Details

Time bar (total: 11.8s)

sample21.0ms

Algorithm
intervals
Results
9.0ms339×body80valid

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
089
1149
2249
3529
4839
51079
61299
71529
81939
92599
103459
113829
124339
134689
145049
155949
168269
1711159
1816689
1921609
2022199
done22199

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 2.2b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* (- y x) (/ z t)))
5.2b
(* (- y x) (/ z t))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×associate-*r*
12×*-un-lft-identity
10×add-cube-cbrt times-frac
add-exp-log add-cbrt-cube
associate-*l*
pow1 add-log-exp
frac-times flip3-- associate-*l/ prod-exp flip-- cbrt-unprod unswap-sqr
cbrt-undiv +-commutative flip3-+ associate-*r/ div-exp pow-prod-down sum-log *-commutative flip-+ div-inv distribute-lft-out-- difference-of-squares
Counts
2 → 49
Calls
2 calls:
2.0ms
(+ x (* (- y x) (/ z t)))
16.0ms
(* (- y x) (/ z t))

series83.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(+ x (* (- y x) (/ z t)))
43.0ms
(* (- y x) (/ z t))

simplify2.5s

Counts
55 → 55
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
0115669
1297627
21058581
34937557
done5000557

prune129.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- y x))
0.5b
(cbrt (- y x))
2.5b
(* (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt (- y x)) (/ z t)))
2.9b
(* (cbrt (- y x)) (/ z t))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
116×cbrt-div
84×frac-times
58×flip3-- flip--
40×associate-*l/
31×add-sqr-sqrt
30×add-exp-log
27×associate-*r/
21×*-un-lft-identity
18×pow1 add-cbrt-cube
17×cbrt-prod
15×add-cube-cbrt prod-exp cbrt-unprod
14×associate-*r*
11×times-frac
associate-*l* pow-prod-down
add-log-exp unswap-sqr
cbrt-undiv div-exp distribute-lft-out-- difference-of-squares
pow1/3 *-commutative
div-inv
Counts
4 → 152
Calls
4 calls:
2.0ms
(cbrt (- y x))
4.0ms
(cbrt (- y x))
49.0ms
(* (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt (- y x)) (/ z t)))
17.0ms
(* (cbrt (- y x)) (/ z t))

series538.0ms

Counts
4 → 12
Calls
4 calls:
152.0ms
(cbrt (- y x))
148.0ms
(cbrt (- y x))
43.0ms
(* (* (cbrt (- y x)) (cbrt (- y x))) (* (cbrt (- y x)) (/ z t)))
195.0ms
(* (cbrt (- y x)) (/ z t))

simplify922.0ms

Counts
164 → 164
Iterations

Useful iterations: 2 (354.0ms)

IterNodesCost
02763800
17593651
220513249
done50013249

prune445.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ t (- y x))
0.0b
(+ x (/ z (/ t (- y x))))
3.7b
(/ z (/ t (- y x)))

rewrite57.0ms

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:
5.0ms
(/ t (- y x))
31.0ms
(+ x (/ z (/ t (- y x))))
10.0ms
(/ z (/ t (- y x)))

series121.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(/ t (- y x))
40.0ms
(+ x (/ z (/ t (- y x))))
52.0ms
(/ z (/ t (- y x)))

simplify785.0ms

Counts
160 → 160
Iterations

Useful iterations: 2 (199.0ms)

IterNodesCost
02422291
15412136
217892056
done50012056

prune382.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ t (- y x))
0.0b
(+ x (* z (/ 1 (/ t (- y x)))))
0.3b
(/ 1 (/ t (- y x)))
3.8b
(* z (/ 1 (/ t (- y x))))

rewrite73.0ms

Algorithm
rewrite-expression-head
Rules
252×times-frac
186×add-sqr-sqrt
174×*-un-lft-identity
122×add-cube-cbrt
68×associate-*r*
36×add-exp-log
26×associate-/r*
25×distribute-lft-out-- difference-of-squares
20×add-cbrt-cube
18×associate-/r/
15×div-exp
10×div-inv
flip3-- flip--
pow1 cbrt-undiv prod-exp
associate-/l* add-log-exp
unswap-sqr
rec-exp 1-exp
associate-*l* cbrt-unprod
frac-2neg clear-num
+-commutative pow-flip flip3-+ associate-*r/ pow-prod-down sum-log un-div-inv *-commutative flip-+ inv-pow
Counts
4 → 253
Calls
4 calls:
5.0ms
(/ t (- y x))
2.0ms
(+ x (* z (/ 1 (/ t (- y x)))))
11.0ms
(/ 1 (/ t (- y x)))
40.0ms
(* z (/ 1 (/ t (- y x))))

series160.0ms

Counts
4 → 12
Calls
4 calls:
33.0ms
(/ t (- y x))
36.0ms
(+ x (* z (/ 1 (/ t (- y x)))))
32.0ms
(/ 1 (/ t (- y x)))
58.0ms
(* z (/ 1 (/ t (- y x))))

simplify1.1s

Counts
265 → 265
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03173658
17702890
215572601
done50002525

prune475.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes195.0ms

Accuracy

-0.5% (2.2b remaining)

Error of 2.2b against oracle of 0.0b and baseline of 2.2b

bsearch35.0ms

Steps
ItersRangePoint
9
-4.094505639709548e-92
-5.935344559987833e-100
-4.0164937919145246e-92

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01422
11722
done1722

end0.0ms

sample563.0ms

Algorithm
intervals
Results
285.0ms10619×body80valid