Details

Time bar (total: 18.1s)

sample38.0ms

Algorithm
intervals
Results
16.0ms284×body80valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
11811
23311
35811
410511
516711
622511
730811
848011
986411
10252411
done500111

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.3b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(* y (- z t))
12.4b
(/ (* y (- z t)) (- z a))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
14×add-sqr-sqrt
12×*-un-lft-identity
add-exp-log add-cbrt-cube
add-cube-cbrt
times-frac associate-*r* associate-/r*
pow1 associate-*r/
flip3-- associate-*l* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/ add-log-exp
frac-2neg pow-prod-down clear-num *-commutative div-inv associate-/l* unswap-sqr
Counts
2 → 55
Calls
2 calls:
26.0ms
(* y (- z t))
39.0ms
(/ (* y (- z t)) (- z a))

series138.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(* y (- z t))
89.0ms
(/ (* y (- z t)) (- z a))

simplify823.0ms

Counts
61 → 61
Iterations

Useful iterations: done (821.0ms)

IterNodesCost
0105599
1283575
21117509
done5000501

prune158.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
2.2b
(* y (/ (- z t) (- z a)))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
34.0ms
(/ (- z t) (- z a))
81.0ms
(* y (/ (- z t) (- z a)))

series174.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- z t) (- z a))
118.0ms
(* y (/ (- z t) (- z a)))

simplify936.0ms

Counts
108 → 108
Iterations

Useful iterations: 2 (313.0ms)

IterNodesCost
01381319
13761259
215191169
done50011169

prune417.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
1.0b
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
1.5b
(* (cbrt y) (/ (- z t) (- z a)))

rewrite250.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
39×*-un-lft-identity
32×associate-*r*
30×add-exp-log
27×times-frac
19×add-cube-cbrt
18×pow1 add-cbrt-cube
15×prod-exp cbrt-unprod
11×cbrt-prod
10×distribute-lft-out-- difference-of-squares
pow-prod-down
associate-*l*
add-log-exp unswap-sqr
cbrt-undiv associate-*r/ div-exp
pow1/3 associate-/r/ *-commutative
flip3-- flip-- div-inv
Counts
4 → 104
Calls
4 calls:
2.0ms
(cbrt y)
2.0ms
(cbrt y)
138.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
100.0ms
(* (cbrt y) (/ (- z t) (- z a)))

series967.0ms

Counts
4 → 12
Calls
4 calls:
245.0ms
(cbrt y)
290.0ms
(cbrt y)
147.0ms
(* (* (cbrt y) (cbrt y)) (* (cbrt y) (/ (- z t) (- z a))))
285.0ms
(* (cbrt y) (/ (- z t) (- z a)))

simplify2.6s

Counts
116 → 116
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01491484
14171428
226571110
done50011011

prune379.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- z t))
0.1b
(/ (sqrt (- z t)) (- z a))
0.1b
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
1.0b
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

rewrite234.0ms

Algorithm
rewrite-expression-head
Rules
125×add-sqr-sqrt
108×*-un-lft-identity
84×times-frac
70×sqrt-prod
48×add-cube-cbrt
47×associate-*r*
30×distribute-lft-out-- difference-of-squares
20×add-exp-log add-cbrt-cube
12×pow1 sqrt-div
11×associate-*l*
flip3-- flip-- associate-/l*
associate-*r/ prod-exp cbrt-unprod
unswap-sqr
associate-/r*
frac-times pow-prod-down associate-*l/ associate-/r/ add-log-exp
cbrt-undiv div-exp
*-commutative div-inv associate-/l/
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num
Counts
4 → 189
Calls
4 calls:
8.0ms
(sqrt (- z t))
24.0ms
(/ (sqrt (- z t)) (- z a))
88.0ms
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
105.0ms
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

series462.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(sqrt (- z t))
216.0ms
(/ (sqrt (- z t)) (- z a))
68.0ms
(* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a)))
87.0ms
(* y (* (sqrt (- z t)) (/ (sqrt (- z t)) (- z a))))

simplify5.8s

Counts
201 → 201
Iterations

Useful iterations: done (5.8s)

IterNodesCost
02233169
15472920
243432470
done50012468

prune612.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes236.0ms

Accuracy

74.1% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.4b

bsearch2.0ms

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01957
12647
done2647

end0.0ms

sample1.5s

Algorithm
intervals
Results
555.0ms8731×body80valid