Details

Time bar (total: 18.0s)

sample46.0ms

Algorithm
intervals
Results
18.0ms269×body80valid

simplify6.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
01011
11711
23211
36010
411510
519010
628610
742310
877210
9150710
10445910
done500010

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 2 expressions with local error:

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

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out-- difference-of-squares
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 49
Calls
2 calls:
23.0ms
(/ y (- a t))
1.0ms
(fma (/ y (- a t)) (- z t) x)

series327.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ y (- a t))
283.0ms
(fma (/ y (- a t)) (- z t) x)

simplify872.0ms

Counts
55 → 55
Iterations

Useful iterations: 3 (287.0ms)

IterNodesCost
092550
1173533
2440493
31606491
done5000491

prune237.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) y)
0.7b
(/ 1 (/ (- a t) y))
2.2b
(fma (/ 1 (/ (- a t) y)) (- z t) x)

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
101×add-sqr-sqrt *-un-lft-identity
69×add-cube-cbrt
22×associate-/r*
16×add-exp-log distribute-lft-out-- difference-of-squares
10×add-cbrt-cube
div-exp associate-/l*
div-inv
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num associate-/l/
flip3-- pow-flip div-sub associate-/r/ flip-- fma-udef inv-pow
Counts
3 → 152
Calls
3 calls:
21.0ms
(/ (- a t) y)
24.0ms
(/ 1 (/ (- a t) y))
1.0ms
(fma (/ 1 (/ (- a t) y)) (- z t) x)

series411.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ (- a t) y)
109.0ms
(/ 1 (/ (- a t) y))
253.0ms
(fma (/ 1 (/ (- a t) y)) (- z t) x)

simplify1.7s

Counts
161 → 161
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02102150
15201825
224501735
done50001548

prune487.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
0.7b
(/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y)))
2.2b
(fma (/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y))) (- z t) x)

rewrite236.0ms

Algorithm
rewrite-expression-head
Rules
48×add-exp-log
28×cbrt-div
18×prod-exp
17×associate-/r/
16×frac-times div-exp add-cbrt-cube
14×flip3-- flip--
12×add-sqr-sqrt *-un-lft-identity associate-*l/
10×pow1 cbrt-prod
add-cube-cbrt
cbrt-undiv
cbrt-unprod
rec-exp 1-exp associate-*r/
expm1-log1p-u log1p-expm1-u add-log-exp
pow-flip times-frac pow-prod-down associate-/l*
pow1/3 distribute-lft-out-- difference-of-squares
frac-2neg clear-num associate-/r* fma-udef div-inv inv-pow
Counts
4 → 104
Calls
4 calls:
5.0ms
(cbrt (- a t))
8.0ms
(cbrt (- a t))
217.0ms
(/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y)))
1.0ms
(fma (/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y))) (- z t) x)

series874.0ms

Counts
4 → 12
Calls
4 calls:
231.0ms
(cbrt (- a t))
234.0ms
(cbrt (- a t))
110.0ms
(/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y)))
298.0ms
(fma (/ 1 (* (* (cbrt (- a t)) (cbrt (- a t))) (/ (cbrt (- a t)) y))) (- z t) x)

simplify1.8s

Counts
116 → 116
Iterations

Useful iterations: done (1.8s)

IterNodesCost
02052049
15191924
218161398
done50011166

prune575.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.2b
(* (/ (- z t) (- a t)) y)

rewrite139.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
70×*-un-lft-identity
51×times-frac
31×associate-*l*
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-*r* flip--
cbrt-undiv expm1-log1p-u div-exp prod-exp cbrt-unprod log1p-expm1-u div-inv associate-/l/ add-log-exp unswap-sqr
frac-2neg div-sub pow-prod-down associate-*l/ clear-num *-commutative
Counts
2 → 106
Calls
2 calls:
51.0ms
(/ (- z t) (- a t))
79.0ms
(* (/ (- z t) (- a t)) y)

series262.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (- z t) (- a t))
191.0ms
(* (/ (- z t) (- a t)) y)

simplify1.2s

Counts
112 → 112
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01471339
13811303
214761225
done50011219

prune441.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes199.0ms

Accuracy

36.1% (0.9b remaining)

Error of 0.9b against oracle of 0.0b and baseline of 1.4b

bsearch137.0ms

Steps
ItersRangePoint
5
8.888398750328554e-40
2.5423444098618012e-39
2.5074376505129892e-39
8
-3.507287287673656e+78
-1.1085261461349702e+74
-1.1250157533671681e+74

simplify6.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02247
13333
23433
done3433

end0.0ms

sample1.5s

Algorithm
intervals
Results
659.0ms8677×body80valid
0.0msbody160valid