Details

Time bar (total: 9.1s)

sample21.0ms

Algorithm
intervals
Results
9.0ms283×body80valid

simplify833.0ms

Counts
1 → 1
Iterations

Useful iterations: 3 (9.0ms)

IterNodesCost
01011
11811
23311
36010
410210
514910
619910
723410
827810
936410
1047710
1154910
1264310
1367110
done67110

prune8.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- z a))
3.1b
(fma (/ y (- z a)) (- z t) x)

rewrite8.0ms

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:
5.0ms
(/ y (- z a))
0.0ms
(fma (/ y (- z a)) (- z t) x)

series116.0ms

Counts
2 → 6
Calls
2 calls:
30.0ms
(/ y (- z a))
86.0ms
(fma (/ y (- z a)) (- z t) x)

simplify1.1s

Counts
55 → 55
Iterations

Useful iterations: 4 (433.0ms)

IterNodesCost
092552
1171535
2363495
3780495
42052494
done5001494

prune167.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1 (- z a))
0.2b
(* y (/ 1 (- z a)))
3.1b
(fma (* y (/ 1 (- z a))) (- z t) x)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
38×*-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-/r*
div-exp prod-exp associate-/r/
expm1-log1p-u associate-*l* log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv rec-exp flip3-- 1-exp flip-- 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 → 99
Calls
3 calls:
6.0ms
(/ 1 (- z a))
17.0ms
(* y (/ 1 (- z a)))
0.0ms
(fma (* y (/ 1 (- z a))) (- z t) x)

series154.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(/ 1 (- z a))
33.0ms
(* y (/ 1 (- z a)))
85.0ms
(fma (* y (/ 1 (- z a))) (- z t) x)

simplify1.7s

Counts
108 → 108
Iterations

Useful iterations: 4 (753.0ms)

IterNodesCost
01321057
1289837
2537751
31069751
43002750
done5001750

prune242.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.6b
(cbrt y)
0.6b
(cbrt y)
3.1b
(fma (/ (* (cbrt y) (cbrt y)) (/ (- z a) (cbrt y))) (- z t) x)

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
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
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
0.0ms
(cbrt y)
1.0ms
(cbrt y)
1.0ms
(cbrt y)
0.0ms
(fma (/ (* (cbrt y) (cbrt y)) (/ (- z a) (cbrt y))) (- z t) x)

series689.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(cbrt y)
189.0ms
(cbrt y)
195.0ms
(cbrt y)
111.0ms
(fma (/ (* (cbrt y) (cbrt y)) (/ (- z a) (cbrt y))) (- z t) x)

simplify1.6s

Counts
61 → 61
Iterations

Useful iterations: 3 (71.0ms)

IterNodesCost
049464
191452
2213356
3639314
43433314
done5001314

prune208.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* y (- z t))
0.0b
(+ x (/ (* y (- z t)) (- z a)))
11.0b
(/ (* y (- z t)) (- z a))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
10×add-exp-log add-cbrt-cube
pow1 times-frac associate-*r* associate-/r* add-log-exp
associate-*r/
expm1-log1p-u flip3-- fma-def associate-*l* flip-- log1p-expm1-u distribute-lft-out-- difference-of-squares
cbrt-undiv sub-neg div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 94
Calls
3 calls:
12.0ms
(* y (- z t))
13.0ms
(+ x (/ (* y (- z t)) (- z a)))
14.0ms
(/ (* y (- z t)) (- z a))

series188.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(* y (- z t))
77.0ms
(+ x (/ (* y (- z t)) (- z a)))
70.0ms
(/ (* y (- z t)) (- z a))

simplify979.0ms

Counts
103 → 103
Iterations

Useful iterations: done (976.0ms)

IterNodesCost
01821394
14221177
212271009
done5000991

prune221.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

regimes217.0ms

Accuracy

56.5% (0.5b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 1.2b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02257
12757
done2757

end0.0ms

sample522.0ms

Algorithm
intervals
Results
268.0ms8764×body80valid
0.0msbody1280valid
0.0msbody640valid
0.0msbody320valid
0.0msbody160valid