Details

Time bar (total: 17.6s)

sample29.0ms

Algorithm
intervals
Results
11.0ms264×body80valid

simplify3.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12416
24315
36615
49715
513115
616415
724015
847315
9102315
10373515
done500015

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.9b

localize15.0ms

Local error

Found 2 expressions with local error:

0.8b
(fma x y (* z (- t a)))
25.9b
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
times-frac
add-exp-log add-cbrt-cube
associate-/r* associate-/l*
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
cbrt-undiv frac-2neg div-exp clear-num fma-udef div-inv
Counts
2 → 39
Calls
2 calls:
0.0ms
(fma x y (* z (- t a)))
2.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series393.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(fma x y (* z (- t a)))
337.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify688.0ms

Counts
45 → 45
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
069841
1120830
2339750
31187750
done5000750

prune211.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 26.2b

localize14.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1 (/ (fma z (- b y) y) (fma y x (* z (- t a)))))
0.8b
(fma y x (* z (- t a)))
26.0b
(/ (fma z (- b y) y) (fma y x (* z (- t a))))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
84×times-frac
53×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
16×add-exp-log associate-/r*
10×add-cbrt-cube
div-exp
div-inv associate-/l*
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u add-log-exp
rec-exp frac-2neg 1-exp clear-num
pow-flip associate-/r/ fma-udef inv-pow
Counts
3 → 117
Calls
3 calls:
5.0ms
(/ 1 (/ (fma z (- b y) y) (fma y x (* z (- t a)))))
0.0ms
(fma y x (* z (- t a)))
2.0ms
(/ (fma z (- b y) y) (fma y x (* z (- t a))))

series733.0ms

Counts
3 → 9
Calls
3 calls:
552.0ms
(/ 1 (/ (fma z (- b y) y) (fma y x (* z (- t a)))))
60.0ms
(fma y x (* z (- t a)))
120.0ms
(/ (fma z (- b y) y) (fma y x (* z (- t a))))

simplify3.1s

Counts
126 → 126
Iterations

Useful iterations: 3 (1.2s)

IterNodesCost
01713175
13593003
211882680
331122662
done50002662

prune376.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 10.5b

localize14.0ms

Local error

Found 3 expressions with local error:

0.6b
(/ 1 (fma z (- b y) y))
0.8b
(fma y x (* z (- t a)))
25.5b
(* (/ 1 (fma z (- b y) y)) (fma y x (* z (- t a))))

rewrite14.0ms

Algorithm
rewrite-expression-head
Rules
26×add-sqr-sqrt
20×*-un-lft-identity times-frac
19×add-cube-cbrt
16×add-exp-log
13×associate-*l*
10×add-cbrt-cube
pow1
div-exp prod-exp
expm1-log1p-u associate-*r* associate-/r* fma-udef log1p-expm1-u associate-/l* add-log-exp unswap-sqr
cbrt-undiv rec-exp 1-exp cbrt-unprod div-inv
distribute-rgt-in pow-flip frac-2neg distribute-lft-in pow-prod-down associate-*l/ clear-num *-commutative inv-pow
Counts
3 → 82
Calls
3 calls:
2.0ms
(/ 1 (fma z (- b y) y))
0.0ms
(fma y x (* z (- t a)))
9.0ms
(* (/ 1 (fma z (- b y) y)) (fma y x (* z (- t a))))

series679.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ 1 (fma z (- b y) y))
66.0ms
(fma y x (* z (- t a)))
548.0ms
(* (/ 1 (fma z (- b y) y)) (fma y x (* z (- t a))))

simplify2.2s

Counts
91 → 91
Iterations

Useful iterations: 2 (93.0ms)

IterNodesCost
01141465
12501356
28331172
327121172
done50001172

prune271.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 10.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a))))))
0.8b
(fma y x (* z (- t a)))
1.6b
(/ 1 (fma y x (* z (- t a))))
24.3b
(* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a)))))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
52×add-exp-log
29×add-sqr-sqrt
23×*-un-lft-identity times-frac
22×add-cube-cbrt
20×div-exp add-cbrt-cube
16×prod-exp
13×associate-*r*
10×pow1 rec-exp 1-exp
cbrt-undiv associate-/l*
expm1-log1p-u associate-/r* cbrt-unprod log1p-expm1-u add-log-exp
pow-flip associate-*l* div-inv unswap-sqr
frac-2neg associate-*r/ pow-prod-down clear-num associate-/r/ un-div-inv inv-pow
*-commutative fma-udef
Counts
4 → 123
Calls
4 calls:
12.0ms
(/ 1 (* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a))))))
0.0ms
(fma y x (* z (- t a)))
2.0ms
(/ 1 (fma y x (* z (- t a))))
9.0ms
(* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a)))))

series814.0ms

Counts
4 → 12
Calls
4 calls:
555.0ms
(/ 1 (* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a))))))
62.0ms
(fma y x (* z (- t a)))
74.0ms
(/ 1 (fma y x (* z (- t a))))
122.0ms
(* (fma z (- b y) y) (/ 1 (fma y x (* z (- t a)))))

simplify3.3s

Counts
135 → 135
Iterations

Useful iterations: 2 (136.0ms)

IterNodesCost
01482456
13422204
211521824
331381824
done50011824

prune320.0ms

Pruning

12 alts after pruning (8 fresh and 4 done)

Merged error: 10.5b

regimes584.0ms

Accuracy

24.6% (9.5b remaining)

Error of 20.4b against oracle of 10.9b and baseline of 23.5b

bsearch116.0ms

Steps
ItersRangePoint
9
1.5247250177203267e+35
7.86294764107312e+43
7.736950116967238e+43
8
-1.4335373150418553e+75
-4.5705223523792306e+70
-7.710255796225628e+72

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02137
12531
done2531

end0.0ms

sample655.0ms

Algorithm
intervals
Results
360.0ms8392×body80valid