Details

Time bar (total: 21.9s)

sample111.0ms

Algorithm
intervals
Results
35.0ms289×body80nan
23.0ms293×body80valid

simplify3.5s

Counts
1 → 1
Iterations

Useful iterations: 5 (2.4s)

IterNodesCost
01516
13016
28815
328015
4104015
5421314
done500014

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(- 1 (log t))
0.0b
(fma b (- a 0.5) (fma (- 1 (log t)) z y))
0.1b
(fma (- 1 (log t)) z y)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
16×*-un-lft-identity
15×add-sqr-sqrt
12×add-cube-cbrt prod-diff
pow1
log-pow add-log-exp
add-exp-log expm1-log1p-u log-prod fma-neg add-cbrt-cube log1p-expm1-u associate--r+
fma-udef distribute-lft-out-- difference-of-squares
sub-neg flip3-- diff-log flip--
Counts
3 → 56
Calls
3 calls:
14.0ms
(- 1 (log t))
0.0ms
(fma b (- a 0.5) (fma (- 1 (log t)) z y))
0.0ms
(fma (- 1 (log t)) z y)

series478.0ms

Counts
3 → 9
Calls
3 calls:
193.0ms
(- 1 (log t))
146.0ms
(fma b (- a 0.5) (fma (- 1 (log t)) z y))
139.0ms
(fma (- 1 (log t)) z y)

simplify1.0s

Counts
65 → 65
Iterations

Useful iterations: done (999.0ms)

IterNodesCost
0122843
1269663
2914540
done5000502

prune339.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t))) z y)
0.3b
(- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t)))
0.6b
(cbrt t)
0.6b
(cbrt t)

rewrite64.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
20×add-sqr-sqrt
18×add-cube-cbrt prod-diff
cbrt-prod
pow1
log-pow add-log-exp
log-prod associate--r+
pow1/3 associate--l+
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-neg diff-log
sub-neg distribute-lft-out--
associate--l- flip3-- flip-- fma-udef difference-of-squares
Counts
4 → 84
Calls
4 calls:
0.0ms
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t))) z y)
59.0ms
(- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t)))
1.0ms
(cbrt t)
1.0ms
(cbrt t)

series1.4s

Counts
4 → 12
Calls
4 calls:
313.0ms
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t))) z y)
466.0ms
(- (- 1 (* 2 (log (cbrt t)))) (log (cbrt t)))
306.0ms
(cbrt t)
292.0ms
(cbrt t)

simplify2.6s

Counts
96 → 96
Iterations

Useful iterations: done (2.6s)

IterNodesCost
01431501
13301322
21394860
done5000606

prune560.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize36.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma b (- a 0.5) (fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y)))
0.1b
(fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y))
0.3b
(* (log (* (cbrt (- t)) (cbrt -1))) z)
0.6b
(cbrt (- t))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×cbrt-prod
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log associate-*l* add-cbrt-cube
expm1-log1p-u log1p-expm1-u add-log-exp
distribute-lft-neg-in distribute-rgt-neg-in pow1/3 associate-*r* pow-prod-down log-pow
fma-udef
neg-mul-1 prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 63
Calls
4 calls:
1.0ms
(fma b (- a 0.5) (fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y)))
1.0ms
(fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y))
45.0ms
(* (log (* (cbrt (- t)) (cbrt -1))) z)
3.0ms
(cbrt (- t))

series1.4s

Counts
4 → 12
Calls
4 calls:
449.0ms
(fma b (- a 0.5) (fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y)))
397.0ms
(fma -3 (* (log (* (cbrt (- t)) (cbrt -1))) z) (+ z y))
242.0ms
(* (log (* (cbrt (- t)) (cbrt -1))) z)
281.0ms
(cbrt (- t))

simplify539.0ms

Counts
75 → 75
Iterations

Useful iterations: done (535.0ms)

IterNodesCost
0126998
1247972
2831855
done5000847

prune597.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3))) z y)
0.3b
(- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3)))
0.6b
(cbrt t)
5.0b
(pow (/ 1 t) -1/3)

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt *-un-lft-identity
30×add-cube-cbrt
26×unpow-prod-down
18×times-frac
17×log-prod associate--r+
15×prod-diff
add-exp-log
add-log-exp
pow1
associate--l+
expm1-log1p-u pow-exp add-cbrt-cube log1p-expm1-u
cbrt-prod pow-unpow pow-pow fma-neg diff-log log-pow
sub-neg div-exp div-inv sqr-pow
associate--l- pow-to-exp rec-exp flip3-- pow-flip pow1/3 1-exp flip-- fma-udef distribute-lft-out-- inv-pow difference-of-squares
Counts
4 → 112
Calls
4 calls:
0.0ms
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3))) z y)
59.0ms
(- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3)))
1.0ms
(cbrt t)
17.0ms
(pow (/ 1 t) -1/3)

series1.9s

Counts
4 → 12
Calls
4 calls:
426.0ms
(fma (- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3))) z y)
870.0ms
(- (- 1 (* 2 (log (cbrt t)))) (log (pow (/ 1 t) -1/3)))
283.0ms
(cbrt t)
320.0ms
(pow (/ 1 t) -1/3)

simplify2.1s

Counts
124 → 124
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02482211
16721756
223371307
done50011015

prune785.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes500.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02224
12624
done2624

end0.0ms

sample3.8s

Algorithm
intervals
Results
972.0ms9123×body80valid
844.0ms8995×body80nan
1.0msbody1280valid
1.0msbody640valid
0.0msbody320valid
0.0msbody160valid