Details

Time bar (total: 5.3s)

sample41.0ms

Algorithm
intervals
Results
10.0ms205×body80valid
5.0ms26×body2560valid
4.0ms26×body1280valid
3.0ms83×body80nan
1.0ms11×body640valid
1.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify15.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0299
1659
21219
31519
41609
51649
61649
done1649

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.4b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.8b
(- (* b b) (* 4.0 (* a c)))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
61×add-sqr-sqrt prod-diff
60×*-un-lft-identity
48×add-cube-cbrt
36×sqrt-prod
24×distribute-rgt-neg-in
21×distribute-lft-neg-in
11×fma-neg
10×add-log-exp
add-exp-log add-cbrt-cube
neg-mul-1 times-frac associate-/l*
distribute-lft-out-- difference-of-squares
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 157
Calls
4 calls:
75.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
31.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
9.0ms
(- (* b b) (* 4.0 (* a c)))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series298.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
81.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
45.0ms
(- (* b b) (* 4.0 (* a c)))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify72.0ms

Counts
169 → 169
Iterations

Useful iterations: 2 (50.0ms)

IterNodesCost
05903305
121012212
250022128
done50022128

prune348.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 7.1b

localize16.0ms

Local error

Found 4 expressions with local error:

24.4b
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
25.2b
(cbrt (- (* b b) (* 4.0 (* a c))))
25.2b
(cbrt (- (* b b) (* 4.0 (* a c))))
25.2b
(cbrt (- (* b b) (* 4.0 (* a c))))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-div
30×flip3-- flip--
28×frac-times
26×sqrt-div
24×pow1
15×sqrt-pow1
14×associate-*l/
12×pow1/3
cbrt-prod pow-prod-up
associate-*r/
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow-plus
pow-prod-down
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow-sqr
pow2
pow1/2 pow3 sqrt-prod
Counts
4 → 97
Calls
4 calls:
81.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
6.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
6.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
6.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))

series379.0ms

Counts
4 → 12
Calls
4 calls:
73.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
102.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
104.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
101.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))

simplify201.0ms

Counts
109 → 109
Iterations

Useful iterations: 2 (34.0ms)

IterNodesCost
03611930
19711879
244551859
350011859
done50011859

prune357.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 7.1b

localize19.0ms

Local error

Found 4 expressions with local error:

1.8b
(- (* b b) (* 4.0 (* a c)))
12.1b
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (sqrt (- (* b b) (* 4.0 (* a c)))))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
add-cube-cbrt *-un-lft-identity add-log-exp
prod-diff
pow1
add-exp-log expm1-log1p-u flip3-- sqrt-div add-cbrt-cube flip-- log1p-expm1-u
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log
Counts
4 → 71
Calls
4 calls:
13.0ms
(- (* b b) (* 4.0 (* a c)))
40.0ms
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (sqrt (- (* b b) (* 4.0 (* a c)))))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series302.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(- (* b b) (* 4.0 (* a c)))
105.0ms
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (sqrt (- (* b b) (* 4.0 (* a c)))))
76.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify55.0ms

Counts
83 → 83
Iterations

Useful iterations: 2 (41.0ms)

IterNodesCost
0313928
11211719
25001691
done5001691

prune328.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 7.1b

localize24.0ms

Local error

Found 4 expressions with local error:

5.6b
(exp (log (sqrt (- (* b b) (* 4.0 (* a c))))))
18.0b
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (exp (log (sqrt (- (* b b) (* 4.0 (* a c)))))))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))
24.4b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite69.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×add-cube-cbrt log-prod *-un-lft-identity exp-sum sqrt-prod
prod-diff
pow1
exp-prod sqrt-div add-log-exp
add-exp-log expm1-log1p-u flip3-- add-cbrt-cube flip-- log1p-expm1-u
sqrt-pow1 pow1/2 log-pow
rem-sqrt-square log-div exp-diff
sub-neg fma-neg diff-log rem-exp-log
Counts
4 → 82
Calls
4 calls:
12.0ms
(exp (log (sqrt (- (* b b) (* 4.0 (* a c))))))
33.0ms
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (exp (log (sqrt (- (* b b) (* 4.0 (* a c)))))))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
11.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series327.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(exp (log (sqrt (- (* b b) (* 4.0 (* a c))))))
105.0ms
(- (* (- (* (cbrt b) (cbrt b))) (cbrt b)) (exp (log (sqrt (- (* b b) (* 4.0 (* a c)))))))
75.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))
76.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify51.0ms

Counts
94 → 94
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
03701249
11239885
25002839
done5002839

prune354.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 7.1b

regimes400.0ms

Accuracy

88.5% (3.3b remaining)

Error of 8.8b against oracle of 5.6b and baseline of 33.9b

bsearch166.0ms

Steps
ItersRangePoint
6
9.002760019060421e+93
3.662435776182418e+94
2.3684713380299e+94
11
-1.7080554663773614e-124
-7.974260657123443e-153
-4.593198226330854e-145
6
-1.1479397783227414e+56
-2.609655750368231e+55
-3.8603554551533365e+55

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05339
15339
done5339

end0.0ms

sample1.2s

Algorithm
intervals
Results
229.0ms1084×body2560valid
220.0ms5914×body80valid
155.0ms871×body1280valid
98.0ms2851×body80nan
63.0ms452×body640valid
29.0ms112×body5120valid
21.0ms209×body320valid
7.0ms103×body160valid