Details

Time bar (total: 15.2s)

sample27.0ms

Algorithm
intervals
Results
13.0ms266×body80valid

simplify3.6s

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12416
24315
36515
49615
513015
616315
723915
839615
970715
10155315
11426915
done500015

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 22.5b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (- t a))
0.8b
(fma x y (* z (- t a)))
21.8b
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
27×*-un-lft-identity
25×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
times-frac
add-exp-log add-cbrt-cube
pow1 associate-*r*
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u associate-/l* add-log-exp
sub-neg associate-*r/
cbrt-undiv flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod fma-udef div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 85
Calls
3 calls:
12.0ms
(* z (- t a))
0.0ms
(fma x y (* z (- t a)))
3.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

series442.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(* z (- t a))
50.0ms
(fma x y (* z (- t a)))
351.0ms
(/ (fma x y (* z (- t a))) (fma z (- b y) y))

simplify1.3s

Counts
94 → 94
Iterations

Useful iterations: 3 (443.0ms)

IterNodesCost
01631562
12881378
26861188
324921146
done50011146

prune291.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 21.9b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ y (* z (- b y)))
0.0b
(* z (- t a))
1.4b
(+ (* x y) (* z (- t a)))
21.8b
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
55×add-sqr-sqrt
54×prod-diff
53×*-un-lft-identity
51×add-cube-cbrt
44×associate-+r+
33×distribute-rgt-in distribute-lft-in
times-frac
add-exp-log add-cbrt-cube add-log-exp
pow1 sub-neg
associate-*r*
expm1-log1p-u fma-def flip3-+ flip-+ log1p-expm1-u
associate-*l* associate-/r* associate-/l*
+-commutative associate-*r/ sum-log associate-/r/ associate-/l/
cbrt-undiv flip3-- frac-2neg div-exp pow-prod-down prod-exp clear-num *-commutative flip-- cbrt-unprod div-inv distribute-lft-out-- difference-of-squares unswap-sqr
Counts
4 → 153
Calls
4 calls:
6.0ms
(+ y (* z (- b y)))
12.0ms
(* z (- t a))
7.0ms
(+ (* x y) (* z (- t a)))
12.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

series472.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(+ y (* z (- b y)))
41.0ms
(* z (- t a))
44.0ms
(+ (* x y) (* z (- t a)))
354.0ms
(/ (+ (* x y) (* z (- t a))) (+ y (* z (- b y))))

simplify786.0ms

Counts
165 → 165
Iterations

Useful iterations: done (782.0ms)

IterNodesCost
02792673
15692249
215011865
done50001847

prune500.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 21.9b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(* z (- t a))
0.7b
(/ 1 (fma z (- b y) y))
0.8b
(fma x y (* z (- t a)))
21.5b
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
37×*-un-lft-identity
34×add-cube-cbrt
20×times-frac
19×add-exp-log
18×associate-*r* prod-diff
13×add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
pow1
associate-*l*
prod-exp
expm1-log1p-u div-exp log1p-expm1-u add-log-exp unswap-sqr
associate-*r/ associate-/r* cbrt-unprod associate-/l*
cbrt-undiv sub-neg rec-exp 1-exp pow-prod-down *-commutative div-inv
flip3-- pow-flip frac-2neg clear-num un-div-inv flip-- fma-udef distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 127
Calls
4 calls:
13.0ms
(* z (- t a))
2.0ms
(/ 1 (fma z (- b y) y))
0.0ms
(fma x y (* z (- t a)))
8.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

series494.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* z (- t a))
60.0ms
(/ 1 (fma z (- b y) y))
49.0ms
(fma x y (* z (- t a)))
347.0ms
(* (fma x y (* z (- t a))) (/ 1 (fma z (- b y) y)))

simplify2.4s

Counts
139 → 139
Iterations

Useful iterations: 3 (909.0ms)

IterNodesCost
02002133
13891818
29271550
335661508
done50001508

prune370.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 21.9b

localize17.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ 1 (/ (fma (- b y) z y) (fma z (- t a) (* x y))))
0.8b
(fma z (- t a) (* x y))
21.8b
(/ (fma (- b y) z y) (fma z (- t a) (* x y)))

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:
6.0ms
(/ 1 (/ (fma (- b y) z y) (fma z (- t a) (* x y))))
0.0ms
(fma z (- t a) (* x y))
2.0ms
(/ (fma (- b y) z y) (fma z (- t a) (* x y)))

series1.4s

Counts
3 → 9
Calls
3 calls:
1.2s
(/ 1 (/ (fma (- b y) z y) (fma z (- t a) (* x y))))
49.0ms
(fma z (- t a) (* x y))
154.0ms
(/ (fma (- b y) z y) (fma z (- t a) (* x y)))

simplify1.6s

Counts
126 → 126
Iterations

Useful iterations: 3 (544.0ms)

IterNodesCost
01703177
13502961
27132682
321232664
done50002664

prune325.0ms

Pruning

11 alts after pruning (8 fresh and 3 done)

Merged error: 15.1b

regimes482.0ms

Accuracy

71.8% (2.4b remaining)

Error of 17.8b against oracle of 15.4b and baseline of 23.8b

bsearch2.0ms

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
031108
142102
done42102

end0.0ms

sample630.0ms

Algorithm
intervals
Results
345.0ms8403×body80valid