-rgt-neg-in add-log-exp
rem-sqrt-square pow-prod-down pow-sqr associate-/l*
associate-*r/ associate-*l/ associate-/r/ associate-/l/
cbrt-undiv pow2 frac-2neg flip3-+ pow-plus div-exp clear-num flip-+ div-inv
Counts
4 → 109
Calls
4 calls:
37.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
25.0ms
(sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series404.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))))
72.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
73.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
73.0ms
(sqrt (* (sqrt (- (* b b) (* (* 4.0 a) c))) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify82.0ms

Counts
121 → 121
Iterations

Useful iterations: 2 (68.0ms)

IterNodesCost
04351781
119721578
250021556
done50021556

prune363.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 6.9b

localize21.0ms

Local error

Found 4 expressions with local error:

13.4b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.6b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
35×*-un-lft-identity
21×times-frac
19×add-cube-cbrt
13×sqrt-prod
distribute-lft-out-- difference-of-squares
pow1 associate-/r*
add-exp-log sqrt-div add-cbrt-cube
flip3-- distribute-rgt-neg-in flip-- add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-/l*
associate-/r/ associate-/l/
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
4 → 92
Calls
4 calls:
57.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series405.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
71.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify72.0ms

Counts
104 → 104
Iterations

Useful iterations: 2 (61.0ms)

IterNodesCost
03461251
117131177
250011165
done50011165

prune394.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 6.9b

regimes327.0ms

Accuracy

88.1% (3.2b remaining)

Error of 8.7b against oracle of 5.5b and baseline of 32.4b

bsearch156.0ms

Steps
ItersRangePoint
4
9.113314976006761e+77
1.3987841324983815e+78
9.191824015256067e+77
10
1.0608417311709853e-197
3.7252229925148765e-182
2.8749878520377998e-182
8
-3.942677352963429e+147
-2.908826449852181e+144
-1.3882094406717058e+145

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
04835
15035
25035
done5035

end0.0ms

sample1.2s

Algorithm
intervals
Results
246.0ms1149×body2560valid
224.0ms5800×body80valid
159.0ms887×body1280valid
112.0ms2854×body80nan
65.0ms474×body640valid
26.0ms254×body320valid
24.0ms92×body5120valid
8.0ms108×body160valid