Details

Time bar (total: 18.0s)

sample127.0ms

Algorithm
intervals
Results
27.0ms186×body80valid
21.0ms29×body2560valid
18.0ms24×body1280valid
18.0ms17×body640valid
11.0ms88×body80nan
5.0ms10×body320valid
3.0msbody5120valid

simplify143.0ms

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

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.4b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
1.0b
(- (sqrt (fma b b (* (* a -4) c))) b)
2.0b
(fma b b (* (* a -4) c))
24.4b
(sqrt (fma b b (* (* a -4) c)))

rewrite37.0ms

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:
26.0ms
(/ (- (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)))

series503.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(/ (- (sqrt (fma b b (* (* a -4) c))) b) a)
125.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
91.0ms
(fma b b (* (* a -4) c))
137.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.2s

Counts
126 → 126
Iterations
IterNodes
32655
2951
1407
0180

prune1.6s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 5.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (fma b b (* (* a -4) c))) b)))
1.0b
(- (sqrt (fma b b (* (* a -4) c))) b)
2.0b
(fma b b (* (* a -4) c))
24.4b
(sqrt (fma b b (* (* a -4) c)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
137×add-sqr-sqrt
110×*-un-lft-identity
84×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
24×associate-/r*
18×prod-diff
15×add-exp-log
13×distribute-lft-out--
add-cbrt-cube associate-/r/
div-exp
pow1 fma-neg add-log-exp
flip3-- div-inv flip--
expm1-log1p-u insert-posit16 log1p-expm1-u
cbrt-undiv associate-/l*
rec-exp 1-exp
rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log fma-udef pow-flip inv-pow
Counts
4 → 192
Calls
4 calls:
24.0ms
(/ 1 (/ a (- (sqrt (fma b b (* (* a -4) c))) b)))
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)))

series468.0ms

Counts
4 → 12
Calls
4 calls:
174.0ms
(/ 1 (/ a (- (sqrt (fma b b (* (* a -4) c))) b)))
116.0ms
(- (sqrt (fma b b (* (* a -4) c))) b)
70.0ms
(fma b b (* (* a -4) c))
108.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify1.7s

Counts
204 → 204
Iterations
IterNodes
34409
21665
1647
0284

prune2.4s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 5.4b

localize51.0ms

Local error

Found 4 expressions with local error:

2.0b
(fma b b (* (* a -4) c))
24.4b
(sqrt (fma b b (* (* a -4) c)))
24.4b
(sqrt (fma b b (* (* a -4) c)))
24.4b
(sqrt (fma b b (* (* a -4) c)))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
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 → 59
Calls
4 calls:
0.0ms
(fma b b (* (* a -4) c))
2.0ms
(sqrt (fma b b (* (* a -4) c)))
2.0ms
(sqrt (fma b b (* (* a -4) c)))
3.0ms
(sqrt (fma b b (* (* a -4) c)))

series444.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(fma b b (* (* a -4) c))
109.0ms
(sqrt (fma b b (* (* a -4) c)))
134.0ms
(sqrt (fma b b (* (* a -4) c)))
128.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify817.0ms

Counts
71 → 71
Iterations
IterNodes
42301
3635
2218
194
049

prune1.4s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 5.4b

localize37.0ms

Local error

Found 4 expressions with local error:

2.0b
(fma b b (* (* a -4) c))
24.4b
(sqrt (fma b b (* (* a -4) c)))
24.4b
(sqrt (fma b b (* (* a -4) c)))
24.4b
(sqrt (fma b b (* (* a -4) c)))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
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 → 59
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)))
2.0ms
(sqrt (fma b b (* (* a -4) c)))

series367.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(fma b b (* (* a -4) c))
99.0ms
(sqrt (fma b b (* (* a -4) c)))
104.0ms
(sqrt (fma b b (* (* a -4) c)))
100.0ms
(sqrt (fma b b (* (* a -4) c)))

simplify795.0ms

Counts
71 → 71
Iterations
IterNodes
42301
3635
2218
194
049

prune987.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 5.4b

regimes349.0ms

Accuracy

83.9% (4.5b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 34.1b

bsearch211.0ms

Steps
ItersRangePoint
9
2.5177836961106285e-119
1.1213560046341023e-113
1.1094847447691107e-113
9
-3.5217276407607985e+80
-1.118546872525465e+73
-2.541338025369698e+80

simplify6.0ms

Iterations
IterNodes
234
134
028

end0.0ms

sample4.2s

Algorithm
intervals
Results
1.2s912×body1280valid
921.0ms1091×body2560valid
850.0ms5839×body80valid
340.0ms2909×body80nan
278.0ms461×body640valid
127.0ms226×body320valid
102.0ms126×body5120valid
23.0ms98×body160valid