Details

Time bar (total: 16.4s)

sample94.0ms

Algorithm
intervals
Results
33.0ms53×body1280valid
13.0ms37×body640valid
10.0ms161×body80valid
6.0ms26×body320valid
5.0ms104×body80nan
3.0ms19×body160valid

simplify1.2s

Counts
1 → 1
Iterations
IterNodes
done5000
62074
5506
4151
352
224
115
08

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.3b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (pow (/ x (+ y x)) x) x)
0.0b
(/ x (+ y x))
5.7b
(pow (/ x (+ y x)) x)

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
118×*-un-lft-identity
90×unpow-prod-down
80×add-sqr-sqrt add-cube-cbrt
25×associate-/l*
19×distribute-lft-out
16×add-exp-log
12×associate-/r/
associate-/r* add-cbrt-cube div-exp div-inv
flip3-+ flip-+
sqr-pow
pow1 pow-exp
expm1-log1p-u pow-unpow log1p-expm1-u add-log-exp
pow-to-exp cbrt-undiv clear-num frac-2neg
pow-pow
Counts
3 → 178
Calls
3 calls:
52.0ms
(/ (pow (/ x (+ y x)) x) x)
9.0ms
(/ x (+ y x))
11.0ms
(pow (/ x (+ y x)) x)

series553.0ms

Counts
3 → 9
Calls
3 calls:
193.0ms
(/ (pow (/ x (+ y x)) x) x)
53.0ms
(/ x (+ y x))
306.0ms
(pow (/ x (+ y x)) x)

simplify1.6s

Counts
187 → 187
Iterations
IterNodes
done5002
22899
1667
0282

prune1.1s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.3b

localize93.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod
14×*-un-lft-identity
add-sqr-sqrt add-cube-cbrt
cbrt-div
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log log1p-expm1-u add-log-exp
flip3-+ flip-+ distribute-lft-out
Counts
4 → 61
Calls
4 calls:
1.0ms
(cbrt x)
7.0ms
(cbrt (+ x y))
7.0ms
(cbrt (+ x y))
6.0ms
(cbrt (+ x y))

series826.0ms

Counts
4 → 12
Calls
4 calls:
283.0ms
(cbrt x)
181.0ms
(cbrt (+ x y))
168.0ms
(cbrt (+ x y))
194.0ms
(cbrt (+ x y))

simplify1.0s

Counts
73 → 73
Iterations
IterNodes
done5001
31881
2499
1153
073

prune649.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize71.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt (+ x y))
0.6b
(cbrt (+ x y))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
14×cbrt-prod
12×*-un-lft-identity
add-sqr-sqrt add-cube-cbrt
expm1-log1p-u pow1 cbrt-div add-cbrt-cube pow1/3 add-exp-log log1p-expm1-u add-log-exp
flip3-+ flip-+ distribute-lft-out
Counts
4 → 58
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
6.0ms
(cbrt (+ x y))
14.0ms
(cbrt (+ x y))

series888.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(cbrt x)
274.0ms
(cbrt x)
184.0ms
(cbrt (+ x y))
204.0ms
(cbrt (+ x y))

simplify971.0ms

Counts
70 → 70
Iterations
IterNodes
done5001
31881
2499
1153
073

prune762.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize101.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
5.8b
(cbrt (/ x (+ x y)))
5.8b
(cbrt (/ x (+ x y)))
5.8b
(cbrt (/ x (+ x y)))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
57×cbrt-prod
47×*-un-lft-identity
36×times-frac
29×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
associate-/r/
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log log1p-expm1-u add-log-exp
cbrt-div flip3-+ flip-+ div-inv
Counts
4 → 100
Calls
4 calls:
1.0ms
(cbrt x)
16.0ms
(cbrt (/ x (+ x y)))
9.0ms
(cbrt (/ x (+ x y)))
9.0ms
(cbrt (/ x (+ x y)))

series771.0ms

Counts
4 → 12
Calls
4 calls:
271.0ms
(cbrt x)
183.0ms
(cbrt (/ x (+ x y)))
149.0ms
(cbrt (/ x (+ x y)))
168.0ms
(cbrt (/ x (+ x y)))

simplify787.0ms

Counts
112 → 112
Iterations
IterNodes
done5000
31282
2370
1170
0101

prune687.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes161.0ms

Accuracy

80.6% (1.3b remaining)

Error of 1.3b against oracle of 0.0b and baseline of 6.5b

bsearch153.0ms

Steps
ItersRangePoint
6
1698412.1750747235
9645967.64350026
1719139.2202338078
7
-3.1422350234624783e+87
-6.357458366051419e+85
-1.782408069109436e+86

simplify5.0ms

Iterations
IterNodes
done27
127
021

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.5s1487×body1280valid
628.0ms1478×body640valid
525.0ms4880×body80valid
232.0ms3085×body80nan
228.0ms836×body320valid
127.0ms459×body160valid