Details

Time bar (total: 18.2s)

sample52.0ms

Algorithm
intervals
Results
24.0ms263×body80valid

simplify2.2s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01317
12517
23917
36417
411417
526217
679317
7318017
done500017

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.8b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* y z) x)
0.0b
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
12.3b
(/ (- (* y z) x) (- (* t z) x))

rewrite261.0ms

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:
19.0ms
(- (* y z) x)
185.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
52.0ms
(/ (- (* y z) x) (- (* t z) x))

series365.0ms

Counts
3 → 9
Calls
3 calls:
40.0ms
(- (* y z) x)
226.0ms
(/ (+ x (/ (- (* y z) x) (- (* t z) x))) (+ x 1.0))
99.0ms
(/ (- (* y z) x) (- (* t z) x))

simplify1.8s

Counts
104 → 104
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01751983
14661903
220301773
done50011766

prune490.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ x (- (* t z) x)) (+ x 1.0))
2.7b
(fma (/ y (- (* t z) x)) z x)
3.1b
(/ y (- (* t z) x))
3.4b
(/ x (- (* t z) x))

rewrite92.0ms

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:
44.0ms
(/ (/ x (- (* t z) x)) (+ x 1.0))
0.0ms
(fma (/ y (- (* t z) x)) z x)
15.0ms
(/ y (- (* t z) x))
23.0ms
(/ x (- (* t z) x))

series391.0ms

Counts
4 → 12
Calls
4 calls:
170.0ms
(/ (/ x (- (* t z) x)) (+ x 1.0))
88.0ms
(fma (/ y (- (* t z) x)) z x)
56.0ms
(/ y (- (* t z) x))
76.0ms
(/ x (- (* t z) x))

simplify2.1s

Counts
182 → 182
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02563144
16223011
224862862
done50002858

prune872.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize29.0ms

Local error

Found 4 expressions with local error:

2.7b
(fma (/ y (- (* t z) x)) z x)
3.1b
(/ y (- (* t z) x))
3.4b
(/ x (- (* t z) x))
13.5b
(cbrt (pow (/ x (- (* t z) x)) 3))

rewrite88.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod times-frac
35×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
15×unpow-prod-down cube-prod
add-exp-log associate-/r/ add-cbrt-cube
associate-/r* associate-/l*
pow1 expm1-log1p-u flip3-- flip-- log1p-expm1-u div-inv add-log-exp
cbrt-undiv frac-2neg div-exp clear-num
cube-div cube-mult cbrt-div pow1/3 unpow3 rem-cbrt-cube fma-udef sqr-pow
Counts
4 → 120
Calls
4 calls:
0.0ms
(fma (/ y (- (* t z) x)) z x)
22.0ms
(/ y (- (* t z) x))
35.0ms
(/ x (- (* t z) x))
25.0ms
(cbrt (pow (/ x (- (* t z) x)) 3))

series324.0ms

Counts
4 → 12
Calls
4 calls:
76.0ms
(fma (/ y (- (* t z) x)) z x)
50.0ms
(/ y (- (* t z) x))
80.0ms
(/ x (- (* t z) x))
117.0ms
(cbrt (pow (/ x (- (* t z) x)) 3))

simplify1.7s

Counts
132 → 132
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01981968
15501635
228711536
done50011534

prune709.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* y z) x)
0.0b
(/ (+ x (* (- (* y z) x) (/ 1 (- (* t z) x)))) (+ x 1.0))
0.3b
(/ 1 (- (* t z) x))
11.9b
(* (- (* y z) x) (/ 1 (- (* t z) x)))

rewrite191.0ms

Algorithm
rewrite-expression-head
Rules
39×*-un-lft-identity
37×add-sqr-sqrt
32×times-frac
30×add-cube-cbrt
19×add-exp-log
15×associate-*r*
13×add-cbrt-cube
pow1 associate-/r*
associate-/r/ associate-/l* add-log-exp
flip3-- div-exp flip--
expm1-log1p-u prod-exp log1p-expm1-u distribute-lft-out
cbrt-undiv associate-*l* prod-diff div-inv unswap-sqr
frac-times rec-exp frac-2neg flip3-+ 1-exp associate-*l/ clear-num cbrt-unprod flip-+ associate-/l/
sub-neg pow-flip fma-neg diff-log associate-*r/ pow-prod-down un-div-inv *-commutative inv-pow
Counts
4 → 134
Calls
4 calls:
18.0ms
(- (* y z) x)
55.0ms
(/ (+ x (* (- (* y z) x) (/ 1 (- (* t z) x)))) (+ x 1.0))
26.0ms
(/ 1 (- (* t z) x))
84.0ms
(* (- (* y z) x) (/ 1 (- (* t z) x)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* y z) x)
221.0ms
(/ (+ x (* (- (* y z) x) (/ 1 (- (* t z) x)))) (+ x 1.0))
52.0ms
(/ 1 (- (* t z) x))
96.0ms
(* (- (* y z) x) (/ 1 (- (* t z) x)))

simplify3.6s

Counts
146 → 146
Iterations

Useful iterations: done (3.6s)

IterNodesCost
02142542
15542370
234592014
done50012012

prune639.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes238.0ms

Accuracy

51.5% (2.3b remaining)

Error of 2.6b against oracle of 0.3b and baseline of 5.1b

bsearch115.0ms

Steps
ItersRangePoint
8
1.9869247837742205e-85
5.6755020137360896e-83
1.1057785295358576e-83
2
-2.431490042894291e-08
-2.0869213830822955e-08
-2.129992465558795e-08

simplify8.0ms

Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
03085
13857
done3857

end0.0ms

sample1.4s

Algorithm
intervals
Results
860.0ms8341×body80valid