Details

Time bar (total: 18.5s)

sample74.0ms

Algorithm
intervals
Results
22.0ms37×body2560valid
10.0ms182×body80valid
8.0ms31×body1280valid
5.0ms89×body80nan
4.0ms22×body640valid
1.0msbody320valid
1.0msbody160valid
0.0msbody5120valid

simplify158.0ms

Counts
1 → 1
Iterations
IterNodes
done139
7139
6137
5132
4127
3106
261
128
014

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
1.1b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
1.4b
(- (* b b) (* 4.0 (* a c)))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite150.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
80.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
39.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
13.0ms
(- (* b b) (* 4.0 (* a c)))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series412.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
96.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
67.0ms
(- (* b b) (* 4.0 (* a c)))
87.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify3.2s

Counts
89 → 89
Iterations
IterNodes
done5001
34961
21246
1402
0155

prune628.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 5.2b

localize34.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
1.4b
(- (* b b) (* 4.0 (* a c)))
6.1b
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite121.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
12×add-sqr-sqrt
10×times-frac
add-cbrt-cube add-exp-log add-cube-cbrt sqrt-prod
add-log-exp
associate-/l*
pow1
flip3-- sqrt-div flip--
div-inv distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* distribute-rgt-neg-in frac-2neg sqrt-pow1 distribute-rgt-out-- pow1/2 div-sub prod-exp frac-sub cbrt-unprod sub-div difference-of-squares
Counts
4 → 76
Calls
4 calls:
27.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
13.0ms
(- (* b b) (* 4.0 (* a c)))
67.0ms
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
12.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series507.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a))
82.0ms
(- (* b b) (* 4.0 (* a c)))
161.0ms
(- (/ (- b) (* 2.0 a)) (/ (sqrt (- (* b b) (* 4.0 (* a c)))) (* 2.0 a)))
85.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.7s

Counts
88 → 88
Iterations
IterNodes
done5000
21246
1419
0163

prune651.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.2b

localize59.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c))))))
1.4b
(- (* b b) (* 4.0 (* a c)))
10.8b
(- (/ (- b) (* 2.0 a)) (/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c)))))))
22.7b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
62×times-frac
38×add-sqr-sqrt
34×*-un-lft-identity
30×add-cube-cbrt
25×add-exp-log
15×sqrt-prod
13×add-cbrt-cube
12×associate-/r* div-exp
10×sqrt-div
associate-/r/
add-log-exp
flip3-- flip--
pow1 div-inv
cbrt-undiv
rec-exp 1-exp prod-exp associate-/l* difference-of-squares
sub-neg diff-log distribute-lft-out--
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub frac-sub cbrt-unprod pow-flip inv-pow
Counts
4 → 122
Calls
4 calls:
32.0ms
(/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c))))))
8.0ms
(- (* b b) (* 4.0 (* a c)))
81.0ms
(- (/ (- b) (* 2.0 a)) (/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c)))))))
14.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series426.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c))))))
52.0ms
(- (* b b) (* 4.0 (* a c)))
150.0ms
(- (/ (- b) (* 2.0 a)) (/ 1 (/ (* 2.0 a) (sqrt (- (* b b) (* 4.0 (* a c)))))))
111.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify2.1s

Counts
134 → 134
Iterations
IterNodes
done5002
21893
1625
0239

prune819.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 5.2b

localize101.0ms

Local error

Found 4 expressions with local error:

22.7b
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
23.6b
(cbrt (- (* b b) (* 4.0 (* a c))))
23.6b
(cbrt (- (* b b) (* 4.0 (* a c))))
23.6b
(cbrt (- (* b b) (* 4.0 (* a c))))

rewrite167.0ms

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 *-un-lft-identity add-cube-cbrt
pow-plus
pow-prod-down
add-cbrt-cube add-exp-log add-log-exp
pow-sqr
pow2
pow1/2 pow3 sqrt-prod
Counts
4 → 89
Calls
4 calls:
131.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
9.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
9.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
10.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))

series520.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(sqrt (* (* (cbrt (- (* b b) (* 4.0 (* a c)))) (cbrt (- (* b b) (* 4.0 (* a c))))) (cbrt (- (* b b) (* 4.0 (* a c))))))
154.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
138.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))
123.0ms
(cbrt (- (* b b) (* 4.0 (* a c))))

simplify2.0s

Counts
101 → 101
Iterations
IterNodes
done5000
32008
2724
1351
0188

prune697.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 5.2b

regimes593.0ms

Accuracy

84.5% (4.4b remaining)

Error of 10.5b against oracle of 6.1b and baseline of 34.5b

bsearch159.0ms

Steps
ItersRangePoint
5
2.6243927093659187e+107
5.901159163981397e+107
4.8254787200880607e+107
9
-1.0952546209266604e-55
-7.034794544076098e-65
-9.332433396832084e-58

simplify6.0ms

Iterations
IterNodes
done35
135
028

end0.0ms

sample3.0s

Algorithm
intervals
Results
972.0ms5891×body80valid
696.0ms1016×body2560valid
406.0ms892×body1280valid
199.0ms2883×body80nan
167.0ms461×body640valid
87.0ms98×body5120valid
46.0ms220×body320valid
22.0ms118×body160valid