Details

Time bar (total: 17.9s)

sample134.0ms

Algorithm
intervals
Results
33.0ms36×body2560valid
31.0ms184×body80valid
22.0ms29×body1280valid
11.0ms77×body80nan
6.0ms10×body640valid
5.0ms10×body320valid
4.0msbody5120valid
1.0msbody160valid

simplify128.0ms

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

prune28.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.7b

localize44.0ms

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)))

rewrite54.0ms

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:
32.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
16.0ms
(- (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)))

series544.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
141.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
85.0ms
(fma b b (* (* a -4) c))
162.0ms
(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

localize34.0ms

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)))

rewrite38.0ms

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:
26.0ms
(* (- (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))
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series424.0ms

Counts
4 → 12
Calls
4 calls:
124.0ms
(* (- (sqrt (fma b b (* (* a -4) c))) b) (/ 1 a))
120.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
71.0ms
(fma b b (* (* a -4) c))
109.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify2.3s

Counts
127 → 127
Iterations
IterNodes
33169
21190
1467
0200

prune1.2s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.5b

localize22.0ms

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)))

rewrite32.0ms

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:
21.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) 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)))

series370.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
98.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
61.0ms
(fma b b (* (* a -4) c))
87.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify889.0ms

Counts
126 → 126
Iterations
IterNodes
32626
2950
1405
0180

prune1.1s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.5b

localize28.0ms

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)))

rewrite35.0ms

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:
25.0ms
(* (- (sqrt (fma b b (* (* -4 a) c))) b) (/ 1 a))
7.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
0.0ms
(fma b b (* (* -4 a) c))
1.0ms
(sqrt (fma b b (* (* -4 a) c)))

series363.0ms

Counts
4 → 12
Calls
4 calls:
120.0ms
(* (- (sqrt (fma b b (* (* -4 a) c))) b) (/ 1 a))
96.0ms
(- (sqrt (fma b b (* (* -4 a) c))) b)
58.0ms
(fma b b (* (* -4 a) c))
89.0ms
(sqrt (fma b b (* (* -4 a) c)))

simplify2.1s

Counts
127 → 127
Iterations
IterNodes
33147
21186
1466
0200

prune1.1s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.5b

regimes306.0ms

Accuracy

84.2% (4.4b remaining)

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

bsearch206.0ms

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

simplify5.0ms

Iterations
IterNodes
230
130
026

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.2s1114×body2560valid
968.0ms912×body1280valid
649.0ms5824×body80valid
274.0ms2907×body80nan
200.0ms414×body640valid
88.0ms232×body320valid
77.0ms110×body5120valid
19.0ms100×body160valid