Details

Time bar (total: 6.5s)

sample64.0ms

Algorithm
intervals
Results
15.0ms33×body2560valid
10.0ms176×body80valid
8.0ms29×body1280valid
5.0ms78×body80nan
3.0ms16×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify44.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01417
12417
24416
37916
49216
510016
done10016

prune9.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 35.5b

Counts
2 → 1

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
1.0b
(- (* b b) (* 4.0 (* a c)))
1.7b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
21.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×add-sqr-sqrt
94×*-un-lft-identity
68×add-cube-cbrt
26×difference-of-squares
22×associate-/l*
16×sqrt-prod
13×distribute-lft-out--
add-exp-log add-cbrt-cube
add-log-exp
pow1 div-inv
cbrt-undiv flip3-- div-exp associate-/r* flip--
sub-neg sqrt-div diff-log div-sub
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num associate-/l/
Counts
4 → 149
Calls
4 calls:
13.0ms
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
4.0ms
(- (* b b) (* 4.0 (* a c)))
8.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series76.0ms

Counts
4 → 12
Calls
4 calls:
29.0ms
(/ (/ (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) 2.0) a)
10.0ms
(- (* b b) (* 4.0 (* a c)))
20.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify542.0ms

Counts
161 → 161
Iterations

Useful iterations: done (535.0ms)

IterNodesCost
02754079
16583918
221843762
done50013756

prune356.0ms

Filtered
114 candidates to 161 candidates (-41.2%)
Pruning

12 alts after pruning (12 fresh and 0 done)

PrunedKeptTotal
New14912161
Fresh000
Picked101
Done000
Total15012162

Merged error: 5.7b

Counts
162 → 12

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ (/ 1 2.0) a))
1.0b
(- (* b b) (* 4.0 (* a c)))
1.7b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
21.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
71×times-frac
62×add-sqr-sqrt
46×*-un-lft-identity
43×associate-*r*
41×add-cube-cbrt
19×add-exp-log
13×add-cbrt-cube
add-log-exp
pow1
div-exp associate-*l*
flip3-- prod-exp sqrt-prod flip--
div-inv difference-of-squares unswap-sqr
cbrt-undiv cbrt-unprod
frac-times sub-neg sqrt-div diff-log associate-*l/ distribute-lft-out--
rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down *-commutative
Counts
4 → 117
Calls
4 calls:
27.0ms
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ (/ 1 2.0) a))
4.0ms
(- (* b b) (* 4.0 (* a c)))
7.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series75.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(* (- (sqrt (- (* b b) (* 4.0 (* a c)))) b) (/ (/ 1 2.0) a))
10.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify585.0ms

Counts
129 → 129
Iterations

Useful iterations: done (581.0ms)

IterNodesCost
02602753
16972517
225422237
done50002213

prune233.0ms

Filtered
96 candidates to 129 candidates (-34.4%)
Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New1281129
Fresh3811
Picked011
Done000
Total13110141

Merged error: 5.7b

Counts
141 → 10

localize16.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (sqrt (/ 1 2.0)) a)
1.0b
(- (* b b) (* 4.0 (* a c)))
1.7b
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
21.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
59×add-sqr-sqrt
56×*-un-lft-identity sqrt-prod
54×add-cube-cbrt
16×associate-/l*
add-log-exp
add-exp-log add-cbrt-cube
pow1 div-inv
flip3-- sqrt-div associate-/r* flip--
sub-neg diff-log difference-of-squares
cbrt-undiv rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-exp clear-num associate-/l/ distribute-lft-out--
Counts
4 → 122
Calls
4 calls:
7.0ms
(/ (sqrt (/ 1 2.0)) a)
4.0ms
(- (* b b) (* 4.0 (* a c)))
8.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series50.0ms

Counts
4 → 12
Calls
4 calls:
8.0ms
(/ (sqrt (/ 1 2.0)) a)
10.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(- (sqrt (- (* b b) (* 4.0 (* a c)))) b)
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify869.0ms

Counts
134 → 134
Iterations

Useful iterations: 3 (326.0ms)

IterNodesCost
02451960
14241753
211391642
331891615
done50001615

prune256.0ms

Filtered
82 candidates to 134 candidates (-63.4%)
Pruning

10 alts after pruning (8 fresh and 2 done)

PrunedKeptTotal
New1331134
Fresh178
Picked011
Done011
Total13410144

Merged error: 5.7b

Counts
144 → 10

localize17.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* 4.0 (* a c)))
14.9b
(- (* (sqrt (sqrt (- (* b b) (* 4.0 (* a c))))) (sqrt (sqrt (- (* b b) (* 4.0 (* a c)))))) b)
21.7b
(sqrt (- (* b b) (* 4.0 (* a c))))
21.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
add-log-exp
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log flip3-- sqrt-div add-cbrt-cube flip--
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log
difference-of-squares
Counts
4 → 55
Calls
4 calls:
4.0ms
(- (* b b) (* 4.0 (* a c)))
16.0ms
(- (* (sqrt (sqrt (- (* b b) (* 4.0 (* a c))))) (sqrt (sqrt (- (* b b) (* 4.0 (* a c)))))) b)
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series62.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(- (* (sqrt (sqrt (- (* b b) (* 4.0 (* a c))))) (sqrt (sqrt (- (* b b) (* 4.0 (* a c)))))) b)
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
16.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify727.0ms

Counts
67 → 67
Iterations

Useful iterations: 3 (212.0ms)

IterNodesCost
0921324
12151004
2700904
32449898
done5001898

prune137.0ms

Filtered
54 candidates to 67 candidates (-24.1%)
Pruning

10 alts after pruning (7 fresh and 3 done)

PrunedKeptTotal
New67067
Fresh077
Picked011
Done022
Total671077

Merged error: 5.7b

Counts
77 → 10

regimes350.0ms

Accuracy

84.3% (4.5b remaining)

Error of 10.4b against oracle of 5.9b and baseline of 34.6b

bsearch57.0ms

Steps
ItersRangePoint
7
2.951159271200378e-80
1.7529870675191086e-78
9.827618726336024e-79
8
-8.704679048448932e+71
-1.0976727662850034e+68
-1.013848001599699e+70

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02840
13540
done3540

end0.0ms

sample1.8s

Algorithm
intervals
Results
351.0ms1070×body2560valid
347.0ms5830×body80valid
247.0ms906×body1280valid
171.0ms2972×body80nan
103.0ms484×body640valid
50.0ms130×body5120valid
35.0ms198×body320valid
11.0ms102×body160valid

Profiling

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