Details

Time bar (total: 21.4s)

sample209.0ms

Algorithm
intervals
Results
70.0ms277×body80nan
29.0ms44×body1280valid
20.0ms191×body80valid
14.0ms13×body2560valid
13.0ms24×body640valid
5.0ms14×body320valid
2.0msbody160valid

simplify86.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01819
13319
25819
38219
410019
510819
611019
done11019

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 20.1b

localize34.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* z t) 3.0)
0.2b
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
0.2b
(/ a (* b 3.0))
24.8b
(cos (- y (/ (* z t) 3.0)))

rewrite144.0ms

Algorithm
rewrite-expression-head
Rules
23×cos-sum
22×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
21×prod-diff
19×add-exp-log add-cbrt-cube
15×times-frac
pow1
prod-exp cbrt-unprod div-inv
cbrt-undiv expm1-log1p-u div-exp associate-/r* log1p-expm1-u associate-/l* add-log-exp
cos-diff associate-*r* pow-prod-down
frac-2neg clear-num
distribute-rgt-in sub-neg distribute-lft-in associate-*l* *-commutative
Counts
4 → 101
Calls
4 calls:
17.0ms
(/ (* z t) 3.0)
53.0ms
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
24.0ms
(/ a (* b 3.0))
42.0ms
(cos (- y (/ (* z t) 3.0)))

series275.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(/ (* z t) 3.0)
146.0ms
(* (* 2.0 (sqrt x)) (cos (- y (/ (* z t) 3.0))))
32.0ms
(/ a (* b 3.0))
70.0ms
(cos (- y (/ (* z t) 3.0)))

simplify1.6s

Counts
113 → 113
Iterations

Useful iterations: done (1.5s)

IterNodesCost
03272847
17102399
228931887
done50011822

prune717.0ms

Pruning

21 alts after pruning (21 fresh and 0 done)

Merged error: 15.8b

localize56.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin y) (sin (/ (* z t) 3.0)))
2.6b
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
29.7b
(cos (/ (* z t) 3.0))
29.8b
(sin (/ (* z t) 3.0))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
*-commutative sin-mult
associate-*r/ unswap-sqr
Counts
4 → 64
Calls
4 calls:
20.0ms
(* (sin y) (sin (/ (* z t) 3.0)))
70.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
6.0ms
(cos (/ (* z t) 3.0))
7.0ms
(sin (/ (* z t) 3.0))

series287.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(* (sin y) (sin (/ (* z t) 3.0)))
178.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
13.0ms
(cos (/ (* z t) 3.0))
23.0ms
(sin (/ (* z t) 3.0))

simplify824.0ms

Counts
76 → 76
Iterations

Useful iterations: done (822.0ms)

IterNodesCost
01061062
12341029
2990861
done5001845

prune678.0ms

Pruning

21 alts after pruning (21 fresh and 0 done)

Merged error: 15.7b

localize73.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (sin y) (sin (/ (* z t) 3.0)))
2.6b
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
29.4b
(cos (* 0.3333333333333333 (* t z)))
29.8b
(sin (/ (* z t) 3.0))

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
18×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
*-commutative sin-mult
associate-*r/ unswap-sqr
Counts
4 → 64
Calls
4 calls:
25.0ms
(* (sin y) (sin (/ (* z t) 3.0)))
74.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
31.0ms
(cos (* 0.3333333333333333 (* t z)))
7.0ms
(sin (/ (* z t) 3.0))

series296.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(* (sin y) (sin (/ (* z t) 3.0)))
168.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
18.0ms
(cos (* 0.3333333333333333 (* t z)))
28.0ms
(sin (/ (* z t) 3.0))

simplify917.0ms

Counts
76 → 76
Iterations

Useful iterations: done (913.0ms)

IterNodesCost
01051062
12371029
21001853
done5001845

prune666.0ms

Pruning

23 alts after pruning (23 fresh and 0 done)

Merged error: 15.7b

localize75.0ms

Local error

Found 4 expressions with local error:

0.6b
(expm1 (cos (* 0.3333333333333333 (* t z))))
2.6b
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
29.4b
(cos (* 0.3333333333333333 (* t z)))
29.8b
(sin (/ (* z t) 3.0))

rewrite107.0ms

Algorithm
rewrite-expression-head
Rules
16×pow1 add-exp-log add-cbrt-cube
pow-prod-down prod-exp cbrt-unprod
log1p-expm1-u
add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-log-exp
expm1-log1p associate-*r/ associate-*r* associate-*l* *-commutative sin-mult expm1-udef
Counts
4 → 54
Calls
4 calls:
1.0ms
(expm1 (cos (* 0.3333333333333333 (* t z))))
62.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
36.0ms
(cos (* 0.3333333333333333 (* t z)))
5.0ms
(sin (/ (* z t) 3.0))

series290.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(expm1 (cos (* 0.3333333333333333 (* t z))))
174.0ms
(* (* 2.0 (sqrt x)) (* (sin y) (sin (/ (* z t) 3.0))))
14.0ms
(cos (* 0.3333333333333333 (* t z)))
32.0ms
(sin (/ (* z t) 3.0))

simplify1.4s

Counts
66 → 66
Iterations

Useful iterations: done (1.4s)

IterNodesCost
0103898
1231862
2834708
done5000693

prune545.0ms

Pruning

25 alts after pruning (25 fresh and 0 done)

Merged error: 15.7b

regimes4.3s

Accuracy

50.4% (1.9b remaining)

Error of 18.7b against oracle of 16.8b and baseline of 20.7b

bsearch2.0ms

simplify8.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
04586
15970
done5970

end0.0ms

sample7.6s

Algorithm
intervals
Results
2.1s9187×body80nan
1.4s5545×body80valid
1.3s1576×body1280valid
589.0ms962×body640valid
424.0ms401×body2560valid
160.0ms428×body320valid
102.0ms221×body160valid