Details

Time bar (total: 15.1s)

sample120.0ms

Algorithm
intervals
Results
65.0ms289×body80valid
32.0ms86×body80nan

simplify184.0ms

Counts
1 → 1
Iterations
IterNodes
done168
7168
6166
5160
4151
3125
275
138
020

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.6b

localize151.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* (* 4 a) c))
1.0b
(- (* b b) (* (* 4 a) c))
25.0b
(sqrt (- (* b b) (* (* 4 a) c)))
25.0b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
flip3-- add-cbrt-cube sqrt-div add-exp-log insert-posit16 flip--
rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log
Counts
4 → 58
Calls
4 calls:
15.0ms
(- (* b b) (* (* 4 a) c))
15.0ms
(- (* b b) (* (* 4 a) c))
15.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
17.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series369.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(- (* b b) (* (* 4 a) c))
73.0ms
(- (* b b) (* (* 4 a) c))
107.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
135.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify1.1s

Counts
70 → 70
Iterations
IterNodes
done2000
32000
2517
1158
063

prune584.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 7.5b

localize188.0ms

Local error

Found 4 expressions with local error:

8.3b
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 4 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4 a) c))))))
25.0b
(sqrt (- (* b b) (* (* 4 a) c)))
25.0b
(sqrt (- (* b b) (* (* 4 a) c)))
25.0b
(sqrt (- (* b b) (* (* 4 a) c)))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
add-log-exp
pow1 *-un-lft-identity add-cube-cbrt
sqrt-div
add-cbrt-cube add-exp-log insert-posit16
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip--
sum-log
neg-sub0 +-commutative flip3-+ neg-log associate-+l- flip-+
Counts
4 → 62
Calls
4 calls:
16.0ms
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 4 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4 a) c))))))
14.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
14.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
8.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

series424.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(+ (- b) (* (sqrt (sqrt (- (* b b) (* (* 4 a) c)))) (sqrt (sqrt (- (* b b) (* (* 4 a) c))))))
96.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
93.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
115.0ms
(sqrt (- (* b b) (* (* 4 a) c)))

simplify996.0ms

Counts
74 → 74
Iterations
IterNodes
done2004
32004
2727
1232
087

prune693.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 7.5b

localize163.0ms

Local error

Found 4 expressions with local error:

25.0b
(sqrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
cbrt-div
pow1
flip3-- add-cbrt-cube add-exp-log insert-posit16 flip-- add-log-exp
pow1/3 sqrt-prod
sqrt-div
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
7.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
8.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
5.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
5.0ms
(cbrt (- (* b b) (* (* 4 a) c)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
119.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
101.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
144.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
122.0ms
(cbrt (- (* b b) (* (* 4 a) c)))

simplify1.5s

Counts
70 → 70
Iterations
IterNodes
done2003
42003
31931
2578
1202
089

prune809.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 7.5b

localize166.0ms

Local error

Found 4 expressions with local error:

25.0b
(sqrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))
25.8b
(cbrt (- (* b b) (* (* 4 a) c)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
cbrt-div
pow1
flip3-- add-cbrt-cube add-exp-log insert-posit16 flip-- add-log-exp
pow1/3 sqrt-prod
sqrt-div
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
7.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
7.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
16.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
7.0ms
(cbrt (- (* b b) (* (* 4 a) c)))

series531.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(sqrt (- (* b b) (* (* 4 a) c)))
160.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
127.0ms
(cbrt (- (* b b) (* (* 4 a) c)))
135.0ms
(cbrt (- (* b b) (* (* 4 a) c)))

simplify1.3s

Counts
70 → 70
Iterations
IterNodes
done2003
42003
31931
2578
1202
089

prune824.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 7.5b

regimes538.0ms

Accuracy

91.2% (1.1b remaining)

Error of 8.1b against oracle of 7.0b and baseline of 19.3b

bsearch369.0ms

Steps
ItersRangePoint
9
1.1500868835104234e+100
1.1016243770318365e+105
7.947663392061663e+104
8
-4.336983712965787e+155
-6.488343844980391e+152
-1.3441037991607355e+154

simplify23.0ms

Iterations
IterNodes
done53
153
044

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.8s8747×body80valid
667.0ms2996×body80nan