Details

Time bar (total: 4.3s)

sample23.0ms

Algorithm
intervals
Results
9.0ms271×body80valid

simplify51.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
0258
1398
2648
31158
42078
54658
613378
750018
done50018

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.1b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* t z) x)
0.0b
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
10.5b
(/ (- (* y z) x) (- (* t z) x))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
25×times-frac
22×add-sqr-sqrt add-cube-cbrt
10×distribute-lft-out
add-exp-log associate-/r* add-cbrt-cube associate-/l*
add-log-exp
associate-/r/ associate-/l/
pow1 expm1-log1p-u flip3-- div-sub prod-diff flip-- log1p-expm1-u
cbrt-undiv frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
associate-+r- sub-neg fma-neg diff-log
Counts
3 → 95
Calls
3 calls:
9.0ms
(- (* t z) x)
125.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
28.0ms
(/ (- (* y z) x) (- (* t z) x))

series218.0ms

Counts
3 → 9
Calls
3 calls:
26.0ms
(- (* t z) x)
131.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
61.0ms
(/ (- (* y z) x) (- (* t z) x))

simplify60.0ms

Counts
104 → 104
Iterations

Useful iterations: 1 (13.0ms)

IterNodesCost
0433951
11923872
25001872
done5001872

prune278.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (/ x (- (* t z) x)) (+ x 1.0))
3.0b
(/ x (- (* t z) x))
3.3b
(/ y (- (* t z) x))
3.9b
(fma (/ y (- (* t z) x)) z x)

rewrite71.0ms

Algorithm
rewrite-expression-head
Rules
123×times-frac
103×*-un-lft-identity
71×add-sqr-sqrt add-cube-cbrt
21×associate-/l*
16×associate-/r/ distribute-lft-out
13×add-exp-log add-cbrt-cube
10×associate-/r*
div-inv
flip3-- flip--
cbrt-undiv div-exp
pow1 expm1-log1p-u log1p-expm1-u add-log-exp
frac-2neg clear-num
flip3-+ flip-+ fma-udef associate-/l/
Counts
4 → 170
Calls
4 calls:
33.0ms
(/ (/ x (- (* t z) x)) (+ x 1.0))
17.0ms
(/ x (- (* t z) x))
13.0ms
(/ y (- (* t z) x))
0.0ms
(fma (/ y (- (* t z) x)) z x)

series262.0ms

Counts
4 → 12
Calls
4 calls:
104.0ms
(/ (/ x (- (* t z) x)) (+ x 1.0))
63.0ms
(/ x (- (* t z) x))
32.0ms
(/ y (- (* t z) x))
63.0ms
(fma (/ y (- (* t z) x)) z x)

simplify64.0ms

Counts
182 → 182
Iterations

Useful iterations: 1 (15.0ms)

IterNodesCost
05821552
122871475
250021475
done50021475

prune565.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ x (/ (- (* y z) x) (fma t z (- x)))) (+ x 1.0))
10.5b
(/ (- (* y z) x) (fma t z (- x)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
40×*-un-lft-identity
25×times-frac
20×add-sqr-sqrt add-cube-cbrt
10×distribute-lft-out
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
associate-/l/
div-sub
pow1 cbrt-undiv expm1-log1p-u frac-2neg flip3-+ div-exp clear-num associate-/r/ flip-+ log1p-expm1-u div-inv add-log-exp
associate-+r- flip3-- flip--
Counts
2 → 75
Calls
2 calls:
71.0ms
(/ (+ x (/ (- (* y z) x) (fma t z (- x)))) (+ x 1.0))
24.0ms
(/ (- (* y z) x) (fma t z (- x)))

series207.0ms

Counts
2 → 6
Calls
2 calls:
142.0ms
(/ (+ x (/ (- (* y z) x) (fma t z (- x)))) (+ x 1.0))
65.0ms
(/ (- (* y z) x) (fma t z (- x)))

simplify41.0ms

Counts
81 → 81
Iterations

Useful iterations: 2 (33.0ms)

IterNodesCost
0334845
11185789
25001788
done5001788

prune227.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 4 expressions with local error:

2.0b
(cbrt (/ (- (* y z) x) (fma t z (- x))))
10.5b
(/ (- (* y z) x) (fma t z (- x)))
10.5b
(/ (- (* y z) x) (fma t z (- x)))
10.5b
(/ (- (* y z) x) (fma t z (- x)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
35×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
13×cbrt-prod
10×add-exp-log add-cbrt-cube
associate-/r* associate-/l*
associate-/l/
pow1 expm1-log1p-u log1p-expm1-u div-inv add-log-exp
cbrt-undiv flip3-- frac-2neg div-sub div-exp clear-num flip--
cbrt-div pow1/3
Counts
4 → 120
Calls
4 calls:
5.0ms
(cbrt (/ (- (* y z) x) (fma t z (- x))))
20.0ms
(/ (- (* y z) x) (fma t z (- x)))
23.0ms
(/ (- (* y z) x) (fma t z (- x)))
20.0ms
(/ (- (* y z) x) (fma t z (- x)))

series395.0ms

Counts
4 → 12
Calls
4 calls:
193.0ms
(cbrt (/ (- (* y z) x) (fma t z (- x))))
69.0ms
(/ (- (* y z) x) (fma t z (- x)))
64.0ms
(/ (- (* y z) x) (fma t z (- x)))
68.0ms
(/ (- (* y z) x) (fma t z (- x)))

simplify73.0ms

Counts
132 → 132
Iterations

Useful iterations: 3 (62.0ms)

IterNodesCost
02171163
16341084
224171082
350021071
done50021071

prune501.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes253.0ms

Accuracy

58.9% (1.8b remaining)

Error of 2.1b against oracle of 0.4b and baseline of 4.7b

bsearch2.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04441
14641
24641
done4641

end0.0ms

sample607.0ms

Algorithm
intervals
Results
310.0ms8322×body80valid