Details

Time bar (total: 21.7s)

sample175.0ms

Algorithm
intervals
Results
31.0ms182×body80valid
31.0ms30×body2560valid
28.0ms32×body1280valid
27.0msbody320valid
18.0ms86×body80nan
8.0msbody640valid
6.0msbody5120valid
2.0msbody160valid

simplify138.0ms

Counts
1 → 1
Iterations
IterNodes
8105
7105
6104
5102
494
377
244
125
014

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.9b

localize20.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
1.8b
(fma b b (* (* a -4) c))
2.5b
(- (sqrt (fma b b (* (* a -4) c))) b)
21.7b
(sqrt (fma b b (* (* a -4) c)))

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
51×add-sqr-sqrt
40×*-un-lft-identity
30×add-cube-cbrt
20×sqrt-prod
18×times-frac prod-diff
10×difference-of-squares
add-cbrt-cube fma-neg add-exp-log associate-/l* add-log-exp
pow1 distribute-lft-out--
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-/r*
flip3-- flip-- associate-/l/
cbrt-undiv rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp fma-udef div-inv
Counts
4 → 114
Calls
4 calls:
37.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
0.0ms
(fma b b (* (* a -4) c))
8.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series435.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
58.0ms
(fma b b (* (* a -4) c))
102.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
117.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.0s

Counts
126 → 126
Iterations
IterNodes
32656
2950
1407
0180

prune1.6s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
1.8b
(fma b b (* (* a -4) c))
2.5b
(- (sqrt (fma b b (* (* a -4) c))) b)
21.7b
(sqrt (fma b b (* (* a -4) c)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
43×add-sqr-sqrt
32×*-un-lft-identity
27×add-cube-cbrt
18×prod-diff
17×sqrt-prod
13×associate-*r* add-exp-log
11×times-frac
add-cbrt-cube
pow1
fma-neg associate-*l* add-log-exp
expm1-log1p-u prod-exp insert-posit16 log1p-expm1-u difference-of-squares
flip3-- flip-- unswap-sqr
frac-times div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sub-neg sqrt-pow1 pow1/2 diff-log 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative fma-udef div-inv
Counts
4 → 115
Calls
4 calls:
47.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
0.0ms
(fma b b (* (* a -4) c))
15.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series431.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
53.0ms
(fma b b (* (* a -4) c))
122.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
91.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.5s

Counts
127 → 127
Iterations
IterNodes
33216
21188
1468
0200

prune1.7s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.0b

localize48.0ms

Local error

Found 4 expressions with local error:

2.5b
(- (sqrt (fma b b (* (* a -4) c))) b)
21.7b
(sqrt (fma b b (* (* a -4) c)))
21.7b
(sqrt (fma b b (* (* a -4) c)))
21.7b
(sqrt (fma b b (* (* a -4) c)))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
23×*-un-lft-identity
22×sqrt-prod
21×add-cube-cbrt
18×prod-diff
pow1
fma-neg add-log-exp
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
rem-sqrt-square sqrt-pow1 pow1/2
difference-of-squares
sub-neg flip3-- diff-log flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
8.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
1.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series527.0ms

Counts
4 → 12
Calls
4 calls:
132.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
138.0ms
(sqrt (fma b b (* (* a -4) c)))
127.0ms
(sqrt (fma b b (* (* a -4) c)))
129.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.8s

Counts
102 → 102
Iterations
IterNodes
43209
31212
2439
1211
0100

prune1.5s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.0b

localize43.0ms

Local error

Found 4 expressions with local error:

1.8b
(fma b b (* (* a -4) c))
21.7b
(sqrt (fma b b (* (* a -4) c)))
21.7b
(sqrt (fma b b (* (* a -4) c)))
22.2b
(fma (sqrt (sqrt (fma b b (* (* a -4) c)))) (sqrt (sqrt (fma b b (* (* a -4) c)))) (- b))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 54
Calls
4 calls:
0.0ms
(fma b b (* (* a -4) c))
1.0ms
(sqrt (fma b b (* (* a -4) c)))
1.0ms
(sqrt (fma b b (* (* a -4) c)))
0.0ms
(fma (sqrt (sqrt (fma b b (* (* a -4) c)))) (sqrt (sqrt (fma b b (* (* a -4) c)))) (- b))

series490.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(fma b b (* (* a -4) c))
119.0ms
(sqrt (fma b b (* (* a -4) c)))
151.0ms
(sqrt (fma b b (* (* a -4) c)))
157.0ms
(fma (sqrt (sqrt (fma b b (* (* a -4) c)))) (sqrt (sqrt (fma b b (* (* a -4) c)))) (- b))

simplify4.1s

Counts
66 → 66
Iterations
IterNodes
57157
41699
3617
2259
1122
067

prune764.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 5.9b

regimes570.0ms

Accuracy

82.7% (4.8b remaining)

Error of 10.3b against oracle of 5.6b and baseline of 33.2b

bsearch223.0ms

Steps
ItersRangePoint
7
6.1141969789339016e-111
5.505912162480727e-109
9.831724396970673e-110
8
-1.7996802595953755e+64
-1.2634430355867738e+61
-1.6124768939899423e+64

simplify11.0ms

Iterations
IterNodes
235
135
028

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.5s1109×body2560valid
901.0ms5850×body80valid
724.0ms885×body1280valid
416.0ms2882×body80nan
307.0ms419×body640valid
142.0ms229×body320valid
140.0ms114×body5120valid
32.0ms127×body160valid