Details

Time bar (total: 33.4s)

sample92.0ms

Algorithm
intervals
Results
32.0ms442×body80nan
18.0ms291×body80valid

simplify122.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04914
115514
268414
3389814
4500114
done500114

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.4b

localize19.0ms

Local error

Found 4 expressions with local error:

7.0b
(/ (* l l) Om)
7.9b
(* (* n (pow (/ l Om) 2.0)) (- U U*))
10.6b
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
19.8b
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

rewrite279.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log
30×prod-diff
26×add-sqr-sqrt *-un-lft-identity
25×pow1
24×add-cube-cbrt
23×add-cbrt-cube
22×associate-*r/
21×distribute-rgt-in distribute-lft-in
16×prod-exp
13×pow-prod-down
11×flip3-- flip--
10×associate--l+ cbrt-unprod
associate-*r* frac-sub
sub-neg sqrt-div
expm1-log1p-u sqrt-pow1 log1p-expm1-u add-log-exp
times-frac div-exp associate-/r*
cbrt-undiv associate-*l* pow-exp *-commutative
pow-to-exp frac-2neg pow1/2 clear-num sqrt-prod div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
4 → 141
Calls
4 calls:
9.0ms
(/ (* l l) Om)
45.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
123.0ms
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
96.0ms
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

series6.6s

Counts
4 → 12
Calls
4 calls:
19.0ms
(/ (* l l) Om)
365.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
1.3s
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
4.9s
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ (* l l) Om))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

simplify45.0ms

Counts
153 → 153
Iterations

Useful iterations: 1 (26.0ms)

IterNodesCost
011762339
150012015
done50012015

prune553.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 25.2b

localize19.0ms

Local error

Found 4 expressions with local error:

5.5b
(* n (pow (/ l Om) 2.0))
7.9b
(* (* n (pow (/ l Om) 2.0)) (- U U*))
10.6b
(* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
19.8b
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

rewrite293.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
35×add-exp-log
33×*-un-lft-identity
31×add-cube-cbrt
30×prod-diff
25×pow1 associate-*r*
22×associate-*r/
21×distribute-rgt-in distribute-lft-in
20×add-cbrt-cube
19×prod-exp
15×unpow-prod-down
13×pow-prod-down
11×flip3-- flip--
10×times-frac associate--l+ cbrt-unprod
frac-sub
sub-neg sqrt-div
associate-*l*
expm1-log1p-u sqrt-pow1 pow-exp log1p-expm1-u add-log-exp unswap-sqr
*-commutative
pow-to-exp div-exp sqr-pow
pow1/2 sqrt-prod div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 157
Calls
4 calls:
22.0ms
(* n (pow (/ l Om) 2.0))
44.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
121.0ms
(* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
99.0ms
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

series6.8s

Counts
4 → 12
Calls
4 calls:
150.0ms
(* n (pow (/ l Om) 2.0))
387.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
1.3s
(* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
5.0s
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

simplify48.0ms

Counts
169 → 169
Iterations

Useful iterations: 1 (28.0ms)

IterNodesCost
012292457
150012136
done50012136

prune595.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 24.3b

localize20.0ms

Local error

Found 4 expressions with local error:

5.5b
(* n (pow (/ l Om) 2.0))
7.9b
(* (* n (pow (/ l Om) 2.0)) (- U U*))
10.6b
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
19.8b
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

rewrite292.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
35×add-exp-log
33×*-un-lft-identity
31×add-cube-cbrt
30×prod-diff
25×pow1 associate-*r*
22×associate-*r/
21×distribute-rgt-in distribute-lft-in
20×add-cbrt-cube
19×prod-exp
15×unpow-prod-down
13×pow-prod-down
11×flip3-- flip--
10×times-frac associate--l+ cbrt-unprod
frac-sub
sub-neg sqrt-div
associate-*l*
expm1-log1p-u sqrt-pow1 pow-exp log1p-expm1-u add-log-exp unswap-sqr
*-commutative
pow-to-exp div-exp sqr-pow
pow1/2 sqrt-prod div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 157
Calls
4 calls:
22.0ms
(* n (pow (/ l Om) 2.0))
45.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
122.0ms
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
96.0ms
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

series7.1s

Counts
4 → 12
Calls
4 calls:
351.0ms
(* n (pow (/ l Om) 2.0))
390.0ms
(* (* n (pow (/ l Om) 2.0)) (- U U*))
1.3s
(* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*))))
5.0s
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (/ l (/ Om l)))) (* (* n (pow (/ l Om) 2.0)) (- U U*)))))

simplify51.0ms

Counts
169 → 169
Iterations

Useful iterations: 1 (30.0ms)

IterNodesCost
012272457
150022136
done50022136

prune564.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 24.3b

localize27.0ms

Local error

Found 4 expressions with local error:

19.8b
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* (* (cbrt (* n (pow (/ l Om) 2.0))) (cbrt (* n (pow (/ l Om) 2.0)))) (cbrt (* n (pow (/ l Om) 2.0)))) (- U U*)))))
30.4b
(cbrt (* n (pow (/ l Om) 2.0)))
30.4b
(cbrt (* n (pow (/ l Om) 2.0)))
30.4b
(cbrt (* n (pow (/ l Om) 2.0)))

rewrite258.0ms

Algorithm
rewrite-expression-head
Rules
14×pow1
10×associate-*r/
sqrt-div pow-prod-down
flip3-- flip--
add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity sqrt-pow1 frac-sub add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod pow1/3
pow1/2 sqrt-prod
Counts
4 → 54
Calls
4 calls:
236.0ms
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* (* (cbrt (* n (pow (/ l Om) 2.0))) (cbrt (* n (pow (/ l Om) 2.0)))) (cbrt (* n (pow (/ l Om) 2.0)))) (- U U*)))))
7.0ms
(cbrt (* n (pow (/ l Om) 2.0)))
7.0ms
(cbrt (* n (pow (/ l Om) 2.0)))
7.0ms
(cbrt (* n (pow (/ l Om) 2.0)))

series5.6s

Counts
4 → 12
Calls
4 calls:
5.0s
(sqrt (* (* (* 2.0 n) U) (- (- t (* 2.0 (* l (/ l Om)))) (* (* (* (cbrt (* n (pow (/ l Om) 2.0))) (cbrt (* n (pow (/ l Om) 2.0)))) (cbrt (* n (pow (/ l Om) 2.0)))) (- U U*)))))
206.0ms
(cbrt (* n (pow (/ l Om) 2.0)))
204.0ms
(cbrt (* n (pow (/ l Om) 2.0)))
210.0ms
(cbrt (* n (pow (/ l Om) 2.0)))

simplify65.0ms

Counts
66 → 66
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
05441036
12356983
25001977
done5001977

prune324.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 24.3b

regimes510.0ms

Accuracy

14.3% (7.8b remaining)

Error of 30.5b against oracle of 22.7b and baseline of 31.8b

bsearch353.0ms

Steps
ItersRangePoint
10
1.9644764314368125e+189
2.5386666659135918e+200
2.7244659562007136e+192
8
4.165409530078807e-176
3.982339784349315e-172
1.070028174441902e-172
7
1.3959854711839468e-305
3.997870835751917e-304
5.921596680002773e-305

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
05158
15429
25729
35729
done5729

end0.0ms

sample2.7s

Algorithm
intervals
Results
932.0ms14645×body80nan
589.0ms9159×body80valid