Details

Time bar (total: 38.3s)

sample164.0ms

Algorithm
intervals
Results
41.0ms55×body1280valid
34.0ms47×body10240exit
20.0ms52×body640valid
15.0ms76×body80nan
9.0ms103×body80valid
8.0ms31×body320valid
5.0msbody2560valid
2.0ms10×body640nan
2.0ms14×body160valid
2.0msbody1280nan
2.0msbody320nan
0.0msbody160nan

simplify17.3s

Counts
1 → 1
Iterations
IterNodes
done5000
2304994
2294969
2284959
2274946
2264940
2254919
2244909
2234892
2224886
2214861
2204855
2194842
2184836
2174815
2164805
2154788
2144782
2134757
2124751
2114738
2104732
2094711
2084701
2074684
2064678
2054653
2044647
2034634
2024628
2014607
2004597
1994580
1984574
1974549
1964541
1954528
1944522
1934501
1924495
1914478
1904472
1894447
1884441
1874428
1864422
1854401
1844391
1834374
1824368
1814343
1804337
1794324
1784318
1774297
1764289
1754272
1744266
1734241
1724235
1714222
1704216
1694195
1684185
1674168
1664162
1654137
1644131
1634118
1624112
1614091
1604083
1594066
1584060
1574035
1564025
1554012
1544006
1533985
1523975
1513958
1503952
1493927
1483917
1473904
1463898
1453877
1443871
1433854
1423848
1413823
1403813
1393800
1383794
1373773
1363767
1353750
1343744
1333719
1323711
1313698
1303692
1293671
1283663
1273646
1263640
1253615
1243605
1233592
1223586
1213565
1203559
1193542
1183536
1173511
1163501
1153488
1143482
1133461
1123453
1113436
1103430
1093405
1083395
1073382
1063376
1053355
1043345
1033328
1023322
1013297
1003291
993278
983272
973251
963241
953224
943218
933193
923185
913172
903166
893145
883137
873120
863114
853089
843083
833070
823064
813043
803033
793016
783010
772985
762979
752966
742960
732939
722933
712916
702910
692885
682877
672864
662858
652837
642827
632810
622804
612779
602771
592758
582752
572731
562723
552706
542700
532675
522669
512656
502650
492629
482619
472602
462596
452571
442565
432552
422546
412525
402517
392500
382494
372469
362461
352448
342442
332421
322413
312396
302390
292365
282359
272346
262340
252319
242309
232292
222286
212261
202253
192240
182234
172213
162187
152170
142164
132139
122095
111735
101206
9788
8572
7448
6253
5127
477
353
235
120
012

prune15.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.2b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (log (fma (expm1 z) y 1.0)) t))
0.1b
(/ (log (fma (expm1 z) y 1.0)) t)
2.6b
(log (fma (expm1 z) y 1.0))

rewrite39.0ms

Algorithm
rewrite-expression-head
Rules
59×add-sqr-sqrt
56×*-un-lft-identity
54×add-cube-cbrt
49×times-frac
48×prod-diff
17×pow1
14×log-pow
add-exp-log
add-cbrt-cube add-log-exp
div-inv associate-/l*
expm1-log1p-u log-prod associate-/r* fma-neg log1p-expm1-u
difference-of-squares
cbrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log div-exp rem-log-exp flip-- distribute-lft-out--
Counts
3 → 115
Calls
3 calls:
20.0ms
(- x (/ (log (fma (expm1 z) y 1.0)) t))
12.0ms
(/ (log (fma (expm1 z) y 1.0)) t)
1.0ms
(log (fma (expm1 z) y 1.0))

series340.0ms

Counts
3 → 9
Calls
3 calls:
109.0ms
(- x (/ (log (fma (expm1 z) y 1.0)) t))
165.0ms
(/ (log (fma (expm1 z) y 1.0)) t)
67.0ms
(log (fma (expm1 z) y 1.0))

simplify1.9s

Counts
124 → 124
Iterations
IterNodes
done5000
21693
1617
0250

prune703.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.3b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (log (fma (expm1 z) y 1.0)) (log (fma (expm1 z) y 1.0)))
2.6b
(log (fma (expm1 z) y 1.0))
2.6b
(log (fma (expm1 z) y 1.0))
2.6b
(log (fma (expm1 z) y 1.0))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
15×add-sqr-sqrt log-prod *-un-lft-identity
13×add-cube-cbrt
add-exp-log log-pow
add-cbrt-cube swap-sqr
expm1-log1p-u associate-*r* associate-*l* log1p-expm1-u add-log-exp
distribute-rgt-in distribute-lft-in rem-log-exp
pow2 pow-plus pow-prod-down prod-exp pow-sqr *-commutative pow-prod-up cbrt-unprod unswap-sqr
Counts
4 → 80
Calls
4 calls:
8.0ms
(* (log (fma (expm1 z) y 1.0)) (log (fma (expm1 z) y 1.0)))
1.0ms
(log (fma (expm1 z) y 1.0))
1.0ms
(log (fma (expm1 z) y 1.0))
1.0ms
(log (fma (expm1 z) y 1.0))

