Details

Time bar (total: 38.8s)

sample395.0ms

Algorithm
intervals
Results
112.0ms328×body80nan
41.0ms173×body80valid
29.0ms26×body1280valid
22.0ms29×body640valid
15.0ms14×body1280nan
12.0ms19×body320valid
12.0ms14×body640nan
7.0ms12×body320nan
4.0msbody160valid
4.0msbody160nan

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
62403
5990
4463
3210
299
142
018

prune39.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 41.1b

localize85.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
0.4b
(* (sqrt 2) t)
12.8b
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
21.2b
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×sqrt-prod
12×*-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1
associate-/r* times-frac associate-*l* 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 rem-sqrt-square clear-num sub-neg frac-2neg distribute-lft-in sqrt-pow1 pow1/2 fma-neg diff-log prod-diff pow-prod-down *-commutative div-inv associate-/l*
Counts
4 → 90
Calls
4 calls:
38.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
6.0ms
(* (sqrt 2) t)
26.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
35.0ms
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))

series2.2s

Counts
4 → 12
Calls
4 calls:
472.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
72.0ms
(* (sqrt 2) t)
235.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
1.4s
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))

simplify10.6s

Counts
102 → 102
Iterations
IterNodes
37564
21675
1463
0177

prune1.5s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 7.5b

localize34.0ms

Local error

Found 4 expressions with local error:

0.8b
(fma t t (/ (* l l) x))
4.6b
(fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t)))
6.9b
(/ (* l l) x)
28.4b
(sqrt (fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-cbrt-cube add-exp-log
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r* times-frac sqrt-prod
cbrt-undiv div-exp fma-udef
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 prod-exp cbrt-unprod div-inv associate-/l*
Counts
4 → 58
Calls
4 calls:
0.0ms
(fma t t (/ (* l l) x))
0.0ms
(fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t)))
9.0ms
(/ (* l l) x)
1.0ms
(sqrt (fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t))))

series556.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(fma t t (/ (* l l) x))
115.0ms
(fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t)))
26.0ms
(/ (* l l) x)
337.0ms
(sqrt (fma 2 (fma t t (/ (* l l) x)) (/ (* 4 t) (/ x t))))

simplify657.0ms

Counts
70 → 70
Iterations
IterNodes
32059
2641
1228
0111

prune1.1s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.9b

localize64.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (sqrt 2) t)
0.8b
(fma t t (* l (/ l x)))
4.6b
(fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t)))
28.4b
(sqrt (fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t))))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1 sqrt-prod
add-cbrt-cube associate-*l* add-exp-log
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r*
fma-udef unswap-sqr
rem-sqrt-square sqrt-pow1 pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod
Counts
4 → 59
Calls
4 calls:
12.0ms
(* (sqrt 2) t)
0.0ms
(fma t t (* l (/ l x)))
0.0ms
(fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t)))
2.0ms
(sqrt (fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t))))

series572.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(* (sqrt 2) t)
72.0ms
(fma t t (* l (/ l x)))
94.0ms
(fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t)))
350.0ms
(sqrt (fma 2 (fma t t (* l (/ l x))) (/ (* 4 t) (/ x t))))

simplify3.8s

Counts
71 → 71
Iterations
IterNodes
45717
31501
2526
1201
0103

prune1.5s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.8b

localize66.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))
0.1b
(/ (* (sqrt 2) t) (sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))))
0.4b
(* (sqrt 2) t)
28.4b
(sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x)))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×sqrt-prod
12×*-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1
associate-/r* times-frac associate-*l*
expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r*
cbrt-undiv div-exp prod-exp cbrt-unprod unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down *-commutative fma-udef div-inv associate-/l*
Counts
4 → 78
Calls
4 calls:
0.0ms
(fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))
9.0ms
(/ (* (sqrt 2) t) (sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))))
9.0ms
(* (sqrt 2) t)
2.0ms
(sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x)))))

series793.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))
194.0ms
(/ (* (sqrt 2) t) (sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x))))))
46.0ms
(* (sqrt 2) t)
478.0ms
(sqrt (fma (/ l x) (* 2 l) (* (* t t) (+ 2 (/ 4 x)))))

simplify1.4s

Counts
90 → 90
Iterations
IterNodes
33274
2854
1286
0128

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.8b

regimes743.0ms

Accuracy

77.7% (5.2b remaining)

Error of 9.1b against oracle of 3.9b and baseline of 27.2b

bsearch344.0ms

Steps
ItersRangePoint
5
6.427095866430153e+63
2.5010262506421148e+64
2.2206986511032415e+64
10
-6.07299216690422e+154
-4.987932973877915e+141
-3.8166792423498327e+149

simplify22.0ms

Iterations
IterNodes
244
144
037

end0.0ms

sample8.7s

Algorithm
intervals
Results
2.6s10168×body80nan
1.3s826×body1280valid
1.2s5166×body80valid
989.0ms1047×body640valid
651.0ms592×body1280nan
514.0ms609×body640nan
414.0ms644×body320valid
182.0ms332×body320nan
119.0ms317×body160valid
95.0ms195×body160nan