Details

Time bar (total: 21.0s)

sample178.0ms

Algorithm
intervals
Results
52.0ms142×body160valid
35.0ms276×body80nan
31.0ms532×pre80true
21.0ms51×body320valid
9.0ms63×body80valid

simplify101.0ms

Counts
1 → 1
Iterations
IterNodes
898
798
697
595
487
370
243
124
014

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* c a) 4)))
0.1b
(- (* b b) (* (* c a) 4))
0.1b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
38.8b
(- (sqrt (- (* b b) (* (* c a) 4))) b)

rewrite184.0ms

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:
15.0ms
(sqrt (- (* b b) (* (* c a) 4)))
15.0ms
(- (* b b) (* (* c a) 4))
95.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
56.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

series415.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(sqrt (- (* b b) (* (* c a) 4)))
46.0ms
(- (* b b) (* (* c a) 4))
143.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
121.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

simplify1.8s

Counts
100 → 100
Iterations
IterNodes
33594
21093
1398
0161

prune1.1s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 5.2b

localize19.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
10
00

prune85.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 5.2b

localize19.0ms

Local error

Found 2 expressions with local error:

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

rewrite51.0ms

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:
19.0ms
(/ (* a c) b)
31.0ms
(/ (* -2 (/ (* a c) b)) a)

series74.0ms

Counts
2 → 6
Calls
2 calls:
39.0ms
(/ (* a c) b)
35.0ms
(/ (* -2 (/ (* a c) b)) a)

simplify3.6s

Counts
55 → 55
Iterations
IterNodes
36821
21066
1263
099

prune644.0ms

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 5.2b

localize22.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (* -2 (/ a (/ b c))) a)
0.3b
(/ a (/ b c))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
46×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
21×add-cbrt-cube add-exp-log
16×associate-/r*
10×cbrt-undiv div-exp
div-inv
associate-/l*
prod-exp cbrt-unprod
pow1 clear-num frac-2neg insert-posit16 add-log-exp
associate-*r/ associate-/r/ associate-/l/
Counts
2 → 98
Calls
2 calls:
23.0ms
(/ (* -2 (/ a (/ b c))) a)
12.0ms
(/ a (/ b c))

series82.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (* -2 (/ a (/ b c))) a)
40.0ms
(/ a (/ b c))

simplify5.4s

Counts
104 → 104
Iterations
IterNodes
37220
21731
1500
0198

prune970.0ms

Pruning

33 alts after pruning (32 fresh and 1 done)

Merged error: 5.1b

regimes595.0ms

Accuracy

0% (6.9b remaining)

Error of 12.1b against oracle of 5.3b and baseline of 12.1b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
28
18
07

end0.0ms

sample5.6s

Algorithm
intervals
Results
1.6s16356×pre80true
1.5s4853×body160valid
1.2s8356×body80nan
576.0ms1341×body320valid
235.0ms1806×body80valid