series334.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(* (log (fma (expm1 z) y 1.0)) (log (fma (expm1 z) y 1.0)))
71.0ms
(log (fma (expm1 z) y 1.0))
81.0ms
(log (fma (expm1 z) y 1.0))
76.0ms
(log (fma (expm1 z) y 1.0))

simplify1.8s

Counts
92 → 92
Iterations
IterNodes
done5001
21431
1432
0141

prune749.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 4.3b

localize32.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
2.6b
(log (fma (expm1 z) y 1.0))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
log-prod pow1/3
rem-log-exp log-pow
Counts
4 → 53
Calls
4 calls:
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(cbrt x)
1.0ms
(log (fma (expm1 z) y 1.0))

series818.0ms

Counts
4 → 12
Calls
4 calls:
256.0ms
(cbrt x)
228.0ms
(cbrt x)
262.0ms
(cbrt x)
72.0ms
(log (fma (expm1 z) y 1.0))

simplify1.7s

Counts
65 → 65
Iterations
IterNodes
done5001
31623
2508
1188
088

prune529.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.3b

localize30.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (log (fma (expm1 z) y 1.0))) t)
0.1b
(* (sqrt (log (fma (expm1 z) y 1.0))) (/ (sqrt (log (fma (expm1 z) y 1.0))) t))
2.6b
(log (fma (expm1 z) y 1.0))
2.6b
(log (fma (expm1 z) y 1.0))

rewrite31.0ms

Algorithm
rewrite-expression-head
Rules
54×add-sqr-sqrt
46×times-frac
38×*-un-lft-identity add-cube-cbrt
37×sqrt-prod
25×associate-*r*
16×pow1
13×add-exp-log
11×add-cbrt-cube
10×log-pow
associate-*l* associate-/l*
log-prod unswap-sqr
expm1-log1p-u log1p-expm1-u add-log-exp
associate-/r*
cbrt-undiv div-exp rem-log-exp prod-exp cbrt-unprod div-inv
clear-num frac-2neg pow-prod-down associate-*r/ *-commutative
Counts
4 → 127
Calls
4 calls:
6.0ms
(/ (sqrt (log (fma (expm1 z) y 1.0))) t)
20.0ms
(* (sqrt (log (fma (expm1 z) y 1.0))) (/ (sqrt (log (fma (expm1 z) y 1.0))) t))
1.0ms
(log (fma (expm1 z) y 1.0))
1.0ms
(log (fma (expm1 z) y 1.0))

series846.0ms

Counts
4 → 12
Calls
4 calls:
507.0ms
(/ (sqrt (log (fma (expm1 z) y 1.0))) t)
181.0ms
(* (sqrt (log (fma (expm1 z) y 1.0))) (/ (sqrt (log (fma (expm1 z) y 1.0))) t))
71.0ms
(log (fma (expm1 z) y 1.0))
86.0ms
(log (fma (expm1 z) y 1.0))

simplify1.7s

Counts
139 → 139
Iterations
IterNodes
done5002
21607
1511
0211

prune1.1s

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.8b

regimes840.0ms

Accuracy

46% (4.2b remaining)

Error of 8.0b against oracle of 3.7b and baseline of 11.6b

bsearch244.0ms

Steps
ItersRangePoint
8
1.5544988602664075e-89
1.5773640188552697e-86
2.8447097992841593e-88
7
-1.7206091677840204e-53
-3.02122600279542e-55
-3.887828973606996e-55

simplify13.0ms

Iterations
IterNodes
done37
137
030

end0.0ms

sample7.1s

Algorithm
intervals
Results
1.8s1444×body1280valid
1.7s1538×body10240exit
947.0ms1584×body640valid
944.0ms3526×body80valid
306.0ms919×body320valid
271.0ms2502×body80nan
165.0ms83×body2560valid
121.0ms476×body160valid
99.0ms256×body640nan
67.0ms127×body1280nan
48.0ms185×body320nan
18.0ms108×body160nan