Details

Time bar (total: 14.3s)

sample38.0ms

Algorithm
intervals
Results
11.0ms254×body80valid
2.0ms14×body640valid
2.0msbody1280valid
1.0ms15×body160valid
1.0msbody320valid

simplify2.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12013
24513
311113
429213
586413
6337313
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.7b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.7b
(+ x (/ (* (- y x) (- z t)) (- a t)))
16.3b
(/ (* (- y x) (- z t)) (- a t))

rewrite135.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
53.0ms
(* (- y x) (- z t))
21.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
58.0ms
(/ (* (- y x) (- z t)) (- a t))

series499.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(* (- y x) (- z t))
288.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
159.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify2.0s

Counts
90 → 90
Iterations

Useful iterations: 2 (354.0ms)

IterNodesCost
01621284
14801213
226621111
done50001111

prune423.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.8b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.2b
(/ (- y x) (/ (- a t) (- z t)))
3.7b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite278.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-exp-log add-cbrt-cube associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
35.0ms
(/ (- a t) (- z t))
54.0ms
(/ (- y x) (/ (- a t) (- z t)))
166.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series577.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(/ (- a t) (- z t))
306.0ms
(/ (- y x) (/ (- a t) (- z t)))
196.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify521.0ms

Counts
283 → 283
Iterations

Useful iterations: done (509.0ms)

IterNodesCost
03545984
111525679
done50015493

prune837.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.7b

localize35.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- z t))
0.6b
(cbrt (- z t))
0.6b
(cbrt (- z t))
3.7b
(+ x (* (/ (* (cbrt (- z t)) (cbrt (- z t))) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (/ (cbrt (- a t)) (cbrt (- z t))))))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-exp-log add-cbrt-cube
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
+-commutative flip3-+ sum-log flip-+
Counts
4 → 56
Calls
4 calls:
4.0ms
(cbrt (- z t))
4.0ms
(cbrt (- z t))
4.0ms
(cbrt (- z t))
7.0ms
(+ x (* (/ (* (cbrt (- z t)) (cbrt (- z t))) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (/ (cbrt (- a t)) (cbrt (- z t))))))

series877.0ms

Counts
4 → 12
Calls
4 calls:
206.0ms
(cbrt (- z t))
184.0ms
(cbrt (- z t))
218.0ms
(cbrt (- z t))
269.0ms
(+ x (* (/ (* (cbrt (- z t)) (cbrt (- z t))) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (- y x) (/ (cbrt (- a t)) (cbrt (- z t))))))

simplify870.0ms

Counts
68 → 68
Iterations

Useful iterations: done (867.0ms)

IterNodesCost
01081234
12651187
28771093
done5000890

prune418.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.7b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.9b
(* (- y x) (/ (- z t) (- a t)))
3.7b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
40.0ms
(/ (- z t) (- a t))
77.0ms
(* (- y x) (/ (- z t) (- a t)))
11.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series531.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(/ (- z t) (- a t))
181.0ms
(* (- y x) (/ (- z t) (- a t)))
281.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.8s

Counts
128 → 128
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01831813
15041716
226281612
done50001606

prune417.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.7b

regimes359.0ms

Accuracy

1% (7.6b remaining)

Error of 11.4b against oracle of 3.8b and baseline of 11.5b

bsearch34.0ms

Steps
ItersRangePoint
5
2.0029258804612433e+198
6.8967761933267e+198
6.764694878676553e+198

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02040
12240
done2240

end0.0ms

sample1.4s

Algorithm
intervals
Results
622.0ms7734×body80valid
125.0ms264×body1280valid
86.0ms479×body640valid
55.0ms411×body320valid
25.0ms271×body160valid
5.0ms17×body2560valid