Details

Time bar (total: 13.5s)

sample26.0ms

Algorithm
intervals
Results
8.0ms235×body80valid
2.0ms10×body1280valid
1.0ms12×body640valid
1.0ms14×body320valid
1.0ms14×body160valid

simplify4.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12213
25113
310113
419113
534313
650613
765913
879113
9102313
10140013
11227213
12330313
13418813
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.5b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- z t) y)
2.9b
(- (+ x y) (/ (* (- z t) y) (- a t)))
9.6b
(/ (* (- z t) y) (- a t))

rewrite51.0ms

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:
10.0ms
(* (- z t) y)
28.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
10.0ms
(/ (* (- z t) y) (- a t))

series207.0ms

Counts
3 → 9
Calls
3 calls:
31.0ms
(* (- z t) y)
112.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
64.0ms
(/ (* (- z t) y) (- a t))

simplify843.0ms

Counts
79 → 79
Iterations

Useful iterations: 2 (157.0ms)

IterNodesCost
01501010
1383951
21483873
done5001873

prune217.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(* (cbrt (- a t)) (cbrt (- a t)))
1.8b
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
8.1b
(- (+ x y) (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t)))))

rewrite125.0ms

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:
2.0ms
(cbrt (- a t))
22.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
70.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
22.0ms
(- (+ x y) (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t)))))

series495.0ms

Counts
4 → 12
Calls
4 calls:
151.0ms
(cbrt (- a t))
126.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
102.0ms
(* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ y (cbrt (- a t))))
116.0ms
(- (+ 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
18843584
235583004
done50002988

prune598.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
8.6b
(- (+ 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))))))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
14×frac-sub
10×frac-times associate-*l/
cbrt-prod add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity flip3-+ flip-+
associate-*r/
pow1 add-exp-log add-cbrt-cube
pow1/3
diff-log
sub-neg flip3-- associate--l+ sum-log flip--
Counts
4 → 61
Calls
4 calls:
0.0ms
(cbrt y)
0.0ms
(cbrt y)
0.0ms
(cbrt y)
22.0ms
(- (+ 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))))))

series716.0ms

Counts
4 → 12
Calls
4 calls:
184.0ms
(cbrt y)
188.0ms
(cbrt y)
178.0ms
(cbrt y)
166.0ms
(- (+ 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))))))

simplify778.0ms

Counts
73 → 73
Iterations

Useful iterations: 2 (144.0ms)

IterNodesCost
01512256
14202173
216871937
done50001937

prune382.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.1b

localize25.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.8b
(pow (cbrt y) 3)
8.6b
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt (pow (cbrt y) 3)) (cbrt (cbrt (- a t))))))

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
14×frac-sub
12×cbrt-prod
11×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
10×frac-times associate-*l/
add-log-exp
flip3-+ flip-+
unpow-prod-down cube-prod associate-*r/
pow1 add-exp-log
add-cbrt-cube
pow-unpow pow1/3
pow-pow diff-log
cube-mult pow-to-exp sub-neg flip3-- unpow3 pow-exp associate--l+ sum-log flip-- rem-cube-cbrt sqr-pow
Counts
4 → 80
Calls
4 calls:
0.0ms
(cbrt y)
0.0ms
(cbrt y)
2.0ms
(pow (cbrt y) 3)
24.0ms
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt (pow (cbrt y) 3)) (cbrt (cbrt (- a t))))))

series737.0ms

Counts
4 → 12
Calls
4 calls:
175.0ms
(cbrt y)
178.0ms
(cbrt y)
216.0ms
(pow (cbrt y) 3)
167.0ms
(- (+ x y) (* (* (/ (- z t) (* (cbrt (- a t)) (cbrt (- a t)))) (/ (* (cbrt y) (cbrt y)) (cbrt (* (cbrt (- a t)) (cbrt (- a t)))))) (/ (cbrt (pow (cbrt y) 3)) (cbrt (cbrt (- a t))))))

simplify728.0ms

Counts
92 → 92
Iterations

Useful iterations: 2 (208.0ms)

IterNodesCost
01782531
14992166
221171881
done50001881

prune317.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 4.1b

regimes412.0ms

Accuracy

40.7% (4.5b remaining)

Error of 8.2b against oracle of 3.8b and baseline of 11.3b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
038109
145109
done45109

end0.0ms

sample678.0ms

Algorithm
intervals
Results
249.0ms7365×body80valid
57.0ms460×body640valid
43.0ms287×body1280valid
35.0ms383×body320valid
16.0ms223×body160valid
4.0ms21×body2560valid