Details

Time bar (total: 17.2s)

sample122.0ms

Algorithm
intervals
Results
49.0ms63×body1280valid
21.0ms44×body640valid
12.0ms148×body80valid
7.0ms24×body320valid
6.0ms91×body80nan
2.0ms12×body160valid

simplify1.2s

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
0811
11511
2249
3519
41489
54859
619799
done50009

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.0b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (exp (* x (log (/ x (+ x y))))) x)
0.0b
(/ x (+ x y))
0.1b
(* x (log (/ x (+ x y))))
7.7b
(log (/ x (+ x y)))

rewrite535.0ms

Algorithm
rewrite-expression-head
Rules
261×times-frac
221×*-un-lft-identity
198×log-prod
149×add-sqr-sqrt
147×add-cube-cbrt
144×exp-sum
90×distribute-rgt-in distribute-lft-in
42×associate-/l*
37×distribute-lft-out
24×associate-/r/
13×div-inv
12×add-exp-log flip3-+ flip-+
10×add-cbrt-cube
pow1
associate-/r*
associate-*r* add-log-exp
div-exp associate-*l*
cbrt-undiv frac-2neg rem-log-exp clear-num log-pow
log-div pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 288
Calls
4 calls:
458.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
17.0ms
(/ x (+ x y))
28.0ms
(* x (log (/ x (+ x y))))
9.0ms
(log (/ x (+ x y)))

series446.0ms

Counts
4 → 12
Calls
4 calls:
195.0ms
(/ (exp (* x (log (/ x (+ x y))))) x)
53.0ms
(/ x (+ x y))
124.0ms
(* x (log (/ x (+ x y))))
74.0ms
(log (/ x (+ x y)))

simplify2.2s

Counts
300 → 300
Iterations

Useful iterations: done (2.2s)

IterNodesCost
04705564
18935032
231904546
done50024544

prune1.1s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
3.8b
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-div
17×add-exp-log
14×*-un-lft-identity
13×log-prod
12×cbrt-prod
flip3-+ flip-+
add-sqr-sqrt add-cube-cbrt associate-/r/
pow1 rem-log-exp
frac-times div-exp prod-exp add-cbrt-cube add-log-exp
pow1/3 distribute-lft-out
associate-*r/ associate-*l/
log-div times-frac log-pow div-inv
Counts
4 → 69
Calls
4 calls:
4.0ms
(cbrt (+ x y))
4.0ms
(cbrt (+ x y))
6.0ms
(cbrt (+ x y))
40.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

series647.0ms

Counts
4 → 12
Calls
4 calls:
176.0ms
(cbrt (+ x y))
171.0ms
(cbrt (+ x y))
177.0ms
(cbrt (+ x y))
123.0ms
(log (/ (* (cbrt x) (cbrt x)) (* (cbrt (+ x y)) (cbrt (+ x y)))))

simplify924.0ms

Counts
81 → 81
Iterations

Useful iterations: done (922.0ms)

IterNodesCost
01221119
12711074
2699935
32109866
done5002854

prune621.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize56.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (+ x y))
0.5b
(cbrt (+ x y))
2.1b
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))
2.1b
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
12×*-un-lft-identity
cbrt-prod add-sqr-sqrt add-cube-cbrt
pow1 add-exp-log log-prod
cbrt-div add-cbrt-cube add-log-exp
flip3-+ pow1/3 rem-log-exp log-pow flip-+ distribute-lft-out
Counts
4 → 52
Calls
4 calls:
8.0ms
(cbrt (+ x y))
8.0ms
(cbrt (+ x y))
10.0ms
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))
2.0ms
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))

series441.0ms

Counts
4 → 12
Calls
4 calls:
191.0ms
(cbrt (+ x y))
183.0ms
(cbrt (+ x y))
27.0ms
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))
41.0ms
(log (fabs (/ (cbrt x) (cbrt (+ x y)))))

simplify889.0ms

Counts
64 → 64
Iterations

Useful iterations: done (887.0ms)

IterNodesCost
079716
1155686
2425618
31506612
done5001608

prune485.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 1 expressions with local error:

0.0b
(/ (exp (- y)) x)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac
associate-/r* add-cbrt-cube associate-/l*
add-exp-log associate-/l/
pow1 cbrt-undiv neg-sub0 exp-neg frac-2neg exp-diff div-exp clear-num div-inv add-log-exp
Counts
1 → 29
Calls
1 calls:
24.0ms
(/ (exp (- y)) x)

series35.0ms

Counts
1 → 3
Calls
1 calls:
35.0ms
(/ (exp (- y)) x)

simplify3.1s

Counts
32 → 32
Iterations

Useful iterations: 3 (703.0ms)

IterNodesCost
064299
1125289
2488271
33657267
done5001267

prune91.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes115.0ms

Accuracy

93.4% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 5.4b

bsearch113.0ms

Steps
ItersRangePoint
7
1.899433490407338e-14
3.541339979661634e-13
3.5038509428931215e-13
8
-9.93160793826635e+68
-5.0548110587350964e+64
-5.1279911066425243e+64

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02753
13253
done3253

end0.0ms

sample3.7s

Algorithm
intervals
Results
1.3s1512×body1280valid
660.0ms3069×body80nan
614.0ms1414×body640valid
384.0ms4962×body80valid
250.0ms850×body320valid
71.0ms430×body160valid