Details

Time bar (total: 18.3s)

sample25.0ms

Algorithm
intervals
Results
6.0ms228×body80valid
1.0ms14×body640valid
1.0msbody1280valid
1.0ms14×body320valid
0.0msbody160valid
0.0msbody2560valid

simplify6.1s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12213
25213
310713
418613
538013
652913
766813
882013
996913
10122213
11153113
12227913
13356413
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.3b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- z t) y)
2.5b
(- (+ x y) (/ (* (- z t) y) (- a t)))
12.2b
(/ (* (- z t) y) (- a t))

rewrite96.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
17×add-sqr-sqrt
10×add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
pow1 times-frac associate-*l* associate-/r* distribute-lft-out--
flip3-- associate-*l/ flip-- difference-of-squares
associate-*r*
cbrt-undiv diff-log div-exp prod-exp associate-/r/ frac-sub cbrt-unprod associate-/l/
sub-neg frac-2neg flip3-+ pow-prod-down associate--l+ clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 70
Calls
3 calls:
20.0ms
(* (- z t) y)
50.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
23.0ms
(/ (* (- z t) y) (- a t))

series217.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(* (- z t) y)
120.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
64.0ms
(/ (* (- z t) y) (- a t))

simplify795.0ms

Counts
79 → 79
Iterations

Useful iterations: 2 (178.0ms)

IterNodesCost
01501010
1382951
21543873
done5000873

prune174.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.9b

localize13.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(* (cbrt (- a t)) (cbrt (- a t)))
2.5b
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
8.6b
(- (+ x y) (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t)))))

rewrite193.0ms

Algorithm
rewrite-expression-head
Rules
72×add-sqr-sqrt
54×*-un-lft-identity
50×cbrt-prod
38×associate-*r*
36×times-frac
30×add-cube-cbrt
28×cbrt-div
27×add-exp-log
25×associate-*l*
18×add-cbrt-cube
15×flip3-- flip--
13×pow1
11×frac-times distribute-lft-out--
10×swap-sqr associate-/r/ unswap-sqr
prod-exp cbrt-unprod add-log-exp difference-of-squares
cbrt-undiv pow1/3 associate-*r/ div-exp associate-*l/
frac-sub
flip3-+ pow-prod-down flip-+
diff-log pow-sqr *-commutative pow-prod-up div-inv
pow2 sub-neg pow-plus associate--l+ sum-log
Counts
4 → 168
Calls
4 calls:
4.0ms
(cbrt (- a t))
36.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
106.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
37.0ms
(- (+ x y) (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t)))))

series491.0ms

Counts
4 → 12
Calls
4 calls:
146.0ms
(cbrt (- a t))
122.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
100.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
123.0ms
(- (+ x y) (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t)))))

simplify1.3s

Counts
180 → 180
Iterations

Useful iterations: done (1.3s)

IterNodesCost
03263837
18643584
234453004
done50002813

prune504.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.8b

localize21.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))))
9.4b
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt y) (cbrt (cbrt (- a t))))))

rewrite366.0ms

Algorithm
rewrite-expression-head
Rules
40×add-exp-log
32×cbrt-div
22×add-sqr-sqrt add-cbrt-cube
19×frac-times
17×associate-*l*
16×times-frac associate-*r* associate-/r/
15×associate-*l/ prod-exp cbrt-unprod
14×frac-sub
13×flip3-- flip--
12×cbrt-undiv *-un-lft-identity div-exp
11×associate-*r/
10×add-cube-cbrt
cbrt-prod add-log-exp
flip3-+ flip-+
pow1 unswap-sqr
pow1/3 diff-log div-inv
sub-neg pow-prod-down associate--l+ sum-log *-commutative distribute-lft-out-- difference-of-squares
Counts
4 → 119
Calls
4 calls:
1.0ms
(cbrt y)
1.0ms
(cbrt y)
321.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))))
38.0ms
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt y) (cbrt (cbrt (- a t))))))

series815.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(cbrt y)
185.0ms
(cbrt y)
292.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))))
167.0ms
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt y) (cbrt (cbrt (- a t))))))

simplify1.6s

Counts
131 → 131
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03384899
19644760
239094003
done50013866

prune584.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.8b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (* (cbrt (- a t)) (cbrt (- a t))))
0.6b
(cbrt (cbrt (- a t)))
2.5b
(* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t))))
8.4b
(- (+ x y) (* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t)))))

rewrite444.0ms

Algorithm
rewrite-expression-head
Rules
368×cbrt-div
143×frac-times
117×flip3-- flip--
89×associate-*l*
82×associate-/r/
55×associate-*l/
49×associate-*r/
41×add-sqr-sqrt
36×add-exp-log
33×*-un-lft-identity
31×times-frac
30×cbrt-prod associate-*r*
24×add-cbrt-cube
23×add-cube-cbrt
14×prod-exp cbrt-unprod
10×cbrt-undiv div-exp
add-log-exp
pow1 frac-sub
distribute-lft-out-- difference-of-squares
flip3-+ flip-+ unswap-sqr
pow1/3 diff-log div-inv
sub-neg pow-prod-down associate--l+ sum-log *-commutative
Counts
4 → 205
Calls
4 calls:
13.0ms
(cbrt (* (cbrt (- a t)) (cbrt (- a t))))
4.0ms
(cbrt (cbrt (- a t)))
370.0ms
(* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t))))
34.0ms
(- (+ x y) (* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t)))))

series508.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(cbrt (* (cbrt (- a t)) (cbrt (- a t))))
152.0ms
(cbrt (cbrt (- a t)))
103.0ms
(* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t))))
124.0ms
(- (+ x y) (* (/ (- z t) (* (* (cbrt (- a t)) (cbrt (* (cbrt (- a t)) (cbrt (- a t))))) (cbrt (cbrt (- a t))))) (/ y (cbrt (- a t)))))

simplify1.7s

Counts
217 → 217
Iterations

Useful iterations: done (1.7s)

IterNodesCost
04477252
112616831
244356381
done50026217

prune1.1s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.8b

regimes328.0ms

Accuracy

9.9% (6.2b remaining)

Error of 10.2b against oracle of 4.0b and baseline of 10.9b

bsearch100.0ms

Steps
ItersRangePoint
10
3.5203588644576918e-146
5.218300859785189e-131
9.681339001705814e-139
7
-7.445094056825134
-0.1692380679741423
-0.17192721297922683

simplify5.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
037153
146153
done46153

end0.0ms

sample695.0ms

Algorithm
intervals
Results
225.0ms7352×body80valid
46.0ms447×body640valid
33.0ms246×body1280valid
30.0ms376×body320valid
14.0ms266×body160valid
3.0ms17×body2560valid