Details

Time bar (total: 22.1s)

sample115.0ms

Algorithm
intervals
Results
42.0ms36×body2560valid
21.0ms184×body80valid
16.0ms29×body1280valid
8.0ms77×body80nan
5.0ms10×body640valid
3.0ms10×body320valid
3.0msbody5120valid
1.0msbody160valid

simplify119.0ms

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: 30.7b

localize38.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
1.1b
(- (sqrt (fma b b (* (* a -4) c))) b)
1.5b
(fma b b (* (* a -4) c))
23.1b
(sqrt (fma b b (* (* a -4) c)))

rewrite40.0ms

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:
17.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
19.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
0.0ms
(fma b b (* (* a -4) c))
3.0ms
(sqrt (fma b b (* (* a -4) c)))

series458.0ms

Counts
4 → 12
Calls
4 calls:
160.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
111.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
56.0ms
(fma b b (* (* a -4) c))
131.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.1s

Counts
126 → 126
Iterations
IterNodes
32626
2950
1405
0180

prune1.5s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.5b

localize40.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
1.1b
(- (sqrt (fma b b (* (* a -4) c))) b)
1.5b
(fma b b (* (* a -4) c))
23.1b
(sqrt (fma b b (* (* a -4) c)))

rewrite55.0ms

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:
44.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
8.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
0.0ms
(fma b b (* (* a -4) c))
1.0ms
(sqrt (fma b b (* (* a -4) c)))

series465.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
112.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
88.0ms
(fma b b (* (* a -4) c))
118.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify3.0s

Counts
127 → 127
Iterations
IterNodes
33169
21190
1467
0200

prune1.6s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.5b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* -4 a) c))) b) a)
1.1b
(- (sqrt (fma b b (* (* -4 a) c))) b)
1.5b
(fma b b (* (* -4 a) c))
23.1b
(sqrt (fma b b (* (* -4 a) c)))

rewrite42.0ms

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:
23.0ms
(/ (- (sqrt (fma b b (* (* -4 a) c))) b) a)
14.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
0.0ms
(fma b b (* (* -4 a) c))
2.0ms
(sqrt (fma b b (* (* -4 a) c)))

series476.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(/ (- (sqrt (fma b b (* (* -4 a) c))) b) a)
124.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
70.0ms
(fma b b (* (* -4 a) c))
106.0ms
(sqrt (fma b b (* (* -4 a) c)))

simplify1.3s

Counts
126 → 126
Iterations
IterNodes
32638
2952
1404
0180

prune1.5s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.5b

localize46.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (fma b b (* (* -4 a) c))) b) (/ 1 a))
1.1b
(- (sqrt (fma b b (* (* -4 a) c))) b)
1.5b
(fma b b (* (* -4 a) c))
23.1b
(sqrt (fma b b (* (* -4 a) c)))

rewrite53.0ms

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:
27.0ms
(* (- (sqrt (fma b b (* (* -4 a) c))) b) (/ 1 a))
21.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
0.0ms
(fma b b (* (* -4 a) c))
2.0ms
(sqrt (fma b b (* (* -4 a) c)))

series495.0ms

Counts
4 → 12
Calls
4 calls:
172.0ms
(* (- (sqrt (fma b b (* (* -4 a) c))) b) (/ 1 a))
148.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
85.0ms
(fma b b (* (* -4 a) c))
90.0ms
(sqrt (fma b b (* (* -4 a) c)))

simplify3.4s

Counts
127 → 127
Iterations
IterNodes
33147
21186
1466
0200

prune1.4s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.5b

regimes344.0ms

Accuracy

84.2% (4.4b remaining)

Error of 10.0b against oracle of 5.6b and baseline of 33.4b

bsearch247.0ms

Steps
ItersRangePoint
10
8.951341119180922e-71
6.02619389320856e-56
3.289226058156428e-70
8
-5.520406447692031e+155
-8.116303404487084e+152
-4.82289647433212e+153

simplify8.0ms

Iterations
IterNodes
230
130
026

end0.0ms

sample4.1s

Algorithm
intervals
Results
1.0s5824×body80valid
989.0ms1114×body2560valid
650.0ms912×body1280valid
548.0ms414×body640valid
334.0ms2907×body80nan
130.0ms232×body320valid
124.0ms110×body5120valid
22.0ms100×body160valid