Details

Time bar (total: 27.5s)

sample111.0ms

Algorithm
intervals
Results
34.0ms195×body80valid
15.0ms34×body1280valid
10.0ms18×body2560valid
9.0ms107×body80nan
5.0ms13×body640valid
2.0msbody320valid
2.0msbody5120valid
1.0msbody160valid

simplify220.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
375
240
122
012

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
0.9b
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
1.0b
(- (* b b) (* (* a 3.0) c))
21.8b
(sqrt (- (* b b) (* (* a 3.0) c)))

rewrite368.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
18×sqrt-prod
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
times-frac associate-/l* difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 106
Calls
4 calls:
201.0ms
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
106.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
18.0ms
(- (* b b) (* (* a 3.0) c))
32.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

series631.0ms

Counts
4 → 12
Calls
4 calls:
223.0ms
(/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) (* a 3.0))
187.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
93.0ms
(- (* b b) (* (* a 3.0) c))
127.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

simplify3.1s

Counts
118 → 118
Iterations
IterNodes
done5000
21532
1514
0195

prune1.0s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.9b

localize55.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* a 3.0))
0.9b
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
1.0b
(- (* b b) (* (* a 3.0) c))
21.8b
(sqrt (- (* b b) (* (* a 3.0) c)))

rewrite201.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
23×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
16×sqrt-prod
15×add-exp-log
add-cbrt-cube
pow1 add-log-exp
fma-neg
expm1-log1p-u div-exp log1p-expm1-u
flip3-- times-frac prod-exp flip-- associate-/l*
cbrt-undiv sub-neg rec-exp pow-flip sqrt-div diff-log 1-exp difference-of-squares
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-prod-down clear-num associate-/r* cbrt-unprod div-inv distribute-lft-out-- inv-pow
Counts
4 → 104
Calls
4 calls:
25.0ms
(/ 1 (* a 3.0))
124.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
19.0ms
(- (* b b) (* (* a 3.0) c))
26.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

series529.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ 1 (* a 3.0))
236.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
103.0ms
(- (* b b) (* (* a 3.0) c))
151.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

simplify5.5s

Counts
116 → 116
Iterations
IterNodes
done5000
34741
21149
1439
0178

prune801.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.9b

localize48.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* a 3.0) (- (sqrt (- (* b b) (* (* a 3.0) c))) b))
0.9b
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
1.0b
(- (* b b) (* (* a 3.0) c))
21.8b
(sqrt (- (* b b) (* (* a 3.0) c)))

rewrite230.0ms

Algorithm
rewrite-expression-head
Rules
34×add-sqr-sqrt
27×*-un-lft-identity
21×add-cube-cbrt
19×prod-diff
18×sqrt-prod
add-exp-log add-cbrt-cube
add-log-exp
fma-neg
times-frac associate-/r* difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/r/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 prod-exp clear-num cbrt-unprod div-inv associate-/l*
Counts
4 → 105
Calls
4 calls:
88.0ms
(/ (* a 3.0) (- (sqrt (- (* b b) (* (* a 3.0) c))) b))
95.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
18.0ms
(- (* b b) (* (* a 3.0) c))
23.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

series788.0ms

Counts
4 → 12
Calls
4 calls:
403.0ms
(/ (* a 3.0) (- (sqrt (- (* b b) (* (* a 3.0) c))) b))
154.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
86.0ms
(- (* b b) (* (* a 3.0) c))
145.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

simplify2.5s

Counts
117 → 117
Iterations
IterNodes
done5000
21513
1491
0186

prune1.1s

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 5.9b

localize51.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 a) (/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) 3.0))
0.9b
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
1.0b
(- (* b b) (* (* a 3.0) c))
21.8b
(sqrt (- (* b b) (* (* a 3.0) c)))

rewrite339.0ms

Algorithm
rewrite-expression-head
Rules
70×add-sqr-sqrt
46×*-un-lft-identity
36×add-cube-cbrt
34×times-frac
26×add-exp-log
22×associate-*r*
19×prod-diff sqrt-prod
16×add-cbrt-cube
13×associate-*l*
div-exp prod-exp add-log-exp difference-of-squares
pow1 fma-neg
unswap-sqr
cbrt-undiv expm1-log1p-u cbrt-unprod log1p-expm1-u distribute-lft-out--
flip3-- flip--
sub-neg rec-exp sqrt-div diff-log 1-exp div-inv
frac-times rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 141
Calls
4 calls:
177.0ms
(* (/ 1 a) (/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) 3.0))
110.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
15.0ms
(- (* b b) (* (* a 3.0) c))
27.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

series746.0ms

Counts
4 → 12
Calls
4 calls:
295.0ms
(* (/ 1 a) (/ (- (sqrt (- (* b b) (* (* a 3.0) c))) b) 3.0))
209.0ms
(- (sqrt (- (* b b) (* (* a 3.0) c))) b)
99.0ms
(- (* b b) (* (* a 3.0) c))
143.0ms
(sqrt (- (* b b) (* (* a 3.0) c)))

simplify3.1s

Counts
153 → 153
Iterations
IterNodes
done5001
22081
1684
0248

prune1.1s

Pruning

14 alts after pruning (11 fresh and 3 done)

Merged error: 5.9b

regimes715.0ms

Accuracy

81.6% (5.4b remaining)

Error of 10.8b against oracle of 5.5b and baseline of 34.7b

bsearch235.0ms

Steps
ItersRangePoint
9
1.177766511972955e-157
7.998381519079639e-153
7.923524897992037e-153
10
-8.514648891065421e+79
-9.051599321779201e+64
-1.6964502144974645e+75

simplify10.0ms

Iterations
IterNodes
done36
136
028

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.2s5752×body80valid
775.0ms1081×body2560valid
541.0ms924×body1280valid
366.0ms2817×body80nan
323.0ms480×body640valid
125.0ms97×body5120valid
61.0ms238×body320valid
20.0ms120×body160valid