Details

Time bar (total: 28.1s)

sample87.0ms

Algorithm
intervals
Results
24.0ms32×body1280valid
16.0ms182×body80valid
16.0ms30×body2560valid
8.0ms86×body80nan
4.0msbody640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify121.0ms

Counts
1 → 1
Iterations
IterNodes
8101
7101
6100
598
490
374
244
125
014

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.9b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
1.4b
(fma (* a c) -4 (* b b))
2.5b
(- (sqrt (fma (* a c) -4 (* b b))) b)
21.7b
(sqrt (fma (* a c) -4 (* b b)))

rewrite33.0ms

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 (* a c) -4 (* b b))) b) a)
0.0ms
(fma (* a c) -4 (* b b))
8.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series460.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(/ (- (sqrt (fma (* a c) -4 (* b b))) b) a)
67.0ms
(fma (* a c) -4 (* b b))
116.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
94.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify2.9s

Counts
126 → 126
Iterations
IterNodes
46238
31991
2716
1320
0156

prune1.5s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 23.7b

localize27.0ms

Local error

Found 4 expressions with local error:

1.4b
(fma (* a c) -4 (* b b))
4.3b
(/ (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
11.7b
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
21.7b
(sqrt (fma (* a c) -4 (* b b)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
50×times-frac
38×*-un-lft-identity
27×add-sqr-sqrt add-cbrt-cube add-exp-log
26×add-cube-cbrt
11×associate-/l*
10×cbrt-undiv div-exp associate-/r/
associate-/r*
prod-exp cbrt-unprod div-inv distribute-lft-out
pow1 flip3-+ flip-+
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod
clear-num frac-2neg
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef associate-/l/
Counts
4 → 122
Calls
4 calls:
0.0ms
(fma (* a c) -4 (* b b))
39.0ms
(/ (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
23.0ms
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series629.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(fma (* a c) -4 (* b b))
221.0ms
(/ (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)) a)
246.0ms
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
99.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify625.0ms

Counts
134 → 134
Iterations
IterNodes
22110
1586
0223

prune1.4s

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 16.6b

localize54.0ms

Local error

Found 4 expressions with local error:

1.4b
(fma (* a c) -4 (* b b))
4.2b
(/ a (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)))
11.7b
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
21.7b
(sqrt (fma (* a c) -4 (* b b)))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
50×times-frac
38×*-un-lft-identity
27×add-sqr-sqrt add-cbrt-cube add-exp-log
26×add-cube-cbrt
14×associate-/r*
11×associate-/r/
10×cbrt-undiv div-exp
prod-exp cbrt-unprod div-inv distribute-lft-out
pow1 flip3-+ flip-+
expm1-log1p-u insert-posit16 log1p-expm1-u associate-/l* add-log-exp
sqrt-prod
clear-num frac-2neg
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 122
Calls
4 calls:
0.0ms
(fma (* a c) -4 (* b b))
31.0ms
(/ a (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)))
36.0ms
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
2.0ms
(sqrt (fma (* a c) -4 (* b b)))

series535.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(fma (* a c) -4 (* b b))
114.0ms
(/ a (/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b)))
247.0ms
(/ (* (* a c) -4) (+ (sqrt (fma (* a c) -4 (* b b))) b))
99.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify609.0ms

Counts
134 → 134
Iterations
IterNodes
22152
1578
0221

prune1.7s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 13.4b

localize52.0ms

Local error

Found 4 expressions with local error:

0.6b
(/ (/ (* c (* a -4)) a) (+ (sqrt (fma b b (* c (* a -4)))) b))
1.8b
(fma b b (* c (* a -4)))
18.2b
(/ (* c (* a -4)) a)
21.7b
(sqrt (fma b b (* c (* a -4))))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
46×times-frac
41×*-un-lft-identity
27×add-cbrt-cube add-exp-log
26×add-sqr-sqrt
25×add-cube-cbrt
10×cbrt-undiv div-exp
distribute-lft-out associate-/l*
associate-/r* div-inv
prod-exp cbrt-unprod
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod
clear-num frac-2neg associate-/r/
rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 flip-+ fma-udef associate-/l/
Counts
4 → 116
Calls
4 calls:
44.0ms
(/ (/ (* c (* a -4)) a) (+ (sqrt (fma b b (* c (* a -4)))) b))
0.0ms
(fma b b (* c (* a -4)))
18.0ms
(/ (* c (* a -4)) a)
2.0ms
(sqrt (fma b b (* c (* a -4))))

series552.0ms

Counts
4 → 12
Calls
4 calls:
325.0ms
(/ (/ (* c (* a -4)) a) (+ (sqrt (fma b b (* c (* a -4)))) b))
80.0ms
(fma b b (* c (* a -4)))
15.0ms
(/ (* c (* a -4)) a)
131.0ms
(sqrt (fma b b (* c (* a -4))))

simplify10.2s

Counts
128 → 128
Iterations
IterNodes
313153
21868
1522
0204

prune1.7s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 13.4b

regimes368.0ms

Accuracy

93.1% (1.2b remaining)

Error of 13.3b against oracle of 12.1b and baseline of 29.4b

bsearch290.0ms

Steps
ItersRangePoint
7
1.3534154308951418e+51
2.3844270322569095e+52
2.3648644896474148e+52
10
-6.497739978200133e-255
-1.2552718121892035e-271
-1.2873109154899554e-271

simplify10.0ms

Iterations
IterNodes
248
148
040

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.4s1109×body2560valid
771.0ms5850×body80valid
606.0ms885×body1280valid
361.0ms2882×body80nan
241.0ms419×body640valid
195.0ms229×body320valid
143.0ms114×body5120valid
52.0ms127×body160valid