Details

Time bar (total: 10.5s)

sample21.0ms

Algorithm
intervals
Results
10.0ms264×body80valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01317
12317
23517
36017
410117
518217
635817
772017
8209217
done500017

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 4.8b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ (- (* y z) x) (- (* t z) x)))
0.0b
(- (* t z) x)
0.0b
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
7.8b
(/ (- (* y z) x) (- (* t z) x))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
44×*-un-lft-identity
25×times-frac
22×add-sqr-sqrt add-cube-cbrt
11×distribute-lft-out
add-exp-log add-cbrt-cube add-log-exp
associate-/r* associate-/l*
pow1 div-sub associate-/r/ associate-/l/
flip3-- flip3-+ flip-- flip-+
cbrt-undiv associate-+r- frac-2neg div-exp clear-num div-inv
+-commutative sub-neg diff-log sum-log
Counts
4 → 98
Calls
4 calls:
16.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
3.0ms
(- (* t z) x)
57.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
11.0ms
(/ (- (* y z) x) (- (* t z) x))

series265.0ms

Counts
4 → 12
Calls
4 calls:
77.0ms
(+ x (/ (- (* y z) x) (- (* t z) x)))
23.0ms
(- (* t z) x)
113.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
52.0ms
(/ (- (* y z) x) (- (* t z) x))

simplify1.6s

Counts
110 → 110
Iterations

Useful iterations: done (1.6s)

IterNodesCost
01572130
13982046
211081920
333311916
done50001913

prune278.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ x (- (* y (/ z (- (* t z) x))) (/ x (- (* t z) x)))) (+ x 1.0))
2.0b
(* y (/ z (- (* t z) x)))
2.2b
(/ x (- (* t z) x))
6.5b
(/ z (- (* t z) x))

rewrite142.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
44×times-frac
43×add-sqr-sqrt
38×add-cube-cbrt
15×add-exp-log associate-*r* add-cbrt-cube
10×associate-/r* distribute-lft-out associate-/l*
associate-/r/
pow1
cbrt-undiv div-exp div-inv add-log-exp
flip3-- frac-2neg associate-*l* clear-num flip--
flip3-+ prod-exp cbrt-unprod flip-+ associate-/l/ unswap-sqr
associate-+r- div-sub associate-*r/ pow-prod-down *-commutative
Counts
4 → 133
Calls
4 calls:
112.0ms
(/ (+ x (- (* y (/ z (- (* t z) x))) (/ x (- (* t z) x)))) (+ x 1.0))
15.0ms
(* y (/ z (- (* t z) x)))
5.0ms
(/ x (- (* t z) x))
5.0ms
(/ z (- (* t z) x))

series231.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(/ (+ x (- (* y (/ z (- (* t z) x))) (/ x (- (* t z) x)))) (+ x 1.0))
33.0ms
(* y (/ z (- (* t z) x)))
55.0ms
(/ x (- (* t z) x))
31.0ms
(/ z (- (* t z) x))

simplify1.5s

Counts
145 → 145
Iterations

Useful iterations: done (1.5s)

IterNodesCost
02052667
14752589
213032389
339462389
done50002386

prune379.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))
0.0b
(/ (+ x (- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))) (+ x 1.0))
2.2b
(/ x (- (* t z) x))
8.9b
(/ (* y z) (- (* t z) x))

rewrite366.0ms

Algorithm
rewrite-expression-head
Rules
64×*-un-lft-identity
33×times-frac
30×add-sqr-sqrt
25×add-cube-cbrt
16×distribute-lft-out
13×add-exp-log add-cbrt-cube
10×associate-/r* associate-/r/
associate-/l*
distribute-lft-out-- add-log-exp
flip3-- flip-- div-inv
pow1 cbrt-undiv div-exp
distribute-rgt-out-- frac-2neg clear-num
flip3-+ flip-+ associate-/l/ difference-of-squares
associate-+r- sub-neg diff-log div-sub prod-exp frac-sub cbrt-unprod sub-div
Counts
4 → 118
Calls
4 calls:
42.0ms
(- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))
307.0ms
(/ (+ x (- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))) (+ x 1.0))
5.0ms
(/ x (- (* t z) x))
7.0ms
(/ (* y z) (- (* t z) x))

series275.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))
119.0ms
(/ (+ x (- (/ (* y z) (- (* t z) x)) (/ x (- (* t z) x)))) (+ x 1.0))
60.0ms
(/ x (- (* t z) x))
33.0ms
(/ (* y z) (- (* t z) x))

simplify915.0ms

Counts
130 → 130
Iterations

Useful iterations: done (911.0ms)

IterNodesCost
01972845
14762741
214402561
done50002559

prune331.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

4.8b
(/ (- (* y z) x) (* (cbrt (- (* t z) x)) (cbrt (- (* t z) x))))
7.0b
(cbrt (- (* t z) x))
7.0b
(cbrt (- (* t z) x))
7.0b
(cbrt (- (* t z) x))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
10×flip3-- flip--
add-exp-log cbrt-prod add-sqr-sqrt add-cube-cbrt *-un-lft-identity
associate-/r/
add-cbrt-cube
pow1 frac-times add-log-exp
times-frac pow1/3 associate-/l*
cbrt-undiv associate-*r/ div-exp associate-*l/ associate-/l/
frac-2neg div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 71
Calls
4 calls:
16.0ms
(/ (- (* y z) x) (* (cbrt (- (* t z) x)) (cbrt (- (* t z) x))))
2.0ms
(cbrt (- (* t z) x))
3.0ms
(cbrt (- (* t z) x))
3.0ms
(cbrt (- (* t z) x))

series527.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(/ (- (* y z) x) (* (cbrt (- (* t z) x)) (cbrt (- (* t z) x))))
117.0ms
(cbrt (- (* t z) x))
124.0ms
(cbrt (- (* t z) x))
117.0ms
(cbrt (- (* t z) x))

simplify1.2s

Counts
83 → 83
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01621610
14481557
212051404
332861341
done50001340

prune305.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes147.0ms

Accuracy

64.1% (2.4b remaining)

Error of 2.7b against oracle of 0.4b and baseline of 6.9b

bsearch91.0ms

Steps
ItersRangePoint
8
4.510729601581707e+78
2.056649101282429e+83
1.270025644444061e+82
6
-2.817955795644209e+61
-2.4466208364066324e+60
-2.746176374232872e+61

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
028137
13689
done3689

end0.0ms

sample551.0ms

Algorithm
intervals
Results
331.0ms8315×body80valid