Details

Time bar (total: 33.5s)

sample30.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify6.8s

Counts
1 → 1
Iterations

Useful iterations: 4 (124.0ms)

IterNodesCost
01621
13320
27920
320120
440519
576619
6127819
7225719
8419319
done500019

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.7b

localize14.0ms

Local error

Found 3 expressions with local error:

0.8b
(fma x z (* y (- z b)))
1.0b
(fma a (+ t y) (fma x z (* y (- z b))))
26.9b
(/ (fma a (+ t y) (fma x z (* y (- z b)))) (+ (+ x t) y))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
15×times-frac
13×add-sqr-sqrt add-cube-cbrt
12×distribute-lft-out
add-exp-log associate-/r* add-cbrt-cube
pow1 expm1-log1p-u log1p-expm1-u associate-/l* add-log-exp
associate-/r/ fma-udef
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
3 → 59
Calls
3 calls:
1.0ms
(fma x z (* y (- z b)))
1.0ms
(fma a (+ t y) (fma x z (* y (- z b))))
71.0ms
(/ (fma a (+ t y) (fma x z (* y (- z b)))) (+ (+ x t) y))

series715.0ms

Counts
3 → 9
Calls
3 calls:
41.0ms
(fma x z (* y (- z b)))
137.0ms
(fma a (+ t y) (fma x z (* y (- z b))))
537.0ms
(/ (fma a (+ t y) (fma x z (* y (- z b)))) (+ (+ x t) y))

simplify1.2s

Counts
68 → 68
Iterations

Useful iterations: 2 (108.0ms)

IterNodesCost
0901500
11851471
25301345
321621345
done50001345

prune284.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 11.7b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (+ (+ x t) y))
0.8b
(fma x z (* y (- z b)))
1.0b
(fma a (+ t y) (fma x z (* y (- z b))))
26.9b
(* (fma a (+ t y) (fma x z (* y (- z b)))) (/ 1 (+ (+ x t) y)))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
60×*-un-lft-identity
32×times-frac
31×add-sqr-sqrt
24×add-cube-cbrt
21×associate-*r* distribute-lft-out
17×add-exp-log
11×add-cbrt-cube
pow1
associate-/r*
expm1-log1p-u div-exp prod-exp associate-/r/ log1p-expm1-u add-log-exp
associate-*l* associate-/l* unswap-sqr
cbrt-undiv rec-exp flip3-+ 1-exp cbrt-unprod flip-+ fma-udef div-inv
pow-flip frac-2neg associate-*r/ pow-prod-down clear-num un-div-inv *-commutative inv-pow
Counts
4 → 109
Calls
4 calls:
58.0ms
(/ 1 (+ (+ x t) y))
0.0ms
(fma x z (* y (- z b)))
0.0ms
(fma a (+ t y) (fma x z (* y (- z b))))
127.0ms
(* (fma a (+ t y) (fma x z (* y (- z b)))) (/ 1 (+ (+ x t) y)))

series857.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ 1 (+ (+ x t) y))
49.0ms
(fma x z (* y (- z b)))
138.0ms
(fma a (+ t y) (fma x z (* y (- z b))))
611.0ms
(* (fma a (+ t y) (fma x z (* y (- z b)))) (/ 1 (+ (+ x t) y)))

simplify2.1s

Counts
121 → 121
Iterations

Useful iterations: 2 (121.0ms)

IterNodesCost
01292017
12871805
28231597
336221597
done50001597

prune291.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 11.7b

localize18.0ms

Local error

Found 4 expressions with local error:

9.4b
(* (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (/ (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (+ (+ x t) y)))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
54×*-un-lft-identity
36×associate-*r*
32×times-frac
29×add-sqr-sqrt
25×cbrt-prod
24×add-cube-cbrt
18×distribute-lft-out
16×add-exp-log
10×add-cbrt-cube
pow1
prod-exp cbrt-unprod
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3 pow-prod-down unswap-sqr
cbrt-undiv div-exp associate-/r/
flip3-+ associate-*r/ associate-*l* *-commutative flip-+ div-inv
Counts
4 → 100
Calls
4 calls:
112.0ms
(* (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (/ (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (+ (+ x t) y)))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

series1.5s

Counts
4 → 12
Calls
4 calls:
608.0ms
(* (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (/ (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (+ (+ x t) y)))
318.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
277.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
280.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

simplify1.3s

Counts
112 → 112
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01424398
13994258
214253325
done50003158

prune430.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 11.7b

localize23.0ms

Local error

Found 4 expressions with local error:

9.8b
(/ (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (* (cbrt (+ (+ x t) y)) (cbrt (+ (+ x t) y))))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
27.6b
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log
12×cbrt-div
cbrt-prod
associate-/r/ add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
flip3-+ flip-+
pow1 cbrt-undiv expm1-log1p-u frac-times div-exp prod-exp cbrt-unprod log1p-expm1-u add-log-exp
pow1/3
associate-*r/ associate-*l/
frac-2neg times-frac clear-num associate-/r* div-inv associate-/l*
Counts
4 → 70
Calls
4 calls:
83.0ms
(/ (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (* (cbrt (+ (+ x t) y)) (cbrt (+ (+ x t) y))))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
1.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

series13.6s

Counts
4 → 12
Calls
4 calls:
12.8s
(/ (* (cbrt (fma a (+ t y) (fma x z (* y (- z b))))) (cbrt (fma a (+ t y) (fma x z (* y (- z b)))))) (* (cbrt (+ (+ x t) y)) (cbrt (+ (+ x t) y))))
272.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
235.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))
275.0ms
(cbrt (fma a (+ t y) (fma x z (* y (- z b)))))

simplify1.9s

Counts
82 → 82
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01242593
13342490
29592091
330601978
done50011960

prune325.0ms

Pruning

10 alts after pruning (6 fresh and 4 done)

Merged error: 11.7b

regimes399.0ms

Accuracy

-5.1% (19.3b remaining)

Error of 27.4b against oracle of 8.1b and baseline of 26.5b

bsearch434.0ms

Steps
ItersRangePoint
8
3.0376813422418597e+242
2.7149331643725744e+245
4.8305390600672115e+244
10
2.3595830904332568e+170
1.4707329520884118e+184
1.1811655993202686e+178
11
3.475438971074325e+61
1.3750260887017298e+85
3.9184516853750717e+61
9
1.359227237486475e-46
4.467925684565128e-41
4.4266847018442053e-41
5
-5.1211213003479313e+98
-1.3416769488648837e+98
-5.039519107897214e+98

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
03282
13982
done3982

end0.0ms

sample760.0ms

Algorithm
intervals
Results
353.0ms7999×body80valid
0.0msbody320valid