Details

Time bar (total: 14.3s)

sample110.0ms

Algorithm
intervals
Results
62.0ms93×body1280valid
15.0ms125×body80valid
14.0ms26×body640valid
2.0msbody320valid
1.0msbody160valid

simplify104.0ms

Counts
1 → 1
Iterations
IterNodes
done114
6114
5111
489
369
243
121
09

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1/2 (/ 1/2 (hypot 1 x))))
0.0b
(hypot 1 x)
0.0b
(/ 1/2 (hypot 1 x))
1.7b
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
41×add-sqr-sqrt
27×add-cube-cbrt
21×prod-diff
20×sqrt-prod
10×times-frac
add-cbrt-cube add-exp-log add-log-exp
pow1 distribute-lft-out
expm1-log1p-u insert-posit16 log1p-expm1-u difference-of-squares
associate-/r* fma-neg associate-/l* distribute-lft-out--
sqrt-div hypot-def
cbrt-undiv rem-sqrt-square hypot-udef clear-num sub-neg frac-2neg sqrt-pow1 flip3-+ flip3-- pow1/2 diff-log div-exp flip-+ div-inv flip--
Counts
4 → 108
Calls
4 calls:
14.0ms
(sqrt (+ 1/2 (/ 1/2 (hypot 1 x))))
0.0ms
(hypot 1 x)
7.0ms
(/ 1/2 (hypot 1 x))
55.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

series426.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(sqrt (+ 1/2 (/ 1/2 (hypot 1 x))))
76.0ms
(hypot 1 x)
98.0ms
(/ 1/2 (hypot 1 x))
137.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

simplify1.7s

Counts
120 → 120
Iterations
IterNodes
done2003
32003
21331
1495
0212

prune519.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize63.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1/2 (hypot 1 x))
0.0b
(/ 1/2 (hypot 1 x))
0.0b
(/ 1/2 (hypot 1 x))
1.2b
(- 1 (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ 1/2 (/ 1/2 (hypot 1 x)))))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
30×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
27×times-frac
10×add-cbrt-cube add-exp-log
associate-/r* associate-/l*
add-log-exp
expm1-log1p-u pow1 insert-posit16 log1p-expm1-u
cbrt-undiv clear-num frac-2neg fma-neg div-exp prod-diff div-inv
associate--r+
distribute-rgt-in sub-neg distribute-lft-in flip3-- diff-log flip--
Counts
4 → 113
Calls
4 calls:
7.0ms
(/ 1/2 (hypot 1 x))
7.0ms
(/ 1/2 (hypot 1 x))
7.0ms
(/ 1/2 (hypot 1 x))
10.0ms
(- 1 (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ 1/2 (/ 1/2 (hypot 1 x)))))

series424.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(/ 1/2 (hypot 1 x))
85.0ms
(/ 1/2 (hypot 1 x))
83.0ms
(/ 1/2 (hypot 1 x))
195.0ms
(- 1 (* (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))) (+ 1/2 (/ 1/2 (hypot 1 x)))))

simplify1.1s

Counts
125 → 125
Iterations
IterNodes
done2008
32008
21124
1366
0149

prune784.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.0b
(hypot 1 x)
0.0b
(/ 1/2 (hypot 1 x))
0.1b
(exp (log (- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))))
1.7b
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

rewrite110.0ms

Algorithm
rewrite-expression-head
Rules
48×*-un-lft-identity
44×add-sqr-sqrt
28×add-cube-cbrt
21×prod-diff
20×sqrt-prod
10×log-prod exp-sum
times-frac
difference-of-squares
add-cbrt-cube add-exp-log distribute-lft-out-- add-log-exp
pow1 distribute-lft-out
expm1-log1p-u exp-prod insert-posit16 log1p-expm1-u
associate-/r* fma-neg associate-/l*
log-div flip3-- exp-diff flip--
cbrt-undiv hypot-udef clear-num sub-neg frac-2neg diff-log div-exp log-pow div-inv rem-exp-log
Counts
4 → 114
Calls
4 calls:
0.0ms
(hypot 1 x)
7.0ms
(/ 1/2 (hypot 1 x))
49.0ms
(exp (log (- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))))
50.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

series496.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(hypot 1 x)
86.0ms
(/ 1/2 (hypot 1 x))
180.0ms
(exp (log (- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))))
167.0ms
(- 1 (sqrt (+ 1/2 (/ 1/2 (hypot 1 x)))))

simplify1.4s

Counts
126 → 126
Iterations
IterNodes
done2001
32001
21144
1480
0233

prune607.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.1b
(* (* x x) x)
0.3b
(* (* (* x x) (* x x)) -11/128)
17.0b
(fma (* (* (* x x) x) (* (* x x) x)) 69/1024 (* (* (* x x) (* x x)) -11/128))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
60×pow1
32×add-cbrt-cube add-exp-log
19×pow-prod-down prod-exp cbrt-unprod
12×pow-plus pow-prod-up
10×add-sqr-sqrt
associate-*r*
*-un-lft-identity add-cube-cbrt
pow2 expm1-log1p-u pow-sqr insert-posit16 log1p-expm1-u add-log-exp
associate-*l* *-commutative unswap-sqr
pow3
fma-udef
Counts
4 → 104
Calls
4 calls:
32.0ms
(* (* x x) x)
30.0ms
(* (* x x) x)
113.0ms
(* (* (* x x) (* x x)) -11/128)
0.0ms
(fma (* (* (* x x) x) (* (* x x) x)) 69/1024 (* (* (* x x) (* x x)) -11/128))

series415.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(* (* x x) x)
49.0ms
(* (* x x) x)
70.0ms
(* (* (* x x) (* x x)) -11/128)
227.0ms
(fma (* (* (* x x) x) (* (* x x) x)) 69/1024 (* (* (* x x) (* x x)) -11/128))

simplify1.4s

Counts
116 → 116
Iterations
IterNodes
done2012
32012
2833
1302
0103

prune399.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes157.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 14.7b

bsearch1.0ms

simplify9.0ms

Iterations
IterNodes
done33
133
025

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.3s2787×body1280valid
653.0ms4079×body80valid
390.0ms651×body640valid
115.0ms324×body320valid
36.0ms159×body160valid