Details

Time bar (total: 8.7s)

sample27.0ms

Algorithm
intervals
Results
13.0ms339×body80valid

simplify449.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
099
1159
2269
3459
4759
51069
61219
71379
81719
92379
103239
113649
124379
134569
done4569

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.6b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(* y (- z t))
0.0b
(+ x (/ (* y (- z t)) a))
4.9b
(/ (* y (- z t)) a)

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 associate-*r* add-log-exp
associate-*r/
times-frac associate-*l* associate-/r*
cbrt-undiv distribute-rgt-in sub-neg flip3-- distribute-lft-in div-exp prod-exp flip-- cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 61
Calls
3 calls:
10.0ms
(* y (- z t))
4.0ms
(+ x (/ (* y (- z t)) a))
6.0ms
(/ (* y (- z t)) a)

series140.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(* y (- z t))
48.0ms
(+ x (/ (* y (- z t)) a))
52.0ms
(/ (* y (- z t)) a)

simplify1.6s

Counts
70 → 70
Iterations

Useful iterations: done (1.6s)

IterNodesCost
0116722
1297679
2868589
33962589
done5001588

prune150.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
0.6b
(* (cbrt a) (cbrt a))
5.9b
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
45×*-un-lft-identity
40×times-frac associate-*r*
39×cbrt-prod
33×add-cube-cbrt
27×add-exp-log
18×add-cbrt-cube
13×pow1 associate-*l*
10×unswap-sqr
prod-exp cbrt-unprod
pow1/3
cbrt-undiv div-exp
swap-sqr distribute-lft-out-- difference-of-squares
add-log-exp
pow-prod-down
pow-sqr *-commutative pow-prod-up div-inv
pow2 frac-times pow-plus associate-*r/ associate-*l/
Counts
4 → 133
Calls
4 calls:
0.0ms
(cbrt a)
0.0ms
(cbrt a)
6.0ms
(* (cbrt a) (cbrt a))
35.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

series655.0ms

Counts
4 → 12
Calls
4 calls:
187.0ms
(cbrt a)
177.0ms
(cbrt a)
198.0ms
(* (cbrt a) (cbrt a))
92.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

simplify831.0ms

Counts
145 → 145
Iterations

Useful iterations: done (827.0ms)

IterNodesCost
01931841
15431516
224851330
done50001322

prune398.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ y (/ a (- z t))))
0.0b
(/ a (- z t))
5.4b
(/ y (/ a (- z t)))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
105×*-un-lft-identity
103×add-sqr-sqrt
71×add-cube-cbrt
26×associate-/r*
16×distribute-lft-out-- difference-of-squares
11×associate-/r/
10×add-exp-log add-cbrt-cube
div-inv associate-/l*
flip3-- flip-- add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num
+-commutative flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 151
Calls
3 calls:
30.0ms
(+ x (/ y (/ a (- z t))))
6.0ms
(/ a (- z t))
10.0ms
(/ y (/ a (- z t)))

series136.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(+ x (/ y (/ a (- z t))))
28.0ms
(/ a (- z t))
57.0ms
(/ y (/ a (- z t)))

simplify646.0ms

Counts
160 → 160
Iterations

Useful iterations: 2 (191.0ms)

IterNodesCost
02452291
15482136
218032056
done50002056

prune397.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (/ y a) (- z t)))
8.1b
(* (/ y a) (- z t))

rewrite24.0ms

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:
3.0ms
(+ x (* (/ y a) (- z t)))
19.0ms
(* (/ y a) (- z t))

series103.0ms

Counts
2 → 6
Calls
2 calls:
51.0ms
(+ x (* (/ y a) (- z t)))
52.0ms
(* (/ y a) (- z t))

simplify1.9s

Counts
63 → 63
Iterations

Useful iterations: 2 (124.0ms)

IterNodesCost
0123723
1322691
21057619
34238619
done5000619

prune131.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes318.0ms

Accuracy

64.2% (1.2b remaining)

Error of 1.2b against oracle of 0.0b and baseline of 3.3b

bsearch64.0ms

Steps
ItersRangePoint
8
3.713066983026811e+65
6.642013340869958e+68
3.7574005919343346e+65
6
-2.6747694130275977e+104
-4.940402320025422e+103
-1.3995028580527438e+104

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02135
12635
done2635

end0.0ms

sample598.0ms

Algorithm
intervals
Results
288.0ms10663×body80valid