Details

Time bar (total: 29.9s)

sample372.0ms

Algorithm
intervals
Results
77.0ms20×body320nan
43.0ms338×body80nan
24.0ms40×body640valid
22.0ms156×body80valid
16.0ms24×body1280valid
13.0ms19×body1280nan
11.0ms14×body640nan
9.0ms24×body320valid
3.0ms12×body160valid
1.0msbody160nan

simplify5.1s

Counts
1 → 1
Iterations

Useful iterations: 1 (17.0ms)

IterNodesCost
01827
14126
210026
322426
449726
594126
6155526
7330526
done500126

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 46.1b

localize45.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (* (sqrt 2.0) t) (sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))))
0.5b
(* (sqrt 2.0) t)
13.9b
(- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))
21.6b
(sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l)))

rewrite190.0ms

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-/r/ cbrt-unprod unswap-sqr
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log prod-diff pow-prod-down clear-num *-commutative div-inv associate-/l*
Counts
4 → 88
Calls
4 calls:
80.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))))
11.0ms
(* (sqrt 2.0) t)
31.0ms
(- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))
57.0ms
(sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l)))

series1.7s

Counts
4 → 12
Calls
4 calls:
772.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))))
59.0ms
(* (sqrt 2.0) t)
305.0ms
(- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l))
547.0ms
(sqrt (- (* (fma l l (* 2.0 (* t t))) (/ (+ x 1.0) (- x 1.0))) (* l l)))

simplify4.1s

Counts
100 → 100
Iterations

Useful iterations: 3 (2.1s)

IterNodesCost
01552445
13452250
211952062
349932025
done50002025

prune664.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 30.8b

localize45.0ms

Local error

Found 4 expressions with local error:

5.3b
(fma 2.0 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))
6.9b
(/ (pow l 2) x)
9.5b
(/ (pow t 2) x)
28.2b
(sqrt (fma 2.0 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))

rewrite29.0ms

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 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))
9.0ms
(/ (pow l 2) x)
11.0ms
(/ (pow t 2) x)
3.0ms
(sqrt (fma 2.0 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))

series596.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(fma 2.0 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x)))
22.0ms
(/ (pow l 2) x)
35.0ms
(/ (pow t 2) x)
443.0ms
(sqrt (fma 2.0 (fma t t (/ (pow l 2) x)) (* 4.0 (/ (pow t 2) x))))

simplify2.1s

Counts
139 → 139
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02171761
13761614
29121411
331821411
done50001410

prune1.3s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.3b

localize23.0ms

Local error

Found 4 expressions with local error:

1.0b
(fma t t (* (fabs l) (/ (fabs l) x)))
5.3b
(fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x)))
9.5b
(/ (pow t 2) x)
28.2b
(sqrt (fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x))))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
24×times-frac
23×add-sqr-sqrt
22×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
div-exp associate-/r* sqrt-prod
fma-udef
cbrt-undiv pow-to-exp rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-exp clear-num div-inv
Counts
4 → 86
Calls
4 calls:
0.0ms
(fma t t (* (fabs l) (/ (fabs l) x)))
1.0ms
(fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x)))
10.0ms
(/ (pow t 2) x)
2.0ms
(sqrt (fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x))))

series474.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(fma t t (* (fabs l) (/ (fabs l) x)))
126.0ms
(fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x)))
32.0ms
(/ (pow t 2) x)
262.0ms
(sqrt (fma 2.0 (fma t t (* (fabs l) (/ (fabs l) x))) (* 4.0 (/ (pow t 2) x))))

simplify2.2s

Counts
98 → 98
Iterations

Useful iterations: done (2.2s)

IterNodesCost
01691458
13151314
28311164
331011160
done50011159

prune550.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.3b

localize33.0ms

Local error

Found 4 expressions with local error:

1.0b
(fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2))))
5.3b
(fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x)))
9.5b
(/ (pow t 2) x)
28.2b
(sqrt (fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x))))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
24×times-frac
23×add-sqr-sqrt
22×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
div-exp associate-/r* sqrt-prod
fma-udef
cbrt-undiv pow-to-exp rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 pow-exp clear-num div-inv
Counts
4 → 86
Calls
4 calls:
1.0ms
(fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2))))
1.0ms
(fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x)))
18.0ms
(/ (pow t 2) x)
2.0ms
(sqrt (fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x))))

series674.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2))))
129.0ms
(fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x)))
21.0ms
(/ (pow t 2) x)
428.0ms
(sqrt (fma 2.0 (fma t t (/ (pow (* (cbrt l) (cbrt l)) 2) (/ x (pow (cbrt l) 2)))) (* 4.0 (/ (pow t 2) x))))

simplify1.9s

Counts
98 → 98
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01631745
12871587
26941327
323901216
done50001107

prune625.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.3b

regimes499.0ms

Accuracy

76.5% (5.6b remaining)

Error of 9.6b against oracle of 4.0b and baseline of 27.9b

bsearch295.0ms

Steps
ItersRangePoint
9
9.324172023423285e+142
1.1012045087961449e+149
1.6421833813677545e+146
10
-1.1979006433782284e+85
-5.09199279650327e+67
-2.8442338941596414e+80

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03979
14579
done4579

end0.0ms

sample6.4s

Algorithm
intervals
Results
1.3s10110×body80nan
1.2s5091×body80valid
1.0s1030×body640valid
697.0ms847×body1280valid
334.0ms601×body1280nan
273.0ms656×body320valid
257.0ms584×body640nan
168.0ms381×body320nan
75.0ms376×body160valid
38.0ms183×body160nan