Details

Time bar (total: 17.4s)

sample28.0ms

Algorithm
intervals
Results
11.0ms287×body80valid

simplify1.3s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01011
12111
23710
36010
410310
516310
621410
724110
828010
932110
1040610
1150410
1257210
1363610
1466410
done66410

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.9b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- z t) (- z a))
1.8b
(fma (/ (- z t) (- z a)) y x)

rewrite34.0ms

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:
25.0ms
(/ (- z t) (- z a))
0.0ms
(fma (/ (- z t) (- z a)) y x)

series176.0ms

Counts
2 → 6
Calls
2 calls:
74.0ms
(/ (- z t) (- z a))
103.0ms
(fma (/ (- z t) (- z a)) y x)

simplify3.3s

Counts
70 → 70
Iterations

Useful iterations: 4 (2.0s)

IterNodesCost
0113884
1261856
2628808
31605808
44736806
done5000806

prune275.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.8b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.2b
(* (- z t) (/ 1 (- z a)))
1.8b
(fma (* (- z t) (/ 1 (- z a))) y x)

rewrite88.0ms

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:
13.0ms
(/ 1 (- z a))
62.0ms
(* (- z t) (/ 1 (- z a)))
6.0ms
(fma (* (- z t) (/ 1 (- z a))) y x)

series226.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(/ 1 (- z a))
67.0ms
(* (- z t) (/ 1 (- z a)))
108.0ms
(fma (* (- z t) (/ 1 (- z a))) y x)

simplify2.8s

Counts
114 → 114
Iterations

Useful iterations: 2 (204.0ms)

IterNodesCost
01491251
13311018
2915918
32969918
done5001918

prune328.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 0.8b

localize27.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
0.5b
(cbrt (- z a))
1.8b
(fma (* (- z t) (/ (/ 1 (* (cbrt (- z a)) (cbrt (- z a)))) (cbrt (- z a)))) y x)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
13×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
cbrt-div
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
fma-udef
Counts
4 → 61
Calls
4 calls:
8.0ms
(cbrt (- z a))
8.0ms
(cbrt (- z a))
8.0ms
(cbrt (- z a))
1.0ms
(fma (* (- z t) (/ (/ 1 (* (cbrt (- z a)) (cbrt (- z a)))) (cbrt (- z a)))) y x)

series845.0ms

Counts
4 → 12
Calls
4 calls:
253.0ms
(cbrt (- z a))
233.0ms
(cbrt (- z a))
231.0ms
(cbrt (- z a))
128.0ms
(fma (* (- z t) (/ (/ 1 (* (cbrt (- z a)) (cbrt (- z a)))) (cbrt (- z a)))) y x)

simplify3.0s

Counts
73 → 73
Iterations

Useful iterations: done (3.0s)

IterNodesCost
094917
1195899
2420741
31080650
43812614
done5000611

prune416.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (/ (- z t) (- z a)) y x))
1.8b
(fma (/ (- z t) (- z a)) y x)
1.8b
(fma (/ (- z t) (- z a)) y x)
1.8b
(fma (/ (- z t) (- z a)) y x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
1.0ms
(cbrt (fma (/ (- z t) (- z a)) y x))
0.0ms
(fma (/ (- z t) (- z a)) y x)
0.0ms
(fma (/ (- z t) (- z a)) y x)
0.0ms
(fma (/ (- z t) (- z a)) y x)

series919.0ms

Counts
4 → 12
Calls
4 calls:
571.0ms
(cbrt (fma (/ (- z t) (- z a)) y x))
105.0ms
(fma (/ (- z t) (- z a)) y x)
124.0ms
(fma (/ (- z t) (- z a)) y x)
119.0ms
(fma (/ (- z t) (- z a)) y x)

simplify1.2s

Counts
55 → 55
Iterations

Useful iterations: 4 (366.0ms)

IterNodesCost
047715
187713
2158631
3366624
41258620
done5000620

prune276.0ms

Pruning

8 alts after pruning (4 fresh and 4 done)

Merged error: 0.0b

regimes344.0ms

Accuracy

66.3% (0.6b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 1.7b

bsearch156.0ms

Steps
ItersRangePoint
10
8.683476754437834e-116
6.07641182977687e-99
1.976628579682119e-101
10
-534556523479.6495
-46.86566100083496
-46722405.0959222

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02241
12741
done2741

end0.0ms

sample1.6s

Algorithm
intervals
Results
561.0ms8791×body80valid