Details

Time bar (total: 13.5s)

sample85.0ms

Algorithm
intervals
Results
16.0ms315×body80nan
14.0ms20×body1280nan
9.0ms168×body80valid
7.0ms36×body640valid
6.0ms23×body1280valid
4.0ms22×body640nan
2.0ms14×body320valid
2.0ms15×body160valid
1.0msbody320nan
1.0msbody160nan

simplify2.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01827
13927
28627
317727
434427
555027
689927
7159227
8322927
done500127

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.2b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))
0.5b
(* (sqrt 2.0) t)
15.0b
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
21.7b
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×sqrt-prod
12×add-cube-cbrt *-un-lft-identity
11×add-exp-log add-cbrt-cube
pow1
times-frac associate-*l* associate-/r* add-log-exp
sqrt-div
flip3-- associate-*r* flip--
cbrt-undiv div-exp prod-exp associate--l+ associate-/r/ cbrt-unprod unswap-sqr
distribute-rgt-in sub-neg rem-sqrt-square frac-2neg distribute-lft-in sqrt-pow1 pow1/2 diff-log pow-prod-down clear-num *-commutative div-inv associate-/l*
Counts
4 → 80
Calls
4 calls:
30.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))
5.0ms
(* (sqrt 2.0) t)
12.0ms
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
22.0ms
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

series1.9s

Counts
4 → 12
Calls
4 calls:
440.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))
45.0ms
(* (sqrt 2.0) t)
217.0ms
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
1.2s
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

simplify605.0ms

Counts
92 → 92
Iterations

Useful iterations: 2 (148.0ms)

IterNodesCost
01682472
14162283
216752085
done50012085

prune305.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 6.1b

localize19.0ms

Local error

Found 4 expressions with local error:

5.6b
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))
6.9b
(/ (pow t 2) x)
6.9b
(/ (pow l 2) x)
27.7b
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
48×times-frac
40×add-sqr-sqrt
39×add-cube-cbrt *-un-lft-identity
24×unpow-prod-down
16×associate-/l*
14×add-exp-log
add-log-exp
add-cbrt-cube unpow2 sqr-pow
div-exp associate-/r*
pow1
sum-log sqrt-prod
cbrt-undiv pow-to-exp frac-2neg flip3-+ sqrt-div pow-exp clear-num flip-+ div-inv
+-commutative rem-sqrt-square associate-+r+ sqrt-pow1 pow1/2
Counts
4 → 126
Calls
4 calls:
16.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
4.0ms
(/ (pow l 2) x)
32.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))))

series384.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))
19.0ms
(/ (pow t 2) x)
24.0ms
(/ (pow l 2) x)
276.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))))

simplify597.0ms

Counts
138 → 138
Iterations

Useful iterations: 2 (189.0ms)

IterNodesCost
02292129
14531871
217221692
done50001692

prune505.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.2b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (sqrt 2.0) t)
5.6b
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x))))
6.9b
(/ (pow t 2) x)
27.7b
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x)))))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt
25×add-cube-cbrt *-un-lft-identity
24×times-frac
12×unpow-prod-down
11×add-exp-log
add-log-exp
add-cbrt-cube associate-/l*
pow1 sqrt-prod
associate-*l*
unpow2 sqr-pow
div-exp associate-*r* associate-/r* sum-log
flip3-+ sqrt-div flip-+ unswap-sqr
cbrt-undiv +-commutative pow-to-exp rem-sqrt-square associate-+r+ frac-2neg sqrt-pow1 pow1/2 pow-prod-down pow-exp prod-exp clear-num *-commutative cbrt-unprod div-inv
Counts
4 → 99
Calls
4 calls:
5.0ms
(* (sqrt 2.0) t)
28.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
50.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x)))))

series400.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(* (sqrt 2.0) t)
68.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x))))
19.0ms
(/ (pow t 2) x)
273.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* l (/ l x))) (* 4.0 (/ (pow t 2) x)))))

simplify630.0ms

Counts
111 → 111
Iterations

Useful iterations: 2 (178.0ms)

IterNodesCost
01911755
14061533
216121407
done50001407

prune358.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 4.2b

localize21.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
5.6b
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x))))
6.9b
(/ (pow t 2) x)
27.7b
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x)))))

rewrite368.0ms

Algorithm
rewrite-expression-head
Rules
24×add-sqr-sqrt times-frac
23×add-cube-cbrt *-un-lft-identity
12×unpow-prod-down
add-exp-log add-log-exp
associate-/l*
add-cbrt-cube
pow1
unpow2 sqr-pow
cbrt-prod div-exp associate-/r* sum-log sqrt-prod
flip3-+ sqrt-div flip-+
cbrt-undiv +-commutative pow-to-exp rem-sqrt-square associate-+r+ frac-2neg sqrt-pow1 pow1/2 pow1/3 pow-exp clear-num div-inv
Counts
4 → 88
Calls
4 calls:
1.0ms
(cbrt x)
121.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
240.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x)))))

series575.0ms

Counts
4 → 12
Calls
4 calls:
182.0ms
(cbrt x)
85.0ms
(+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x))))
18.0ms
(/ (pow t 2) x)
290.0ms
(sqrt (+ (* 2.0 (pow t 2)) (+ (* 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x)))) (* 4.0 (/ (pow t 2) x)))))

simplify535.0ms

Counts
100 → 100
Iterations

Useful iterations: done (531.0ms)

IterNodesCost
01841966
13921730
214341485
done50001413

prune380.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 4.2b

regimes405.0ms

Accuracy

75.6% (5.9b remaining)

Error of 9.8b against oracle of 3.8b and baseline of 28.1b

bsearch507.0ms

Steps
ItersRangePoint
9
8249416806277068.0
6.908956904862703e+24
6.769189022626266e+24
9
-5.149414502062706e-287
-6.479421214823862e-296
-5.07338813022938e-287
9
-1.9154334448410318e-177
-2.122947083583308e-184
-1.1776830540197237e-181
8
-7.474441928331378e+61
-1.7381937350890755e+58
-8.171560713962325e+60

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
050168
164168
done64168

end0.0ms

sample2.1s

Algorithm
intervals
Results
496.0ms10142×body80nan
263.0ms5082×body80valid
219.0ms879×body1280valid
198.0ms994×body640valid
145.0ms587×body1280nan
114.0ms590×body640nan
97.0ms649×body320valid
47.0ms316×body320nan
38.0ms396×body160valid
21.0ms217×body160nan