Details

Time bar (total: 49.3s)

sample127.0ms

Algorithm
intervals
Results
39.0ms520×pre80true
27.0ms160×body160valid
23.0ms264×body80nan
12.0ms43×body320valid
5.0ms53×body80valid

simplify128.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
128.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 45.4b

localize23.0ms

Local error

Found 4 expressions with local error:

41.3b
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
0.3b
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
0.3b
(* (* 3 a) c)
0.2b
(- (* b b) (* (* 3 a) c))

rewrite199.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×add-cbrt-cube add-exp-log
13×*-un-lft-identity
pow1
add-log-exp
add-cube-cbrt
times-frac associate-/l* difference-of-squares
prod-exp cbrt-unprod insert-posit16
flip3-- associate-*r* pow-prod-down sqrt-prod flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
clear-num associate-/r* frac-2neg div-sub associate-*l* *-commutative div-inv
Counts
4 → 79
Calls
4 calls:
Slowest
113.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
43.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
26.0ms
(* (* 3 a) c)
15.0ms
(- (* b b) (* (* 3 a) c))

series356.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
154.0ms
(/ (- (sqrt (- (* b b) (* (* 3 a) c))) b) (* 3 a))
120.0ms
(- (sqrt (- (* b b) (* (* 3 a) c))) b)
59.0ms
(- (* b b) (* (* 3 a) c))
23.0ms
(* (* 3 a) c)

simplify5.3s

Counts
50 → 91
Calls
50 calls:
Slowest
606.0ms
(- (* (sqrt (- (* b b) (* (* 3 a) c))) (sqrt (- (* b b) (* (* 3 a) c)))) (* b b))
408.0ms
(* (* (* (* 3 a) (* 3 a)) (* 3 a)) (* (* c c) c))
408.0ms
(* (* (* (* 3 3) 3) (* (* a a) a)) (* (* c c) c))
356.0ms
(- (pow (sqrt (- (* b b) (* (* 3 a) c))) 3) (pow b 3))
310.0ms
(/ (exp (* b b)) (exp (* (* 3 a) c)))

prune1.1s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.6b

localize6.0ms

Local error

Found 0 expressions with local error:

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0
Calls
0 calls:
Slowest

series0.0ms

Counts
0 → 0
Calls
0 calls:
Slowest

simplify0.0ms

Counts
0 → 0
Calls
0 calls:
Slowest

prune50.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.6b

localize14.0ms

Local error

Found 3 expressions with local error:

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

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
49×add-cbrt-cube add-exp-log
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
times-frac associate-*r*
pow1
associate-/r*
associate-*l* insert-posit16 div-inv add-log-exp
clear-num frac-2neg associate-*r/ associate-/l*
pow-prod-down *-commutative unswap-sqr associate-/l/
Counts
3 → 81
Calls
3 calls:
Slowest
17.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))
12.0ms
(* -3/2 (/ (* a c) b))
9.0ms
(/ (* a c) b)

series110.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
46.0ms
(* -3/2 (/ (* a c) b))
42.0ms
(/ (* -3/2 (/ (* a c) b)) (* 3 a))
22.0ms
(/ (* a c) b)

simplify13.1s

Counts
58 → 90
Calls
58 calls:
Slowest
1.4s
(/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* 3 a) (* 3 a)) (* 3 a)))
1.3s
(/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a c) (* a c)) (* a c)) (* (* b b) b))) (* (* (* 3 a) (* 3 a)) (* 3 a)))
1.2s
(/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* (* 3 3) 3) (* (* a a) a)))
1.2s
(/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a c) (* a c)) (* a c)) (* (* b b) b))) (* (* (* 3 3) 3) (* (* a a) a)))
850.0ms
(/ (* (* (* -3/2 (/ (* a c) b)) (* -3/2 (/ (* a c) b))) (* -3/2 (/ (* a c) b))) (* (* (* 3 a) (* 3 a)) (* 3 a)))

prune796.0ms

Pruning

29 alts after pruning (28 fresh and 1 done)

Merged error: 4.5b

localize28.0ms

Local error

Found 4 expressions with local error:

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

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
52×add-cbrt-cube add-exp-log
42×times-frac
29×add-sqr-sqrt
27×*-un-lft-identity add-cube-cbrt
21×cbrt-undiv div-exp
13×prod-exp cbrt-unprod
associate-/r* associate-/l*
div-inv
associate-*r*
pow1
insert-posit16 add-log-exp
clear-num frac-2neg associate-*l*
associate-*r/ associate-/l/
pow-prod-down *-commutative unswap-sqr
Counts
4 → 130
Calls
4 calls:
Slowest
38.0ms
(/ (/ (* -3/2 (/ (* a c) b)) 3) a)
29.0ms
(/ (* -3/2 (/ (* a c) b)) 3)
24.0ms
(* -3/2 (/ (* a c) b))
17.0ms
(/ (* a c) b)

series122.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
36.0ms
(/ (* -3/2 (/ (* a c) b)) 3)
33.0ms
(* -3/2 (/ (* a c) b))
32.0ms
(/ (/ (* -3/2 (/ (* a c) b)) 3) a)
21.0ms
(/ (* a c) b)

simplify20.3s

Counts
120 → 142
Calls
120 calls:
Slowest
886.0ms
(/ (/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a a) a) (* (* c c) c)) (* (* b b) b))) (* (* 3 3) 3)) (* (* a a) a))
735.0ms
(/ (/ (* (* (* -3/2 -3/2) -3/2) (/ (* (* (* a c) (* a c)) (* a c)) (* (* b b) b))) (* (* 3 3) 3)) (* (* a a) a))
570.0ms
(- (- (+ (log -3/2) (- (+ (log a) (log c)) (log b))) (log 3)) (log a))
551.0ms
(/ (/ (/ (* a c) b) (cbrt 3)) a)
545.0ms
(/ (/ (/ (* a c) b) 3) a)

prune1.2s

Pruning

31 alts after pruning (30 fresh and 1 done)

Merged error: 4.5b

regimes766.0ms

Accuracy

0% (6.8b remaining)

Error of 11.9b against oracle of 5.1b and baseline of 11.9b

bsearch1.0ms

end0.0ms

sample5.4s

Algorithm
intervals
Results
1.5s16319×pre80true
1.3s8319×body80nan
1.3s4805×body160valid
673.0ms1405×body320valid
216.0ms1790×body80valid