Details

Time bar (total: 14.8s)

sample47.0ms

Algorithm
intervals
Results
17.0ms281×body80valid

simplify1.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01011
12011
23411
35511
49511
515711
624611
728211
835311
949611
1081811
11230411
done500011

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.9b

localize24.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.4b
(* y (/ (- z t) (- a t)))

rewrite134.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*r*
26×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 associate-/r/
flip3-- associate-*l* flip--
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub associate-*r/ pow-prod-down clear-num *-commutative
Counts
2 → 102
Calls
2 calls:
41.0ms
(/ (- z t) (- a t))
88.0ms
(* y (/ (- z t) (- a t)))

series167.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ (- z t) (- a t))
100.0ms
(* y (/ (- z t) (- a t)))

simplify686.0ms

Counts
108 → 108
Iterations

Useful iterations: 2 (219.0ms)

IterNodesCost
01381319
13741259
215211169
done50001169

prune436.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize20.0ms

Local error

Found 4 expressions with local error:

2.4b
(* y (* (* (cbrt (/ (- z t) (- a t))) (cbrt (/ (- z t) (- a t)))) (cbrt (/ (- z t) (- a t)))))
4.1b
(cbrt (/ (- z t) (- a t)))
4.1b
(cbrt (/ (- z t) (- a t)))
4.1b
(cbrt (/ (- z t) (- a t)))

rewrite372.0ms

Algorithm
rewrite-expression-head
Rules
98×add-sqr-sqrt *-un-lft-identity
93×cbrt-prod
75×times-frac
38×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
15×cbrt-div
13×pow1 add-exp-log
10×associate-*r/
add-cbrt-cube
pow-prod-down prod-exp associate-/r/ cbrt-unprod
frac-times associate-*l/
add-log-exp
flip3-- pow1/3 associate-*l* flip-- div-inv
associate-*r* *-commutative
Counts
4 → 148
Calls
4 calls:
331.0ms
(* y (* (* (cbrt (/ (- z t) (- a t))) (cbrt (/ (- z t) (- a t)))) (cbrt (/ (- z t) (- a t)))))
9.0ms
(cbrt (/ (- z t) (- a t)))
15.0ms
(cbrt (/ (- z t) (- a t)))
9.0ms
(cbrt (/ (- z t) (- a t)))

series1.3s

Counts
4 → 12
Calls
4 calls:
103.0ms
(* y (* (* (cbrt (/ (- z t) (- a t))) (cbrt (/ (- z t) (- a t)))) (cbrt (/ (- z t) (- a t)))))
398.0ms
(cbrt (/ (- z t) (- a t)))
452.0ms
(cbrt (/ (- z t) (- a t)))
388.0ms
(cbrt (/ (- z t) (- a t)))

simplify1.1s

Counts
160 → 160
Iterations

Useful iterations: done (1.1s)

IterNodesCost
02083221
14443108
211232611
done50002508

prune894.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize55.0ms

Local error

Found 4 expressions with local error:

2.4b
(* y (/ (- z t) (- a t)))
5.0b
(cbrt (* y (/ (- z t) (- a t))))
5.0b
(cbrt (* y (/ (- z t) (- a t))))
5.0b
(cbrt (* y (/ (- z t) (- a t))))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×associate-*r*
26×times-frac
16×add-cube-cbrt
10×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
pow1
associate-*r/ add-log-exp
cbrt-prod cbrt-div pow1/3 associate-*l*
prod-exp associate-/r/ cbrt-unprod unswap-sqr
cbrt-undiv flip3-- div-exp pow-prod-down *-commutative flip-- div-inv
Counts
4 → 80
Calls
4 calls:
52.0ms
(* y (/ (- z t) (- a t)))
25.0ms
(cbrt (* y (/ (- z t) (- a t))))
24.0ms
(cbrt (* y (/ (- z t) (- a t))))
24.0ms
(cbrt (* y (/ (- z t) (- a t))))

series1.1s

Counts
4 → 12
Calls
4 calls:
80.0ms
(* y (/ (- z t) (- a t)))
304.0ms
(cbrt (* y (/ (- z t) (- a t))))
317.0ms
(cbrt (* y (/ (- z t) (- a t))))
348.0ms
(cbrt (* y (/ (- z t) (- a t))))

simplify719.0ms

Counts
92 → 92
Iterations

Useful iterations: done (716.0ms)

IterNodesCost
01431172
13561130
21321999
done5000974

prune616.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize50.0ms

Local error

Found 4 expressions with local error:

5.0b
(cbrt (* y (/ (- z t) (- a t))))
5.0b
(cbrt (* y (/ (- z t) (- a t))))
5.0b
(cbrt (* y (/ (- z t) (- a t))))
5.0b
(cbrt (* y (/ (- z t) (- a t))))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log cbrt-prod add-sqr-sqrt add-cube-cbrt cbrt-div *-un-lft-identity pow1/3 associate-*r/ add-cbrt-cube add-log-exp
Counts
4 → 40
Calls
4 calls:
13.0ms
(cbrt (* y (/ (- z t) (- a t))))
13.0ms
(cbrt (* y (/ (- z t) (- a t))))
16.0ms
(cbrt (* y (/ (- z t) (- a t))))
23.0ms
(cbrt (* y (/ (- z t) (- a t))))

series1.3s

Counts
4 → 12
Calls
4 calls:
339.0ms
(cbrt (* y (/ (- z t) (- a t))))
319.0ms
(cbrt (* y (/ (- z t) (- a t))))
333.0ms
(cbrt (* y (/ (- z t) (- a t))))
347.0ms
(cbrt (* y (/ (- z t) (- a t))))

simplify929.0ms

Counts
52 → 52
Iterations

Useful iterations: done (926.0ms)

IterNodesCost
057748
1112736
2295644
31462616
done5001580

prune505.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes929.0ms

Accuracy

16.4% (1.1b remaining)

Error of 1.1b against oracle of 0.0b and baseline of 1.3b

bsearch164.0ms

Steps
ItersRangePoint
9
1.45259813490488e-166
1.1016028144226224e-157
3.9183521668461886e-162
10
-2.036471125753259e+101
-3.21116155890472e+87
-3.2556880791539753e+87

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01941
12631
done2631

end0.0ms

sample1.3s

Algorithm
intervals
Results
540.0ms8746×body80valid
0.0msbody640valid
0.0msbody320valid