Details

Time bar (total: 5.0m)

sample233.0ms

Algorithm
intervals
Results
57.0ms124×body320valid
41.0ms292×body80nan
38.0ms548×pre80true
32.0ms89×body160valid
13.0ms21×body640valid
3.0ms22×body80valid

simplify96.0ms

Counts
1 → 1
Iterations
IterNodes
done93
793
692
590
482
366
240
121
012

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.4b

localize36.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3 a) c))
0.2b
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
0.3b
(* (* 3 a) c)
23.3b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

rewrite2.3s

Algorithm
rewrite-expression-head
Rules
164×add-sqr-sqrt
82×*-un-lft-identity
72×times-frac
45×associate-*l*
43×difference-of-squares
42×add-cube-cbrt
29×unswap-sqr
27×associate-*r*
20×distribute-lft-out--
14×add-cbrt-cube add-exp-log sqrt-prod
12×associate-/r* *-commutative
pow1
add-log-exp
associate-/l*
prod-exp cbrt-unprod insert-posit16
flip3-- swap-sqr pow-prod-down flip--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
clear-num frac-2neg div-sub div-inv
Counts
4 → 190
Calls
4 calls:
77.0ms
(- (* b b) (* (* 3 a) c))
1.4s
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
38.0ms
(* (* 3 a) c)
770.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

series382.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(- (* b b) (* (* 3 a) c))
163.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
33.0ms
(* (* 3 a) c)
117.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)

simplify2.3s

Counts
202 → 202
Iterations
IterNodes
done5002
22692
1813
0280

prune902.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.1b

localize6.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune39.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.1b

localize30.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(* -3/2 (/ (* a c) b))
0.4b
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

rewrite337.0ms

Algorithm
rewrite-expression-head
Rules
1180×times-frac
860×associate-*r*
853×add-sqr-sqrt
531×*-un-lft-identity
527×add-cube-cbrt
344×associate-*l*
156×unswap-sqr
114×*-commutative
91×associate-/l*
49×add-cbrt-cube add-exp-log
36×associate-*r/
21×associate-/r* associate-/l/
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp div-inv
clear-num un-div-inv
pow1
frac-2neg
insert-posit16 add-log-exp
pow-prod-down
Counts
3 → 872
Calls
3 calls:
37.0ms
(/ (* a c) b)
73.0ms
(* -3/2 (/ (* a c) b))
171.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

series106.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(/ (* a c) b)
45.0ms
(* -3/2 (/ (* a c) b))
30.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))

simplify2.6s

Counts
881 → 881
Iterations
IterNodes
done5001
14384
01227

prune4.2s

Pruning

29 alts after pruning (28 fresh and 1 done)

Merged error: 2.0b

localize54.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))
0.4b
(* (* (* a a) a) (* c (* c c)))
0.4b
(/ (cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))) (* 3 a))
0.6b
(cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b)))

rewrite23.8s

Algorithm
rewrite-expression-head
Rules
205737×add-sqr-sqrt
131978×unswap-sqr
107436×times-frac
87829×associate-*r*
73663×associate-*l*
55720×cbrt-prod
34119×*-un-lft-identity add-cube-cbrt
23942×*-commutative
22088×swap-sqr
4409×associate-/l*
346×cbrt-div
258×add-cbrt-cube
255×add-exp-log
173×cbrt-unprod associate-/l/
172×prod-exp
96×associate-/r*
40×pow1
37×cbrt-undiv
35×div-exp
31×pow-prod-down
16×div-inv
clear-num frac-2neg cube-unmult pow3 insert-posit16 add-log-exp
pow1/3
Counts
4 → 60498
Calls
4 calls:
1.8s
(/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))
330.0ms
(* (* (* a a) a) (* c (* c c)))
4.6s
(/ (cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))) (* 3 a))
1.7s
(cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b)))

series467.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))
112.0ms
(* (* (* a a) a) (* c (* c c)))
108.0ms
(/ (cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b))) (* 3 a))
106.0ms
(cbrt (/ (* -27/8 (* (* (* a a) a) (* c (* c c)))) (* (* b b) b)))

simplify1.1m

Counts
60510 → 60510
Iterations
IterNodes
done40217
040217

prune3.1m

Pruning

22 alts after pruning (21 fresh and 1 done)

Merged error: 2.0b

regimes452.0ms

Accuracy

0% (3.2b remaining)

Error of 5.8b against oracle of 2.6b and baseline of 5.8b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done6
16
05

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.0s3661×body320valid
695.0ms8002×body80nan
688.0ms16002×pre80true
519.0ms2982×body160valid
155.0ms514×body640valid
63.0ms843×body80valid