Details

Time bar (total: 25.8s)

sample215.0ms

Algorithm
intervals
Results
71.0ms303×body80nan
37.0ms58×body1280valid
18.0ms173×body80valid
13.0ms29×body640valid
12.0ms12×body2560valid
4.0ms13×body320valid
1.0msbody160valid

simplify349.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01819
13219
25419
37519
48719
58919
done8919

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.6b

localize23.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ a (* b 3.0))
0.2b
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
0.4b
(/ (* z t) 3.0)
26.2b
(cos (- y (/ (* z t) 3.0)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
19×add-exp-log add-cbrt-cube
pow1 add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
prod-exp cbrt-unprod
cbrt-undiv div-exp associate-/r* associate-/l* add-log-exp
cos-diff associate-*r* pow-prod-down
cos-sum frac-2neg clear-num div-inv
distribute-rgt-in sub-neg distribute-lft-in associate-*l* *-commutative
Counts
4 → 72
Calls
4 calls:
13.0ms
(/ a (* b 3.0))
46.0ms
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
11.0ms
(/ (* z t) 3.0)
18.0ms
(cos (- y (/ (* z t) 3.0)))

series239.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ a (* b 3.0))
144.0ms
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
29.0ms
(/ (* z t) 3.0)
40.0ms
(cos (- y (/ (* z t) 3.0)))

simplify3.0s

Counts
84 → 84
Iterations

Useful iterations: 2 (223.0ms)

IterNodesCost
0170993
1399961
21339813
34829813
done5000813

prune380.0ms

Pruning

18 alts after pruning (18 fresh and 0 done)

Merged error: 17.1b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))
0.3b
(/ t (sqrt 3.0))
0.3b
(/ z (sqrt 3.0))
25.9b
(cos (- y (* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
90×add-sqr-sqrt
84×times-frac
60×add-cube-cbrt *-un-lft-identity
48×sqrt-prod
22×associate-*r* associate-*l*
20×add-exp-log add-cbrt-cube
12×associate-/r*
unswap-sqr
pow1 cbrt-undiv div-exp associate-/l*
prod-exp cbrt-unprod div-inv add-log-exp
cos-sum frac-2neg clear-num
cos-diff frac-times sub-neg associate-*r/ pow-prod-down associate-*l/ *-commutative
Counts
4 → 161
Calls
4 calls:
51.0ms
(* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))
6.0ms
(/ t (sqrt 3.0))
6.0ms
(/ z (sqrt 3.0))
10.0ms
(cos (- y (* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))))

series558.0ms

Counts
4 → 12
Calls
4 calls:
182.0ms
(* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))
84.0ms
(/ t (sqrt 3.0))
69.0ms
(/ z (sqrt 3.0))
223.0ms
(cos (- y (* (/ z (sqrt 3.0)) (/ t (sqrt 3.0)))))

simplify1.7s

Counts
173 → 173
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01972006
14631849
214421619
done50011553

prune843.0ms

Pruning

25 alts after pruning (25 fresh and 0 done)

Merged error: 16.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt t)
0.6b
(cbrt t)
0.6b
(cbrt t)
26.1b
(cos (- y (* (/ z (sqrt 3.0)) (* (* (/ (cbrt t) (sqrt (sqrt 3.0))) (cbrt t)) (/ (cbrt t) (sqrt (sqrt 3.0)))))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log add-cbrt-cube add-log-exp
pow1/3
cos-sum
cos-diff sub-neg
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt t)
1.0ms
(cbrt t)
1.0ms
(cbrt t)
14.0ms
(cos (- y (* (/ z (sqrt 3.0)) (* (* (/ (cbrt t) (sqrt (sqrt 3.0))) (cbrt t)) (/ (cbrt t) (sqrt (sqrt 3.0)))))))

series937.0ms

Counts
4 → 12
Calls
4 calls:
251.0ms
(cbrt t)
224.0ms
(cbrt t)
220.0ms
(cbrt t)
241.0ms
(cos (- y (* (/ z (sqrt 3.0)) (* (* (/ (cbrt t) (sqrt (sqrt 3.0))) (cbrt t)) (/ (cbrt t) (sqrt (sqrt 3.0)))))))

simplify3.1s

Counts
55 → 55
Iterations

Useful iterations: 3 (149.0ms)

IterNodesCost
064628
1116614
2267486
3831309
44134309
done5001309

prune488.0ms

Pruning

29 alts after pruning (28 fresh and 1 done)

Merged error: 16.7b

localize45.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (sin y) (sin (- (* z (/ t 3.0)))))
0.3b
(* (* 2.0 (sqrt x)) (- (* (cos (* z (/ t 3.0))) (cos y)) (* (sin y) (sin (- (* z (/ t 3.0)))))))
29.5b
(cos (* z (/ t 3.0)))
29.8b
(sin (- (* z (/ t 3.0))))

rewrite199.0ms

Algorithm
rewrite-expression-head
Rules
11×pow1 add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
associate-*r*
associate-*r/ associate-*l* pow-prod-down prod-exp cbrt-unprod add-log-exp
sin-mult
distribute-rgt-in sub-neg distribute-lft-in sin-neg cos-mult *-commutative
neg-sub0 flip3-- sin-diff distribute-rgt-neg-out frac-sub flip-- sub-div unswap-sqr
Counts
4 → 62
Calls
4 calls:
27.0ms
(* (sin y) (sin (- (* z (/ t 3.0)))))
144.0ms
(* (* 2.0 (sqrt x)) (- (* (cos (* z (/ t 3.0))) (cos y)) (* (sin y) (sin (- (* z (/ t 3.0)))))))
10.0ms
(cos (* z (/ t 3.0)))
15.0ms
(sin (- (* z (/ t 3.0))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(* (sin y) (sin (- (* z (/ t 3.0)))))
297.0ms
(* (* 2.0 (sqrt x)) (- (* (cos (* z (/ t 3.0))) (cos y)) (* (sin y) (sin (- (* z (/ t 3.0)))))))
15.0ms
(cos (* z (/ t 3.0)))
33.0ms
(sin (- (* z (/ t 3.0))))

simplify1.4s

Counts
74 → 74
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01531540
13891488
213741256
done50001216

prune463.0ms

Pruning

36 alts after pruning (35 fresh and 1 done)

Merged error: 15.9b

regimes4.5s

Accuracy

47% (2.5b remaining)

Error of 17.9b against oracle of 15.4b and baseline of 20.1b

bsearch3.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
04286
15569
done5569

end0.0ms

sample6.6s

Algorithm
intervals
Results
1.7s9102×body80nan
1.1s1543×body1280valid
1.0s5701×body80valid
774.0ms926×body640valid
448.0ms390×body2560valid
197.0ms416×body320valid
42.0ms192×body160valid