Details

Time bar (total: 21.8s)

sample29.0ms

Algorithm
intervals
Results
7.0ms218×body80valid
4.0ms22×body320valid
2.0ms17×body640valid
2.0ms13×body1280valid
0.0msbody160valid

simplify11.2s

Counts
1 → 1
Iterations

Useful iterations: 4 (26.0ms)

IterNodesCost
01113
12213
25113
310313
420512
540812
667212
793512
8111412
9138312
10181712
11273712
12395512
13494512
done500012

prune7.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 13.7b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
2.6b
(fma (/ (- t z) (- a t)) y (+ x y))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
18.0ms
(/ (- t z) (- a t))
0.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series235.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(/ (- t z) (- a t))
191.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify2.0s

Counts
70 → 70
Iterations

Useful iterations: 4 (995.0ms)

IterNodesCost
0113906
1258878
2589826
31517824
44609822
done5000822

prune217.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- t z) (/ 1 (- a t)))
4.5b
(fma (* (- t z) (/ 1 (- a t))) y (+ x y))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
46×add-sqr-sqrt
40×*-un-lft-identity
32×times-frac
23×add-cube-cbrt
21×associate-*r*
16×add-exp-log
10×add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1
associate-*l* associate-/r*
flip3-- div-exp prod-exp associate-/r/ flip--
expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv frac-times rec-exp 1-exp associate-*l/ cbrt-unprod div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative fma-udef inv-pow
Counts
3 → 105
Calls
3 calls:
6.0ms
(/ 1 (- a t))
25.0ms
(* (- t z) (/ 1 (- a t)))
0.0ms
(fma (* (- t z) (/ 1 (- a t))) y (+ x y))

series267.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ 1 (- a t))
45.0ms
(* (- t z) (/ 1 (- a t)))
187.0ms
(fma (* (- t z) (/ 1 (- a t))) y (+ x y))

simplify2.0s

Counts
114 → 114
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01491273
13351040
2905936
33006934
done5000933

prune278.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- t z) (* 1 (/ 1 (- a t))))
4.5b
(fma (* (- t z) (* 1 (/ 1 (- a t)))) y (+ x y))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
31×add-exp-log
24×add-sqr-sqrt *-un-lft-identity
17×prod-exp
15×times-frac
14×add-cube-cbrt add-cbrt-cube
pow1
1-exp
div-exp
associate-*r/ associate-*l* associate-/r* un-div-inv cbrt-unprod distribute-lft-out-- difference-of-squares
frac-times flip3-- flip--
expm1-log1p-u rec-exp pow-prod-down log1p-expm1-u associate-/l* add-log-exp
cbrt-undiv associate-*l/ associate-/r/
pow-flip frac-2neg associate-*r* clear-num *-commutative fma-udef div-inv inv-pow
Counts
3 → 92
Calls
3 calls:
9.0ms
(/ 1 (- a t))
27.0ms
(* (- t z) (* 1 (/ 1 (- a t))))
0.0ms
(fma (* (- t z) (* 1 (/ 1 (- a t)))) y (+ x y))

series271.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ 1 (- a t))
44.0ms
(* (- t z) (* 1 (/ 1 (- a t))))
191.0ms
(fma (* (- t z) (* 1 (/ 1 (- a t)))) y (+ x y))

simplify1.2s

Counts
101 → 101
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01531224
1350998
2753810
32014808
done5000807

prune238.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.4b

localize18.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- a t))
0.5b
(cbrt (- a t))
0.6b
(* (cbrt (- a t)) (cbrt (- a t)))
12.1b
(fma (* (- t z) (* 1 (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ 1 (cbrt (- a t)))))) y (+ x y))

rewrite34.0ms

Algorithm
rewrite-expression-head
Rules
38×cbrt-prod
34×add-sqr-sqrt
32×*-un-lft-identity
16×cbrt-div
14×add-cube-cbrt
11×pow1
10×swap-sqr
flip3-- pow1/3 associate-*r* associate-*l* flip-- distribute-lft-out--
add-exp-log difference-of-squares
expm1-log1p-u frac-times add-cbrt-cube log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod fma-udef
Counts
4 → 102
Calls
4 calls:
2.0ms
(cbrt (- a t))
2.0ms
(cbrt (- a t))
22.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
0.0ms
(fma (* (- t z) (* 1 (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ 1 (cbrt (- a t)))))) y (+ x y))

series730.0ms

Counts
4 → 12
Calls
4 calls:
175.0ms
(cbrt (- a t))
182.0ms
(cbrt (- a t))
155.0ms
(* (cbrt (- a t)) (cbrt (- a t)))
217.0ms
(fma (* (- t z) (* 1 (* (/ 1 (* (cbrt (- a t)) (cbrt (- a t)))) (/ 1 (cbrt (- a t)))))) y (+ x y))

simplify1.4s

Counts
114 → 114
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01591641
13191507
28181381
324481169
done50001147

prune436.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 3.4b

regimes374.0ms

Accuracy

43.2% (4.9b remaining)

Error of 8.3b against oracle of 3.4b and baseline of 12.0b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02889
13487
done3487

end0.0ms

sample675.0ms

Algorithm
intervals
Results
251.0ms7307×body80valid
60.0ms462×body640valid
48.0ms288×body1280valid
35.0ms376×body320valid
17.0ms273×body160valid
3.0ms16×body2560valid