Details

Time bar (total: 16.7s)

sample261.0ms

Algorithm
intervals
Results
108.0ms56×body2560valid
95.0ms79×body1280valid
25.0ms58×body640valid
11.0ms38×body320valid
4.0ms17×body160valid
1.0msbody80valid

simplify11.0ms

Counts
1 → 1
Iterations
IterNodes
done16
316
214
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.5b

localize19.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
2.1b
(- 1.0 (cos x))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt *-un-lft-identity
19×add-cube-cbrt
15×times-frac
prod-diff
associate-/l* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-exp-log add-log-exp
associate-/r* fma-neg
expm1-log1p-u pow1 flip3-- log1p-expm1-u flip-- associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg diff-log div-sub div-exp div-inv
Counts
2 → 68
Calls
2 calls:
15.0ms
(/ (- 1.0 (cos x)) (sin x))
8.0ms
(- 1.0 (cos x))

series412.0ms

Counts
2 → 6
Calls
2 calls:
42.0ms
(/ (- 1.0 (cos x)) (sin x))
371.0ms
(- 1.0 (cos x))

simplify917.0ms

Counts
74 → 74
Iterations
IterNodes
done5001
21211
1309
0134

prune364.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.2b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 1/24 (pow x 3) (fma (pow x 5) 1/240 (* 1/2 x)))
0.0b
(fma (pow x 5) 1/240 (* 1/2 x))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt fma-udef log1p-expm1-u add-log-exp
Counts
2 → 20
Calls
2 calls:
0.0ms
(fma 1/24 (pow x 3) (fma (pow x 5) 1/240 (* 1/2 x)))
0.0ms
(fma (pow x 5) 1/240 (* 1/2 x))

series304.0ms

Counts
2 → 6
Calls
2 calls:
100.0ms
(fma 1/24 (pow x 3) (fma (pow x 5) 1/240 (* 1/2 x)))
204.0ms
(fma (pow x 5) 1/240 (* 1/2 x))

simplify669.0ms

Counts
26 → 26
Iterations
IterNodes
done5000
3819
2177
162
035

prune216.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- 1.0 (cos x)) (sin x))
0.2b
(exp (/ (- 1.0 (cos x)) (sin x)))
1.5b
(log (exp (/ (- 1.0 (cos x)) (sin x))))
2.1b
(- 1.0 (cos x))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
62×add-sqr-sqrt *-un-lft-identity
45×times-frac
40×add-cube-cbrt
38×exp-prod
20×log-pow
11×distribute-lft-out-- difference-of-squares
prod-diff
add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-/l*
expm1-log1p-u log1p-expm1-u
log-prod associate-/r* fma-neg div-sub div-inv
flip3-- exp-diff flip-- associate-/l/
cbrt-undiv log-div clear-num sub-neg frac-2neg diff-log div-exp rem-log-exp rem-exp-log
Counts
4 → 132
Calls
4 calls:
21.0ms
(/ (- 1.0 (cos x)) (sin x))
17.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
28.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
6.0ms
(- 1.0 (cos x))

series208.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(/ (- 1.0 (cos x)) (sin x))
66.0ms
(exp (/ (- 1.0 (cos x)) (sin x)))
58.0ms
(log (exp (/ (- 1.0 (cos x)) (sin x))))
24.0ms
(- 1.0 (cos x))

simplify1.0s

Counts
144 → 144
Iterations
IterNodes
done5000
21390
1392
0195

prune674.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 0.1b

localize20.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ 1 (sin x))
0.2b
(* (/ 1 (sin x)) (- 1.0 (cos x)))
2.1b
(- 1.0 (cos x))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
43×*-un-lft-identity
38×add-cube-cbrt
27×prod-diff
20×times-frac
16×add-exp-log
13×associate-*l*
11×distribute-rgt-in distribute-lft-in
10×add-cbrt-cube
pow1
associate-*r* add-log-exp
div-exp prod-exp
expm1-log1p-u associate-/r* sub-neg flip3-- fma-neg log1p-expm1-u flip-- associate-/l* unswap-sqr
frac-times cbrt-undiv rec-exp 1-exp associate-*r/ cbrt-unprod div-inv distribute-lft-out-- difference-of-squares
clear-num frac-2neg diff-log pow-prod-down associate-*l/ *-commutative pow-flip inv-pow
Counts
3 → 126
Calls
3 calls:
7.0ms
(/ 1 (sin x))
42.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
6.0ms
(- 1.0 (cos x))

series78.0ms

Counts
3 → 9
Calls
3 calls:
17.0ms
(/ 1 (sin x))
41.0ms
(* (/ 1 (sin x)) (- 1.0 (cos x)))
20.0ms
(- 1.0 (cos x))

simplify2.1s

Counts
135 → 135
Iterations
IterNodes
done5000
23723
1541
0204

prune419.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 0.1b

regimes261.0ms

Accuracy

98.2% (0.6b remaining)

Error of 0.8b against oracle of 0.2b and baseline of 32.2b

bsearch1.0ms

simplify3.0ms

Iterations
IterNodes
done35
135
031

end0.0ms

sample8.6s

Algorithm
intervals
Results
3.5s1579×body2560valid
2.7s2757×body1280valid
1.5s1907×body640valid
402.0ms945×body320valid
168.0ms487×body160valid
38.0ms323×body80valid
24.0msbody5120valid