Details

Time bar (total: 17.7s)

sample54.0ms

Algorithm
intervals
Results
23.0ms272×body80valid

simplify895.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11811
23311
35811
410111
513211
615911
718111
822411
928111
1031311
1135511
1239011
1340211
done40211

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.5b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (/ (* y (- z t)) (- z a)))
11.6b
(/ (* y (- z t)) (- z a))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
10×*-un-lft-identity
add-sqr-sqrt
add-exp-log add-cbrt-cube
times-frac associate-/r*
add-cube-cbrt add-log-exp
pow1 cbrt-undiv flip3-- associate-*r/ div-exp associate-/r/ flip-- associate-/l/ distribute-lft-out-- difference-of-squares
+-commutative frac-2neg flip3-+ prod-exp clear-num sum-log cbrt-unprod flip-+ div-inv distribute-lft-out associate-/l*
Counts
2 → 41
Calls
2 calls:
37.0ms
(+ x (/ (* y (- z t)) (- z a)))
33.0ms
(/ (* y (- z t)) (- z a))

series227.0ms

Counts
2 → 6
Calls
2 calls:
124.0ms
(+ x (/ (* y (- z t)) (- z a)))
102.0ms
(/ (* y (- z t)) (- z a))

simplify2.7s

Counts
47 → 47
Iterations

Useful iterations: 2 (184.0ms)

IterNodesCost
099629
1277587
2891529
33986529
done5001529

prune134.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ y (/ (- z a) (- z t))))
0.0b
(/ (- z a) (- z t))
3.4b
(/ y (/ (- z a) (- z t)))

rewrite184.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
197×*-un-lft-identity
195×add-sqr-sqrt
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
11×associate-/r/
10×add-exp-log add-cbrt-cube
associate-/l*
flip3-- flip-- div-inv
add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num associate-/l/
+-commutative flip3-+ div-sub sum-log flip-+ distribute-lft-out
Counts
3 → 206
Calls
3 calls:
72.0ms
(+ x (/ y (/ (- z a) (- z t))))
45.0ms
(/ (- z a) (- z t))
56.0ms
(/ y (/ (- z a) (- z t)))

series380.0ms

Counts
3 → 9
Calls
3 calls:
141.0ms
(+ x (/ y (/ (- z a) (- z t))))
50.0ms
(/ (- z a) (- z t))
188.0ms
(/ y (/ (- z a) (- z t)))

simplify1.6s

Counts
215 → 215
Iterations

Useful iterations: done (1.6s)

IterNodesCost
02923727
16853478
224233372
done50013366

prune726.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

localize75.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(* (cbrt (- z a)) (cbrt (- z a)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
37×cbrt-prod
31×add-sqr-sqrt
29×*-un-lft-identity
15×add-cube-cbrt
12×cbrt-div
11×pow1
10×swap-sqr
pow1/3
associate-*r* associate-*l*
add-exp-log flip3-- flip-- distribute-lft-out--
frac-times add-cbrt-cube add-log-exp difference-of-squares unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 89
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
55.0ms
(* (cbrt (- z a)) (cbrt (- z a)))

series1.1s

Counts
4 → 12
Calls
4 calls:
294.0ms
(cbrt y)
263.0ms
(cbrt y)
302.0ms
(cbrt y)
209.0ms
(* (cbrt (- z a)) (cbrt (- z a)))

simplify2.7s

Counts
101 → 101
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01231021
1226918
2521866
31063801
42770795
done5001771

prune569.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ 1 (/ (/ (- z a) (- z t)) y)))
0.0b
(/ (- z a) (- z t))
0.2b
(/ 1 (/ (/ (- z a) (- z t)) y))
3.5b
(/ (/ (- z a) (- z t)) y)

rewrite460.0ms

Algorithm
rewrite-expression-head
Rules
1181×times-frac
797×*-un-lft-identity
794×add-sqr-sqrt
450×add-cube-cbrt
172×distribute-lft-out-- difference-of-squares
105×associate-/r*
39×associate-/l*
35×associate-/r/
32×add-exp-log
24×div-inv
20×add-cbrt-cube
19×div-exp
18×flip3-- flip--
10×cbrt-undiv
add-log-exp
pow1
rec-exp frac-2neg 1-exp div-sub clear-num associate-/l/
distribute-lft-out
+-commutative pow-flip flip3-+ sum-log flip-+ inv-pow
Counts
4 → 624
Calls
4 calls:
188.0ms
(+ x (/ 1 (/ (/ (- z a) (- z t)) y)))
39.0ms
(/ (- z a) (- z t))
89.0ms
(/ 1 (/ (/ (- z a) (- z t)) y))
49.0ms
(/ (/ (- z a) (- z t)) y)

series572.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(+ x (/ 1 (/ (/ (- z a) (- z t)) y)))
64.0ms
(/ (- z a) (- z t))
287.0ms
(/ 1 (/ (/ (- z a) (- z t)) y))
113.0ms
(/ (/ (- z a) (- z t)) y)

simplify2.5s

Counts
636 → 636
Iterations

Useful iterations: 2 (1.5s)

IterNodesCost
072514217
1174812572
2385111292
done500011292

prune1.2s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes337.0ms

Accuracy

58.3% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.3b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01957
12547
done2547

end0.0ms

sample1.2s

Algorithm
intervals
Results
557.0ms8722×body80valid
0.0msbody320valid