Details

Time bar (total: 14.6s)

sample134.0ms

Algorithm
intervals
Results
43.0ms540×pre80true
30.0ms149×body160valid
28.0ms284×body80nan
11.0ms107×body80valid

simplify99.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
370
243
124
014

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* c a) 4)))
0.3b
(- (* b b) (* (* c a) 4))
0.3b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
29.3b
(- (sqrt (- (* b b) (* (* c a) 4))) b)

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 88
Calls
4 calls:
13.0ms
(sqrt (- (* b b) (* (* c a) 4)))
13.0ms
(- (* b b) (* (* c a) 4))
90.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
35.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

series434.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(sqrt (- (* b b) (* (* c a) 4)))
67.0ms
(- (* b b) (* (* c a) 4))
139.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
129.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

simplify1.2s

Counts
100 → 100
Iterations
IterNodes
done2005
32005
21103
1400
0161

prune1000.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 8.3b

localize11.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune59.0ms

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 8.3b

localize16.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* -2 (/ (* a c) b)) a)
0.2b
(/ (* a c) b)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
21×add-cbrt-cube add-exp-log
cbrt-undiv div-exp
add-sqr-sqrt associate-/r* *-un-lft-identity times-frac add-cube-cbrt
prod-exp cbrt-unprod
pow1 clear-num frac-2neg insert-posit16 div-inv associate-/l* add-log-exp
associate-*r/ associate-/l/
Counts
2 → 49
Calls
2 calls:
14.0ms
(/ (* -2 (/ (* a c) b)) a)
8.0ms
(/ (* a c) b)

series68.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(/ (* -2 (/ (* a c) b)) a)
33.0ms
(/ (* a c) b)

simplify1.1s

Counts
55 → 55
Iterations
IterNodes
done2083
32083
21429
1278
099

prune485.0ms

Pruning

28 alts after pruning (27 fresh and 1 done)

Merged error: 8.2b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* a c) b)
0.4b
(* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b))
0.5b
(* (/ (* a c) b) (/ (* a c) b))
0.6b
(cbrt (* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b)))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
216×add-cbrt-cube add-exp-log
101×prod-exp cbrt-unprod
70×cbrt-undiv div-exp
30×pow1
19×add-sqr-sqrt
18×times-frac
16×*-un-lft-identity add-cube-cbrt
14×associate-*r*
11×frac-times associate-*l/
associate-*l*
cbrt-div pow-plus swap-sqr associate-*r/ pow-prod-up
div-inv
pow-prod-down insert-posit16 add-log-exp
pow2 associate-/r* pow-sqr
pow3 *-commutative unswap-sqr
cbrt-prod clear-num frac-2neg pow1/3 rem-cbrt-cube associate-/l*
Counts
4 → 193
Calls
4 calls:
8.0ms
(/ (* a c) b)
101.0ms
(* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b))
42.0ms
(* (/ (* a c) b) (/ (* a c) b))
120.0ms
(cbrt (* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b)))

series251.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(/ (* a c) b)
118.0ms
(* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b))
60.0ms
(* (/ (* a c) b) (/ (* a c) b))
49.0ms
(cbrt (* (* (/ (* a c) b) (/ (* a c) b)) (/ (* a c) b)))

simplify1.1s

Counts
205 → 205
Iterations
IterNodes
done2000
22000
1692
0216

prune2.2s

Pruning

28 alts after pruning (27 fresh and 1 done)

Merged error: 8.2b

regimes730.0ms

Accuracy

45.1% (7.6b remaining)

Error of 16.5b against oracle of 8.9b and baseline of 22.7b

bsearch3.0ms

Steps
ItersRangePoint
0
2862.7645223887616
2921.618168739223
2892.1913455639924

simplify4.0ms

Iterations
IterNodes
done26
126
022

end0.0ms

sample5.2s

Algorithm
intervals
Results
1.4s4500×body160valid
1.2s8403×body80nan
1.2s16403×pre80true
989.0ms3500×body80valid