Details

Time bar (total: 12.2s)

sample85.0ms

Algorithm
intervals
Results
15.0ms315×body80nan
9.0ms168×body80valid
7.0ms36×body640valid
6.0ms23×body1280valid
5.0ms20×body1280nan
4.0ms22×body640nan
2.0ms14×body320valid
2.0ms15×body160valid
1.0msbody320nan
1.0msbody160nan

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 1 (8.0ms)

IterNodesCost
01827
14126
29426
321826
443626
582426
6133526
7244726
done500026

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.2b

localize18.0ms

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)))

rewrite75.0ms

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
expm1-log1p-u sqrt-div log1p-expm1-u
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 fma-neg diff-log prod-diff pow-prod-down clear-num *-commutative div-inv associate-/l*
Counts
4 → 90
Calls
4 calls:
25.0ms
(/ (* (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)
13.0ms
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
29.0ms
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

series1.9s

Counts
4 → 12
Calls
4 calls:
426.0ms
(/ (* (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)
220.0ms
(- (* (/ (+ 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)))

simplify720.0ms

Counts
102 → 102
Iterations

Useful iterations: 2 (166.0ms)

IterNodesCost
01792660
14552371
220322177
done50012177

prune400.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 6.1b

localize19.0ms

Local error

Found 4 expressions with local error:

5.6b
(fma 2.0 (* t t) (fma 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 (fma 2.0 (* t t) (fma 2.0 (/ (pow l 2) x) (* 4.0 (/ (pow t 2) x)))))

rewrite15.0ms

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-cbrt-cube unpow2 sqr-pow
div-exp associate-/r*
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
sqrt-prod
cbrt-undiv pow-to-exp frac-2neg pow-exp clear-num div-inv
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 127
Calls
4 calls:
0.0ms
(fma 2.0 (* t t) (fma 2.0 (/ (pow l 2) x) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
4.0ms
(/ (pow l 2) x)
1.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (/ (pow l 2) x) (* 4.0 (/ (pow t 2) x)))))

series381.0ms

Counts
4 → 12
Calls
4 calls:
71.0ms
(fma 2.0 (* t t) (fma 2.0 (/ (pow l 2) x) (* 4.0 (/ (pow t 2) x))))
19.0ms
(/ (pow t 2) x)
19.0ms
(/ (pow l 2) x)
273.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (/ (pow l 2) x) (* 4.0 (/ (pow t 2) x)))))

simplify616.0ms

Counts
139 → 139
Iterations

Useful iterations: 2 (143.0ms)

IterNodesCost
02181816
13821665
214141462
done50001462

prune536.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.2b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite14.0ms

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-cbrt-cube associate-/l*
pow1 sqrt-prod
associate-*l*
expm1-log1p-u log1p-expm1-u unpow2 add-log-exp sqr-pow
div-exp associate-*r* associate-/r*
unswap-sqr
cbrt-undiv pow-to-exp rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-prod-down pow-exp prod-exp clear-num *-commutative cbrt-unprod fma-udef div-inv
Counts
4 → 100
Calls
4 calls:
5.0ms
(* (sqrt 2.0) t)
0.0ms
(fma 2.0 (* t t) (fma 2.0 (* l (/ l x)) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
1.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (* l (/ l x)) (* 4.0 (/ (pow t 2) x)))))

series404.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(* (sqrt 2.0) t)
71.0ms
(fma 2.0 (* t t) (fma 2.0 (* l (/ l x)) (* 4.0 (/ (pow t 2) x))))
19.0ms
(/ (pow t 2) x)
269.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (* l (/ l x)) (* 4.0 (/ (pow t 2) x)))))

simplify574.0ms

Counts
112 → 112
Iterations

Useful iterations: 2 (121.0ms)

IterNodesCost
01761440
13271325
212241185
done50001185

prune417.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.2b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
5.6b
(fma 2.0 (* t t) (fma 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 (fma 2.0 (* t t) (fma 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x))) (* 4.0 (/ (pow t 2) x)))))

rewrite9.0ms

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
associate-/l*
add-cbrt-cube
pow1
expm1-log1p-u log1p-expm1-u unpow2 add-log-exp sqr-pow
cbrt-prod div-exp associate-/r* sqrt-prod
cbrt-undiv pow-to-exp rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow1/3 pow-exp clear-num fma-udef div-inv
Counts
4 → 89
Calls
4 calls:
1.0ms
(cbrt x)
0.0ms
(fma 2.0 (* t t) (fma 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x))) (* 4.0 (/ (pow t 2) x))))
4.0ms
(/ (pow t 2) x)
1.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x))) (* 4.0 (/ (pow t 2) x)))))

series576.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(cbrt x)
86.0ms
(fma 2.0 (* t t) (fma 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x))) (* 4.0 (/ (pow t 2) x))))
18.0ms
(/ (pow t 2) x)
293.0ms
(sqrt (fma 2.0 (* t t) (fma 2.0 (* (/ l (* (cbrt x) (cbrt x))) (/ l (cbrt x))) (* 4.0 (/ (pow t 2) x)))))

simplify520.0ms

Counts
101 → 101
Iterations

Useful iterations: done (517.0ms)

IterNodesCost
01701556
13121435
211451222
done50001172

prune435.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.2b

regimes352.0ms

Accuracy

75.7% (5.9b remaining)

Error of 9.8b against oracle of 3.8b and baseline of 28.2b

bsearch509.0ms

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
-2.1093237783967825e-178
10
-8.385336723204237e+89
-7.10480317732965e+72
-3.67406841218316e+85

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
051171
160171
done60171

end0.0ms

sample2.1s

Algorithm
intervals
Results
499.0ms10142×body80nan
262.0ms5082×body80valid
237.0ms879×body1280valid
195.0ms994×body640valid
142.0ms587×body1280nan
116.0ms590×body640nan
97.0ms649×body320valid
44.0ms316×body320nan
41.0ms396×body160valid
22.0ms217×body160nan