Details

Time bar (total: 9.1s)

sample31.0ms

Algorithm
intervals
Results
16.0ms270×body80valid

simplify306.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01011
1209
2469
3889
41389
51869
62249
72399
82429
done2429

prune5.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 7.3b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
7.2b
(/ (* x 2.0) (* z (- y t)))

rewrite75.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
18×*-un-lft-identity prod-diff
16×add-exp-log add-cube-cbrt add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
5×associate-*r* prod-exp cbrt-unprod
4×pow1 cbrt-undiv associate-*r/ div-exp
3×associate-*l*
2×expm1-log1p-u sub-neg flip3-- associate-/r/ flip-- log1p-expm1-u add-log-exp
1×frac-2neg times-frac pow-prod-down clear-num associate-/r* *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 71
Calls
2 calls:
45.0ms
(* z (- y t))
28.0ms
(/ (* x 2.0) (* z (- y t)))

series121.0ms

Counts
2 → 6
Calls
2 calls:
53.0ms
(* z (- y t))
68.0ms
(/ (* x 2.0) (* z (- y t)))

simplify1.0s

Counts
77 → 77
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01451080
1324905
21205699
done5000675

prune166.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 1 expressions with local error:

5.6b
(/ (/ (* x 2.0) z) (- y t))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
53×times-frac
37×add-sqr-sqrt *-un-lft-identity
21×add-cube-cbrt
10×add-exp-log add-cbrt-cube
8×distribute-lft-out-- difference-of-squares
7×div-inv associate-/l*
5×cbrt-undiv div-exp associate-/r*
2×associate-/r/
1×pow1 expm1-log1p-u flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
Counts
1 → 68
Calls
1 calls:
41.0ms
(/ (/ (* x 2.0) z) (- y t))

series63.0ms

Counts
1 → 3
Calls
1 calls:
63.0ms
(/ (/ (* x 2.0) z) (- y t))

simplify1.1s

Counts
71 → 71
Iterations

Useful iterations: 2 (243.0ms)

IterNodesCost
01471093
13711045
21163971
done5000971

prune215.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

localize10.0ms

Local error

Found 1 expressions with local error:

5.6b
(* (/ (* x 2.0) z) (/ 1 (- y t)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
40×add-exp-log
25×add-sqr-sqrt
22×add-cbrt-cube
21×associate-*r*
20×times-frac
19×*-un-lft-identity
16×prod-exp
14×div-exp
12×add-cube-cbrt
8×cbrt-unprod
7×cbrt-undiv associate-*l*
3×pow1 rec-exp 1-exp distribute-lft-out-- difference-of-squares unswap-sqr
2×associate-/r/ div-inv
1×expm1-log1p-u frac-times flip3-- associate-*r/ pow-prod-down associate-*l/ un-div-inv *-commutative flip-- log1p-expm1-u add-log-exp
Counts
1 → 64
Calls
1 calls:
71.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

series55.0ms

Counts
1 → 3
Calls
1 calls:
55.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

simplify2.2s

Counts
67 → 67
Iterations

Useful iterations: 2 (285.0ms)

IterNodesCost
0143995
1389824
21319654
done5000654

prune185.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (* x 2.0) (- y t))
3.7b
(/ (/ (* x 2.0) (- y t)) z)

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
58×times-frac
36×add-sqr-sqrt *-un-lft-identity
24×add-cube-cbrt
16×add-exp-log add-cbrt-cube
12×associate-/l*
10×associate-/r/
8×associate-/r*
7×cbrt-undiv div-exp
6×div-inv distribute-lft-out-- difference-of-squares
5×flip3-- flip--
2×pow1 expm1-log1p-u frac-2neg prod-exp clear-num cbrt-unprod log1p-expm1-u add-log-exp
1×associate-/l/
Counts
2 → 95
Calls
2 calls:
33.0ms
(/ (* x 2.0) (- y t))
45.0ms
(/ (/ (* x 2.0) (- y t)) z)

series181.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (* x 2.0) (- y t))
119.0ms
(/ (/ (* x 2.0) (- y t)) z)

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: 2 (197.0ms)

IterNodesCost
01691373
14101308
213651192
done50011192

prune365.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

regimes270.0ms

Accuracy

44.2% (3.0b remaining)

Error of 3.0b against oracle of 0.0b and baseline of 5.3b

bsearch2.0ms

simplify7.0ms

Iterations

Useful iterations: 1 (4.0ms)

IterNodesCost
02045
12931
done2931

end0.0ms

sample1.2s

Algorithm
intervals
Results
926.0ms8745×body80valid