Details

Time bar (total: 5.9s)

sample87.0ms

Algorithm
intervals
Results
20.0ms295×body80nan
16.0ms157×body160valid
16.0ms551×pre80true
8.0ms51×body320valid
3.0ms48×body80valid

simplify43.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37616
49016
59816
done9816

prune8.0ms

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: 44.7b

Counts
2 → 1

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3.0 a) c))
0.3b
(* (* 3.0 a) c)
0.3b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
39.5b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×add-exp-log add-cbrt-cube
13×*-un-lft-identity
pow1
add-log-exp
add-cube-cbrt
times-frac associate-/l* difference-of-squares
prod-exp cbrt-unprod
flip3-- associate-*r* pow-prod-down sqrt-prod flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
frac-2neg div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
4 → 75
Calls
4 calls:
4.0ms
(- (* b b) (* (* 3.0 a) c))
6.0ms
(* (* 3.0 a) c)
11.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

series61.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(- (* b b) (* (* 3.0 a) c))
4.0ms
(* (* 3.0 a) c)
28.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
20.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

simplify637.0ms

Counts
87 → 87
Iterations

Useful iterations: done (634.0ms)

IterNodesCost
01541460
14061392
217141236
done50001224

prune175.0ms

Filtered
60 candidates to 87 candidates (-45.0%)
Pruning

9 alts after pruning (9 fresh and 0 done)

PrunedKeptTotal
New78987
Fresh000
Picked101
Done000
Total79988

Merged error: 5.1b

Counts
88 → 9

localize4.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune30.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

PrunedKeptTotal
New000
Fresh088
Picked011
Done000
Total099

Merged error: 5.1b

Counts
9 → 9

localize8.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
associate-*l* div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 78
Calls
3 calls:
5.0ms
(/ (* a c) b)
7.0ms
(* -1.5 (/ (* a c) b))
9.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series19.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(/ (* a c) b)
9.0ms
(* -1.5 (/ (* a c) b))
5.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify730.0ms

Counts
87 → 87
Iterations

Useful iterations: done (727.0ms)

IterNodesCost
01231086
13881077
22169822
done5000761

prune157.0ms

Filtered
48 candidates to 87 candidates (-81.3%)
Pruning

23 alts after pruning (22 fresh and 1 done)

PrunedKeptTotal
New721587
Fresh077
Picked101
Done011
Total732396

Merged error: 5.1b

Counts
96 → 23

localize8.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 3.0 (/ (* a c) b))
0.3b
(/ -1.5 (* a (/ 3.0 (/ (* a c) b))))
0.3b
(/ (* a c) b)
0.3b
(* a (/ 3.0 (/ (* a c) b)))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
70×times-frac
52×add-exp-log add-cbrt-cube
44×add-sqr-sqrt
39×add-cube-cbrt *-un-lft-identity
26×associate-*r*
22×cbrt-undiv div-exp
12×prod-exp cbrt-unprod
11×associate-/r* div-inv
associate-/l*
pow1
add-log-exp
frac-2neg associate-*l* clear-num associate-/r/
associate-*r/ unswap-sqr
pow-prod-down *-commutative
Counts
4 → 146
Calls
4 calls:
6.0ms
(/ 3.0 (/ (* a c) b))
10.0ms
(/ -1.5 (* a (/ 3.0 (/ (* a c) b))))
5.0ms
(/ (* a c) b)
12.0ms
(* a (/ 3.0 (/ (* a c) b)))

series23.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(/ 3.0 (/ (* a c) b))
5.0ms
(/ -1.5 (* a (/ 3.0 (/ (* a c) b))))
5.0ms
(/ (* a c) b)
6.0ms
(* a (/ 3.0 (/ (* a c) b)))

simplify608.0ms

Counts
158 → 158
Iterations

Useful iterations: done (601.0ms)

IterNodesCost
02121969
15621918
223921597
done50001522

prune187.0ms

Filtered
119 candidates to 158 candidates (-32.8%)
Pruning

27 alts after pruning (26 fresh and 1 done)

PrunedKeptTotal
New14414158
Fresh91221
Picked101
Done011
Total15427181

Merged error: 5.0b

Counts
181 → 27

regimes610.0ms

Accuracy

17.1% (5.8b remaining)

Error of 10.9b against oracle of 5.1b and baseline of 12.1b

bsearch28.0ms

Steps
ItersRangePoint
5
0.0025558239715015338
0.00766766169891012
0.0026063104070945574

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02139
12539
done2539

end0.0ms

sample2.3s

Algorithm
intervals
Results
513.0ms4824×body160valid
468.0ms16172×pre80true
447.0ms8172×body80nan
210.0ms1358×body320valid
99.0ms1818×body80valid

Profiling

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