Details

Time bar (total: 32.3s)

sample273.0ms

Algorithm
intervals
Results
70.0ms40×body10240exit
57.0ms56×body1280valid
35.0ms51×body640valid
16.0ms100×body80valid
13.0msbody2560valid
12.0ms26×body320valid
8.0ms78×body80nan
6.0ms19×body160valid
4.0ms11×body320nan
3.0msbody640nan
1.0msbody160nan
1.0msbody1280nan

simplify6.9s

Counts
1 → 1
Iterations
IterNodes
done5000
124180
112096
101513
9971
8550
7350
6232
5144
477
353
235
120
012

prune25.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 11.8b

localize32.0ms

Local error

Found 2 expressions with local error:

0.1b
(/ (log (fma (expm1 z) y 1.0)) t)
5.0b
(log (fma (expm1 z) y 1.0))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt
pow1
add-exp-log log-pow
add-cbrt-cube associate-/l*
log-prod associate-/r*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg div-exp rem-log-exp div-inv
Counts
2 → 49
Calls
2 calls:
12.0ms
(/ (log (fma (expm1 z) y 1.0)) t)
3.0ms
(log (fma (expm1 z) y 1.0))

series306.0ms

Counts
2 → 6
Calls
2 calls:
192.0ms
(/ (log (fma (expm1 z) y 1.0)) t)
114.0ms
(log (fma (expm1 z) y 1.0))

simplify2.5s

Counts
55 → 55
Iterations
IterNodes
done5002
32821
2790
1283
0130

prune396.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.6b

localize44.0ms

Local error

Found 4 expressions with local error:

0.5b
(sqrt (fma (expm1 z) y 1.0))
0.5b
(sqrt (fma (expm1 z) y 1.0))
4.5b
(log (sqrt (fma (expm1 z) y 1.0)))
4.5b
(log (sqrt (fma (expm1 z) y 1.0)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt log-prod sqrt-prod
10×pow1 *-un-lft-identity add-cube-cbrt
add-exp-log log-pow
expm1-log1p-u sqrt-pow1 add-cbrt-cube pow1/2 insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square rem-log-exp
Counts
4 → 72
Calls
4 calls:
2.0ms
(sqrt (fma (expm1 z) y 1.0))
2.0ms
(sqrt (fma (expm1 z) y 1.0))
3.0ms
(log (sqrt (fma (expm1 z) y 1.0)))
4.0ms
(log (sqrt (fma (expm1 z) y 1.0)))

series833.0ms

Counts
4 → 12
Calls
4 calls:
144.0ms
(sqrt (fma (expm1 z) y 1.0))
309.0ms
(sqrt (fma (expm1 z) y 1.0))
156.0ms
(log (sqrt (fma (expm1 z) y 1.0)))
224.0ms
(log (sqrt (fma (expm1 z) y 1.0)))

simplify2.9s

Counts
84 → 84
Iterations
IterNodes
done5000
22293
1594
0210

prune740.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.6b

localize32.0ms

Local error

Found 2 expressions with local error:

0.1b
(* (log (fma (expm1 z) y 1.0)) (/ 1 t))
5.0b
(log (fma (expm1 z) y 1.0))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
13×associate-*r*
12×*-un-lft-identity add-exp-log
11×times-frac add-cube-cbrt
add-cbrt-cube
pow1
associate-*l* prod-exp
log-prod unswap-sqr
expm1-log1p-u div-exp log-pow cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv rec-exp 1-exp rem-log-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Counts
2 → 55
Calls
2 calls:
17.0ms
(* (log (fma (expm1 z) y 1.0)) (/ 1 t))
2.0ms
(log (fma (expm1 z) y 1.0))

series297.0ms

Counts
2 → 6
Calls
2 calls:
209.0ms
(* (log (fma (expm1 z) y 1.0)) (/ 1 t))
88.0ms
(log (fma (expm1 z) y 1.0))

simplify2.0s

Counts
61 → 61
Iterations
IterNodes
done5003
33331
21096
1377
0153

prune380.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 3.6b

localize47.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (fma (expm1 z) y 1.0))
0.6b
(cbrt (fma (expm1 z) y 1.0))
4.5b
(log (cbrt (fma (expm1 z) y 1.0)))
4.8b
(log (* (cbrt (fma (expm1 z) y 1.0)) (cbrt (fma (expm1 z) y 1.0))))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
13×pow1
11×log-pow
cbrt-prod pow1/3
add-sqr-sqrt *-un-lft-identity add-exp-log add-cube-cbrt
log-prod
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp
rem-log-exp
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp
Counts
4 → 69
Calls
4 calls:
1.0ms
(cbrt (fma (expm1 z) y 1.0))
1.0ms
(cbrt (fma (expm1 z) y 1.0))
2.0ms
(log (cbrt (fma (expm1 z) y 1.0)))
8.0ms
(log (* (cbrt (fma (expm1 z) y 1.0)) (cbrt (fma (expm1 z) y 1.0))))

series713.0ms

Counts
4 → 12
Calls
4 calls:
186.0ms
(cbrt (fma (expm1 z) y 1.0))
166.0ms
(cbrt (fma (expm1 z) y 1.0))
154.0ms
(log (cbrt (fma (expm1 z) y 1.0)))
207.0ms
(log (* (cbrt (fma (expm1 z) y 1.0)) (cbrt (fma (expm1 z) y 1.0))))

simplify2.7s

Counts
81 → 81
Iterations
IterNodes
done5010
21596
1470
0182

prune1.1s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.6b

regimes608.0ms

Accuracy

48% (4.0b remaining)

Error of 7.5b against oracle of 3.5b and baseline of 11.2b

bsearch479.0ms

Steps
ItersRangePoint
8
1.420916407840857e-121
1.7173713759258274e-118
1.5179641018211793e-121
5
9.841725025012944e-139
2.5397497498267892e-138
2.2704556920605612e-138
8
-3.0472952012619954e-45
-2.4918485500733093e-48
-8.129712844584067e-48

simplify25.0ms

Iterations
IterNodes
done49
349
246
143
034

end0.0ms

sample8.9s

Algorithm
intervals
Results
2.1s1521×body10240exit
1.8s1496×body1280valid
1.5s1546×body640valid
720.0ms2568×body80nan
610.0ms3566×body80valid
548.0ms288×body640nan
537.0ms857×body320valid
229.0ms95×body2560valid
143.0ms465×body160valid
82.0ms203×body320nan
76.0ms98×body1280nan
27.0ms110×body160nan