Details

Time bar (total: 30.0s)

sample124.0ms

Algorithm
intervals
Results
36.0ms28×body1280valid
24.0ms35×body2560valid
21.0ms184×body80valid
9.0ms86×body80nan
6.0ms15×body640valid
4.0msbody5120valid
3.0msbody320valid
2.0msbody160valid

simplify144.0ms

Counts
1 → 1
Iterations
IterNodes
done101
7101
6100
598
490
374
244
125
014

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.4b

localize26.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.6b
(fma (* a c) -4 (* b b))
1.7b
(- (sqrt (fma (* a c) -4 (* b b))) b)
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite58.0ms

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:
38.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
0.0ms
(fma (* a c) -4 (* b b))
15.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
3.0ms
(sqrt (fma (* a c) -4 (* b b)))

series438.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
80.0ms
(fma (* a c) -4 (* b b))
112.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
112.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.1s

Counts
126 → 126
Iterations
IterNodes
done2002
32002
2773
1335
0156

prune1.6s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 22.0b

localize38.0ms

Local error

Found 4 expressions with local error:

1.1b
(+ (sqrt (fma (* a c) -4 (* b b))) b)
3.1b
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
11.7b
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
114×times-frac
101×*-un-lft-identity
68×add-sqr-sqrt
67×add-cube-cbrt
21×associate-/l*
17×distribute-lft-out
11×add-cbrt-cube add-exp-log
10×associate-/r/
associate-/r*
fma-def flip3-+ sqrt-prod flip-+ div-inv add-log-exp
pow1
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u
clear-num frac-2neg
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 166
Calls
4 calls:
13.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
28.0ms
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
10.0ms
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series815.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(+ (sqrt (fma (* a c) -4 (* b b))) b)
311.0ms
(/ (/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
265.0ms
(/ (fma (* a c) -4 0) (+ (sqrt (fma (* a c) -4 (* b b))) b))
117.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.4s

Counts
178 → 178
Iterations
IterNodes
done2002
32002
21434
1557
0246

prune2.3s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 17.3b

localize64.0ms

Local error

Found 4 expressions with local error:

6.6b
(/ (/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b))) a)
8.2b
(/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
186×times-frac
138×*-un-lft-identity
108×add-sqr-sqrt
106×add-cube-cbrt
70×sqrt-prod
30×associate-/l*
16×distribute-lft-out
11×add-cbrt-cube add-exp-log
10×associate-/r* sqrt-div associate-/r/
pow1 div-inv
flip3-+ flip-+
expm1-log1p-u cbrt-undiv div-exp insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2
associate-/l/
Counts
4 → 209
Calls
4 calls:
31.0ms
(/ (/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b))) a)
10.0ms
(/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series1.8s

Counts
4 → 12
Calls
4 calls:
928.0ms
(/ (/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b))) a)
639.0ms
(/ (fma (* a c) -4 0) (sqrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
119.0ms
(sqrt (fma (* a c) -4 (* b b)))
142.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.5s

Counts
221 → 221
Iterations
IterNodes
done2007
32007
21731
1719
0317

prune3.6s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 17.3b

localize80.0ms

Local error

Found 4 expressions with local error:

7.0b
(/ (fma (* a c) -4 0) (cbrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))
24.6b
(sqrt (fma (* a c) -4 (* b b)))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
31×*-un-lft-identity
26×add-sqr-sqrt
23×add-cube-cbrt
21×times-frac
16×cbrt-prod
sqrt-prod
pow1 associate-/r*
add-exp-log
add-cbrt-cube
expm1-log1p-u insert-posit16 log1p-expm1-u distribute-lft-out add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-/l*
cbrt-div associate-/r/
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+ div-inv
Counts
4 → 96
Calls
4 calls:
10.0ms
(/ (fma (* a c) -4 0) (cbrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series6.4s

Counts
4 → 12
Calls
4 calls:
5.8s
(/ (fma (* a c) -4 0) (cbrt (+ (sqrt (fma (* a c) -4 (* b b))) b)))
83.0ms
(sqrt (fma (* a c) -4 (* b b)))
448.0ms
(sqrt (fma (* a c) -4 (* b b)))
97.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify1.4s

Counts
108 → 108
Iterations
IterNodes
done2011
42011
31347
2461
1234
0133

prune1.8s

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 17.3b

regimes476.0ms

Accuracy

95.1% (0.8b remaining)

Error of 17.7b against oracle of 16.9b and baseline of 33.4b

bsearch284.0ms

Steps
ItersRangePoint
8
6.45623811977989e+97
1.5556153764929518e+101
3.1351721739575554e+98
7
5.341724598133588e-164
3.634876864120329e-162
4.3423124612709e-163

simplify7.0ms

Iterations
IterNodes
done38
138
033

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.1s915×body1280valid
1.0s5836×body80valid
980.0ms1126×body2560valid
490.0ms2976×body80nan
262.0ms417×body640valid
111.0ms119×body5120valid
80.0ms236×body320valid
30.0ms115×body160valid