Details

Time bar (total: 17.4s)

sample65.0ms

Algorithm
intervals
Results
31.0ms287×body80valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (22.0ms)

IterNodesCost
01011
11811
23311
36110
411210
515710
620710
725110
830210
938710
1048510
1155310
1261710
1364510
done64510

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ y (- z a))
2.1b
(fma (/ y (- z a)) (- z t) x)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r*
add-exp-log add-cbrt-cube distribute-lft-out-- difference-of-squares
associate-/l*
pow1 expm1-log1p-u associate-/r/ log1p-expm1-u add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp clear-num flip-- fma-udef div-inv
Counts
2 → 49
Calls
2 calls:
23.0ms
(/ y (- z a))
1.0ms
(fma (/ y (- z a)) (- z t) x)

series183.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(/ y (- z a))
137.0ms
(fma (/ y (- z a)) (- z t) x)

simplify2.1s

Counts
55 → 55
Iterations

Useful iterations: 4 (774.0ms)

IterNodesCost
092552
1171535
2369495
3790495
42344494
done5000494

prune639.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize28.0ms

Local error

Found 4 expressions with local error:

2.1b
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (cbrt (/ y (- z a)))) (- z t) x)
12.3b
(cbrt (/ y (- z a)))
12.3b
(cbrt (/ y (- z a)))
12.3b
(cbrt (/ y (- z a)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
63×cbrt-prod
49×add-sqr-sqrt *-un-lft-identity
45×times-frac
31×add-cube-cbrt
distribute-lft-out-- difference-of-squares
associate-/r/
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 flip-- div-inv
fma-udef
Counts
4 → 106
Calls
4 calls:
0.0ms
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (cbrt (/ y (- z a)))) (- z t) x)
12.0ms
(cbrt (/ y (- z a)))
12.0ms
(cbrt (/ y (- z a)))
14.0ms
(cbrt (/ y (- z a)))

series1.1s

Counts
4 → 12
Calls
4 calls:
177.0ms
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (cbrt (/ y (- z a)))) (- z t) x)
288.0ms
(cbrt (/ y (- z a)))
336.0ms
(cbrt (/ y (- z a)))
251.0ms
(cbrt (/ y (- z a)))

simplify2.7s

Counts
118 → 118
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01371735
12281675
24561454
311131400
432741361
done50001349

prune660.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

localize49.0ms

Local error

Found 4 expressions with local error:

2.1b
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (* (cbrt (* (cbrt y) (cbrt y))) (cbrt (/ (cbrt y) (- z a))))) (- z t) x)
3.2b
(cbrt (/ (cbrt y) (- z a)))
12.3b
(cbrt (/ y (- z a)))
12.3b
(cbrt (/ y (- z a)))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
93×cbrt-prod
63×add-sqr-sqrt *-un-lft-identity
60×times-frac
39×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r/
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-div flip3-- pow1/3 flip-- div-inv
fma-udef
Counts
4 → 121
Calls
4 calls:
1.0ms
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (* (cbrt (* (cbrt y) (cbrt y))) (cbrt (/ (cbrt y) (- z a))))) (- z t) x)
17.0ms
(cbrt (/ (cbrt y) (- z a)))
13.0ms
(cbrt (/ y (- z a)))
13.0ms
(cbrt (/ y (- z a)))

series1.2s

Counts
4 → 12
Calls
4 calls:
165.0ms
(fma (* (* (cbrt (/ y (- z a))) (cbrt (/ y (- z a)))) (* (cbrt (* (cbrt y) (cbrt y))) (cbrt (/ (cbrt y) (- z a))))) (- z t) x)
502.0ms
(cbrt (/ (cbrt y) (- z a)))
260.0ms
(cbrt (/ y (- z a)))
322.0ms
(cbrt (/ y (- z a)))

simplify2.1s

Counts
133 → 133
Iterations

Useful iterations: done (2.1s)

IterNodesCost
02572202
14362120
29352011
324961984
done50011941

prune965.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (- z t) (/ y (- z a)) x))
2.1b
(fma (- z t) (/ y (- z a)) x)
2.1b
(fma (- z t) (/ y (- z a)) x)
2.1b
(fma (- z t) (/ y (- z a)) x)

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
cbrt-prod fma-udef
pow1/3
Counts
4 → 43
Calls
4 calls:
2.0ms
(cbrt (fma (- z t) (/ y (- z a)) x))
1.0ms
(fma (- z t) (/ y (- z a)) x)
1.0ms
(fma (- z t) (/ y (- z a)) x)
1.0ms
(fma (- z t) (/ y (- z a)) x)

series1.1s

Counts
4 → 12
Calls
4 calls:
643.0ms
(cbrt (fma (- z t) (/ y (- z a)) x))
132.0ms
(fma (- z t) (/ y (- z a)) x)
133.0ms
(fma (- z t) (/ y (- z a)) x)
147.0ms
(fma (- z t) (/ y (- z a)) x)

simplify1.2s

Counts
55 → 55
Iterations

Useful iterations: 4 (394.0ms)

IterNodesCost
047715
184713
2159631
3406624
41517620
done5002620

prune318.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes259.0ms

Accuracy

76.2% (0.7b remaining)

Error of 0.7b against oracle of 0.0b and baseline of 3.0b

bsearch1.0ms

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01855
12346
done2346

end0.0ms

sample1.2s

Algorithm
intervals
Results
573.0ms8791×body80valid