Details

Time bar (total: 10.9s)

sample37.0ms

Algorithm
intervals
Results
12.0ms343×body80valid

simplify4.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1159
2269
3469
4789
51169
61389
71549
81889
92549
103439
114509
126519
138579
1411119
1514139
1617919
1722089
1826889
1932679
2038539
2144599
done50009

prune4.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 7.2b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) a))
8.0b
(/ (* y (- z t)) a)

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
*-un-lft-identity
add-sqr-sqrt add-cube-cbrt add-log-exp
times-frac associate-/r*
pow1 cbrt-undiv associate-*r/ div-exp associate-/l/
+-commutative flip3-- frac-2neg flip3-+ prod-exp clear-num sum-log flip-- cbrt-unprod flip-+ div-inv distribute-lft-out associate-/l*
Counts
2 → 35
Calls
2 calls:
5.0ms
(+ x (/ (* y (- z t)) a))
8.0ms
(/ (* y (- z t)) a)

series39.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(+ x (/ (* y (- z t)) a))
14.0ms
(/ (* y (- z t)) a)

simplify916.0ms

Counts
41 → 41
Iterations

Useful iterations: done (915.0ms)

IterNodesCost
086505
1240476
2742429
33323403
done5000402

prune73.0ms

Filtered
28 candidates to 41 candidates (-46.4%)
Pruning

8 alts after pruning (7 fresh and 1 done)

PrunedKeptTotal
New34741
Fresh000
Picked011
Done000
Total34842

Merged error: 0.0b

Counts
42 → 8

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (/ y (/ a (- z t))))
6.8b
(/ y (/ a (- z t)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
123×times-frac
86×*-un-lft-identity
84×add-sqr-sqrt
60×add-cube-cbrt
21×associate-/r*
12×distribute-lft-out-- difference-of-squares
associate-/r/
add-exp-log add-cbrt-cube
div-inv
flip3-- flip-- add-log-exp
cbrt-undiv div-exp associate-/l*
pow1
+-commutative frac-2neg flip3-+ clear-num sum-log flip-+ distribute-lft-out
Counts
2 → 114
Calls
2 calls:
21.0ms
(+ x (/ y (/ a (- z t))))
10.0ms
(/ y (/ a (- z t)))

series32.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(+ x (/ y (/ a (- z t))))
15.0ms
(/ y (/ a (- z t)))

simplify513.0ms

Counts
120 → 120
Iterations

Useful iterations: done (510.0ms)

IterNodesCost
02351911
15331787
219181719
done50011715

prune134.0ms

Filtered
92 candidates to 120 candidates (-30.4%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New1182120
Fresh426
Picked101
Done011
Total1235128

Merged error: 0b

Counts
128 → 5

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (/ y a) (- z t)))
6.2b
(* (/ y a) (- z t))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*l*
12×*-un-lft-identity
10×add-cube-cbrt times-frac
add-exp-log add-cbrt-cube
associate-*r*
pow1 distribute-rgt-in sub-neg associate-+r+ distribute-lft-in add-log-exp
frac-times flip3-- associate-*r/ prod-exp flip-- cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ div-exp pow-prod-down associate-*l/ sum-log *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 57
Calls
2 calls:
4.0ms
(+ x (* (/ y a) (- z t)))
10.0ms
(* (/ y a) (- z t))

series33.0ms

Counts
2 → 6
Calls
2 calls:
18.0ms
(+ x (* (/ y a) (- z t)))
15.0ms
(* (/ y a) (- z t))

simplify507.0ms

Counts
63 → 63
Iterations

Useful iterations: done (505.0ms)

IterNodesCost
0123723
1324693
21164647
done5001619

prune69.0ms

Filtered
41 candidates to 63 candidates (-53.7%)
Pruning

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New63063
Fresh033
Picked011
Done011
Total63568

Merged error: 0b

Counts
68 → 5

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ 1 (/ (/ a (- z t)) y)))
0.2b
(/ 1 (/ (/ a (- z t)) y))
6.8b
(/ (/ a (- z t)) y)

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
756×times-frac
424×*-un-lft-identity
421×add-sqr-sqrt
325×add-cube-cbrt
70×associate-/r*
48×distribute-lft-out-- difference-of-squares
33×associate-/r/
29×add-exp-log
24×associate-/l*
23×div-inv
18×div-exp
17×add-cbrt-cube
16×flip3-- flip--
cbrt-undiv
add-log-exp
pow1
rec-exp 1-exp
frac-2neg clear-num distribute-lft-out
+-commutative pow-flip flip3-+ sum-log flip-+ associate-/l/ inv-pow
Counts
3 → 411
Calls
3 calls:
60.0ms
(+ x (/ 1 (/ (/ a (- z t)) y)))
20.0ms
(/ 1 (/ (/ a (- z t)) y))
17.0ms
(/ (/ a (- z t)) y)

series56.0ms

Counts
3 → 9
Calls
3 calls:
27.0ms
(+ x (/ 1 (/ (/ a (- z t)) y)))
14.0ms
(/ 1 (/ (/ a (- z t)) y))
15.0ms
(/ (/ a (- z t)) y)

simplify1.3s

Counts
420 → 420
Iterations

Useful iterations: 2 (436.0ms)

IterNodesCost
05968365
114907490
248826879
done50006879

prune251.0ms

Filtered
220 candidates to 420 candidates (-90.9%)
Pruning

5 alts after pruning (2 fresh and 3 done)

PrunedKeptTotal
New4200420
Fresh022
Picked011
Done022
Total4205425

Merged error: 0b

Counts
425 → 5

regimes725.0ms

Accuracy

79.9% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 2.3b

bsearch1.0ms

simplify9.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01843
12535
done2535

end0.0ms

sample1.1s

Algorithm
intervals
Results
417.0ms10744×body80valid

Profiling

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