Details

Time bar (total: 12.6s)

sample44.0ms

Algorithm
intervals
Results
22.0ms357×body80valid

simplify3.3s

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
089
1158
2338
3638
41108
51628
62108
72498
84958
914118
done50018

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.8b

localize13.0ms

Local error

Found 1 expressions with local error:

1.7b
(fma (/ x y) (- z t) t)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
1.0ms
(fma (/ x y) (- z t) t)

series53.0ms

Counts
1 → 3
Calls
1 calls:
53.0ms
(fma (/ x y) (- z t) t)

simplify2.3s

Counts
13 → 13
Iterations

Useful iterations: 3 (70.0ms)

IterNodesCost
023154
141154
291138
3283123
42198123
done5000123

prune43.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize29.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (/ x y) (- z t) t))
1.7b
(fma (/ x y) (- z t) t)
1.7b
(fma (/ x y) (- z t) t)
1.7b
(fma (/ x y) (- z t) t)

rewrite2.0ms

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 (/ x y) (- z t) t))
0.0ms
(fma (/ x y) (- z t) t)
0.0ms
(fma (/ x y) (- z t) t)
0.0ms
(fma (/ x y) (- z t) t)

series365.0ms

Counts
4 → 12
Calls
4 calls:
247.0ms
(cbrt (fma (/ x y) (- z t) t))
39.0ms
(fma (/ x y) (- z t) t)
37.0ms
(fma (/ x y) (- z t) t)
41.0ms
(fma (/ x y) (- z t) t)

simplify771.0ms

Counts
55 → 55
Iterations

Useful iterations: done (768.0ms)

IterNodesCost
060683
1118678
2286611
31131559
done5001550

prune223.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize41.0ms

Local error

Found 4 expressions with local error:

1.7b
(fma (/ x y) (- z t) t)
1.7b
(fma (/ x y) (- z t) t)
1.7b
(fma (/ x y) (- z t) t)
1.7b
(fma (/ x y) (- z t) t)

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
4 → 40
Calls
4 calls:
1.0ms
(fma (/ x y) (- z t) t)
1.0ms
(fma (/ x y) (- z t) t)
1.0ms
(fma (/ x y) (- z t) t)
1.0ms
(fma (/ x y) (- z t) t)

series173.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(fma (/ x y) (- z t) t)
46.0ms
(fma (/ x y) (- z t) t)
39.0ms
(fma (/ x y) (- z t) t)
49.0ms
(fma (/ x y) (- z t) t)

simplify1.9s

Counts
52 → 52
Iterations

Useful iterations: 3 (53.0ms)

IterNodesCost
023616
141616
291552
3283492
42198492
done5000492

prune240.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize14.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (* (/ (- z t) y) x) t)
0.0b
(/ (- z t) y)
5.2b
(* (/ (- z t) y) x)

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
37×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
19×associate-*l*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-/l* add-log-exp
expm1-log1p-u associate-*r* associate-/r* log1p-expm1-u
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative flip3-- fma-def frac-2neg flip3-+ div-sub pow-prod-down associate-*l/ clear-num sum-log *-commutative flip-- flip-+
Counts
3 → 94
Calls
3 calls:
21.0ms
(+ (* (/ (- z t) y) x) t)
21.0ms
(/ (- z t) y)
42.0ms
(* (/ (- z t) y) x)

series178.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(+ (* (/ (- z t) y) x) t)
43.0ms
(/ (- z t) y)
84.0ms
(* (/ (- z t) y) x)

simplify964.0ms

Counts
103 → 103
Iterations

Useful iterations: done (959.0ms)

IterNodesCost
01441081
13671022
21535962
done5001953

prune283.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes164.0ms

Accuracy

9.9% (1.7b remaining)

Error of 1.7b against oracle of 0.0b and baseline of 1.9b

bsearch152.0ms

Steps
ItersRangePoint
8
-2.801889466383081e-303
-1.0345672052037073e-307
-5.330647358840706e-307
8
-1.7860205002943532e+77
-9.029039785599943e+73
-4.8763260456976e+75

simplify5.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01937
12530
done2530

end0.0ms

sample1.2s

Algorithm
intervals
Results
574.0ms10661×body80valid