Details

Time bar (total: 14.2s)

sample31.0ms

Algorithm
intervals
Results
15.0ms510×body80valid

simplify2.8s

Counts
1 → 1
Iterations

Useful iterations: 4 (46.0ms)

IterNodesCost
01113
12113
25113
314813
433412
558012
671412
782712
899912
9121512
10121812
done121812

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.3b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma 4.0 (* y (- t (* z z))) (* x x))
5.9b
(* y (- t (* z z)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity prod-diff
distribute-rgt-in distribute-lft-in
pow1 add-exp-log associate-*r* add-cbrt-cube
associate-*l*
expm1-log1p-u sub-neg associate-*r/ log1p-expm1-u add-log-exp
flip3-- pow-prod-down prod-exp *-commutative flip-- cbrt-unprod fma-udef difference-of-squares unswap-sqr
Counts
2 → 43
Calls
2 calls:
0.0ms
(fma 4.0 (* y (- t (* z z))) (* x x))
9.0ms
(* y (- t (* z z)))

series150.0ms

Counts
2 → 6
Calls
2 calls:
95.0ms
(fma 4.0 (* y (- t (* z z))) (* x x))
55.0ms
(* y (- t (* z z)))

simplify1.6s

Counts
49 → 49
Iterations

Useful iterations: done (1.5s)

IterNodesCost
090619
1193612
2664525
33071517
done5000511

prune118.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.2b

localize12.0ms

Local error

Found 4 expressions with local error:

4.5b
(cbrt (* y (- t (* z z))))
5.9b
(* y (- t (* z z)))
5.9b
(* y (- t (* z z)))
5.9b
(* y (- t (* z z)))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
18×prod-diff
16×add-cube-cbrt *-un-lft-identity
15×distribute-rgt-in distribute-lft-in
12×associate-*r*
10×pow1 add-exp-log add-cbrt-cube
associate-*l*
associate-*r/
sub-neg
expm1-log1p-u flip3-- flip-- log1p-expm1-u add-log-exp
pow-prod-down prod-exp *-commutative cbrt-unprod difference-of-squares unswap-sqr
cbrt-div
cbrt-prod pow1/3
Counts
4 → 112
Calls
4 calls:
3.0ms
(cbrt (* y (- t (* z z))))
9.0ms
(* y (- t (* z z)))
9.0ms
(* y (- t (* z z)))
9.0ms
(* y (- t (* z z)))

series385.0ms

Counts
4 → 12
Calls
4 calls:
230.0ms
(cbrt (* y (- t (* z z))))
53.0ms
(* y (- t (* z z)))
50.0ms
(* y (- t (* z z)))
52.0ms
(* y (- t (* z z)))

simplify1.5s

Counts
124 → 124
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01111436
12491407
27731226
332021196
done50011178

prune404.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 3.2b

localize16.0ms

Local error

Found 4 expressions with local error:

4.5b
(cbrt (* y (- t (* z z))))
5.9b
(* y (- t (* z z)))
5.9b
(* y (- t (* z z)))
6.5b
(cbrt (- t (* z z)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×add-cube-cbrt *-un-lft-identity
12×prod-diff
10×distribute-rgt-in distribute-lft-in
pow1 add-exp-log associate-*r* add-cbrt-cube
associate-*r/ associate-*l*
cbrt-prod
expm1-log1p-u sub-neg cbrt-div flip3-- flip-- log1p-expm1-u add-log-exp
difference-of-squares
pow1/3 pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 95
Calls
4 calls:
3.0ms
(cbrt (* y (- t (* z z))))
9.0ms
(* y (- t (* z z)))
9.0ms
(* y (- t (* z z)))
2.0ms
(cbrt (- t (* z z)))

series600.0ms

Counts
4 → 12
Calls
4 calls:
227.0ms
(cbrt (* y (- t (* z z))))
51.0ms
(* y (- t (* z z)))
54.0ms
(* y (- t (* z z)))
267.0ms
(cbrt (- t (* z z)))

simplify1.9s

Counts
107 → 107
Iterations

Useful iterations: done (1.9s)

IterNodesCost
01531263
13381231
29671082
339521050
done50001038

prune415.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 3.2b

localize19.0ms

Local error

Found 4 expressions with local error:

5.9b
(* y (- t (* z z)))
6.5b
(cbrt (- t (* z z)))
6.5b
(cbrt (- t (* z z)))
6.5b
(cbrt (- t (* z z)))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
12×cbrt-prod
11×add-cube-cbrt *-un-lft-identity
pow1 add-exp-log cbrt-div prod-diff add-cbrt-cube
distribute-rgt-in distribute-lft-in
expm1-log1p-u flip3-- associate-*r* flip-- log1p-expm1-u add-log-exp difference-of-squares
pow1/3 associate-*l*
sub-neg associate-*r/
pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 81
Calls
4 calls:
9.0ms
(* y (- t (* z z)))
2.0ms
(cbrt (- t (* z z)))
2.0ms
(cbrt (- t (* z z)))
2.0ms
(cbrt (- t (* z z)))

series861.0ms

Counts
4 → 12
Calls
4 calls:
54.0ms
(* y (- t (* z z)))
266.0ms
(cbrt (- t (* z z)))
268.0ms
(cbrt (- t (* z z)))
273.0ms
(cbrt (- t (* z z)))

simplify1.8s

Counts
93 → 93
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01261125
12731088
2812976
33394938
done5001932

prune399.0ms

Pruning

9 alts after pruning (6 fresh and 3 done)

Merged error: 3.2b

regimes304.0ms

Accuracy

86.1% (0.4b remaining)

Error of 3.3b against oracle of 2.9b and baseline of 6.1b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01934
12334
done2334

end0.0ms

sample849.0ms

Algorithm
intervals
Results
475.0ms15817×body80valid