Details

Time bar (total: 25.4s)

sample692.0ms

Algorithm
intervals
Results
181.0ms288×body80nan
53.0ms155×body80valid
20.0ms31×body1280valid
14.0ms28×body640valid
11.0ms26×body640nan
10.0ms30×body320valid
9.0ms20×body1280nan
3.0ms12×body160valid
3.0msbody320nan
0.0msbody160nan

simplify4.5s

Counts
1 → 1
Iterations

Useful iterations: 1 (18.0ms)

IterNodesCost
01827
14126
210026
323426
453126
5105126
6192926
7459326
done500026

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 48.1b

localize38.0ms

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)
16.1b
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
22.4b
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

rewrite226.0ms

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:
93.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))
21.0ms
(* (sqrt 2.0) t)
42.0ms
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
63.0ms
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

series2.8s

Counts
4 → 12
Calls
4 calls:
629.0ms
(/ (* (sqrt 2.0) t) (sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))))
61.0ms
(* (sqrt 2.0) t)
313.0ms
(- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l))
1.8s
(sqrt (- (* (/ (+ x 1.0) (- x 1.0)) (+ (* l l) (* 2.0 (* t t)))) (* l l)))

simplify2.5s

Counts
102 → 102
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01792660
14842380
227402183
done50012176

prune719.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 6.6b

localize28.0ms

Local error

Found 4 expressions with local error:

3.8b
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x))))
8.3b
(/ (pow l 2) x)
9.8b
(/ (pow t 2) x)
29.7b
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x)))))

rewrite32.0ms

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:
1.0ms
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x))))
12.0ms
(/ (pow l 2) x)
9.0ms
(/ (pow t 2) x)
2.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x)))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
100.0ms
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x))))
41.0ms
(/ (pow l 2) x)
36.0ms
(/ (pow t 2) x)
250.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (/ (pow l 2) x)))))

simplify960.0ms

Counts
139 → 139
Iterations

Useful iterations: done (954.0ms)

IterNodesCost
02161767
13981621
215761429
done50001426

prune733.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.0b

localize41.0ms

Local error

Found 4 expressions with local error:

1.3b
(fma t t (* l (/ l x)))
3.8b
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x)))))
9.8b
(/ (pow t 2) x)
29.7b
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x))))))

rewrite25.0ms

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 (* l (/ l x)))
1.0ms
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x)))))
16.0ms
(/ (pow t 2) x)
4.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x))))))

series504.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(fma t t (* l (/ l x)))
78.0ms
(fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x)))))
32.0ms
(/ (pow t 2) x)
316.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (fma t t (* l (/ l x))))))

simplify659.0ms

Counts
98 → 98
Iterations

Useful iterations: done (656.0ms)

IterNodesCost
01581364
12921263
211691121
done50011119

prune904.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.0b

localize43.0ms

Local error

Found 4 expressions with local error:

9.8b
(/ (pow t 2) x)
29.7b
(sqrt (fma t t (* l (/ l x))))
29.7b
(sqrt (fma t t (* l (/ l x))))
29.7b
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (* (sqrt (fma t t (* l (/ l x)))) (sqrt (fma t t (* l (/ l x))))))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
24×add-cube-cbrt *-un-lft-identity times-frac
12×unpow-prod-down
add-exp-log sqrt-prod
associate-/l*
pow1
add-cbrt-cube
expm1-log1p-u log1p-expm1-u unpow2 add-log-exp sqr-pow
rem-sqrt-square sqrt-pow1 pow1/2 div-exp associate-/r*
cbrt-undiv pow-to-exp frac-2neg pow-exp clear-num div-inv
Counts
4 → 96
Calls
4 calls:
18.0ms
(/ (pow t 2) x)
3.0ms
(sqrt (fma t t (* l (/ l x))))
3.0ms
(sqrt (fma t t (* l (/ l x))))
3.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (* (sqrt (fma t t (* l (/ l x)))) (sqrt (fma t t (* l (/ l x))))))))

series492.0ms

Counts
4 → 12
Calls
4 calls:
23.0ms
(/ (pow t 2) x)
103.0ms
(sqrt (fma t t (* l (/ l x))))
134.0ms
(sqrt (fma t t (* l (/ l x))))
231.0ms
(sqrt (fma 4.0 (/ (pow t 2) x) (* 2.0 (* (sqrt (fma t t (* l (/ l x)))) (sqrt (fma t t (* l (/ l x))))))))

simplify739.0ms

Counts
108 → 108
Iterations

Useful iterations: done (734.0ms)

IterNodesCost
01551536
12911194
210021090
done50001088

prune578.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.0b

regimes697.0ms

Accuracy

77.8% (5.3b remaining)

Error of 9.2b against oracle of 3.9b and baseline of 27.9b

bsearch886.0ms

Steps
ItersRangePoint
6
5.7073382686318015e+118
6.873052400883988e+119
1.2779874262281365e+119
8
-1.2189785736955123e-260
-1.0581386398353699e-263
-1.323606909102099e-261
9
-2.2413056698092415e-178
-9.02348106815201e-184
-6.111047820265304e-179
9
-5.293841536497144e+53
-1.3313326719732008e+47
-2.6156735074350363e+50

simplify7.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
051201
159201
done59201

end0.0ms

sample6.2s

Algorithm
intervals
Results
1.8s9975×body80nan
1.2s5071×body80valid
557.0ms886×body1280valid
553.0ms1002×body640valid
326.0ms564×body1280nan
266.0ms576×body640nan
203.0ms667×body320valid
165.0ms319×body320nan
157.0ms374×body160valid
31.0ms175×body160nan