Fitter Comparison

Summary tables include number of entries for (q/p)rec/(q/p)gen and number of tracks without TRT extensions ( Silicon only )

Gaussian Sum Filter ran in 15.0.0 with Trk__QuickCloseComponentsMultiStateMerger

Fitter Comparison 15.0.0

Pt = 1GeV Electrons 2500 events mc08.005127.singlepart_e_pt1.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Global Chi2 624 624 514 412 120
Kalman 617 617 526 430 150
DNA 617 617 531 449 122
agg DNA 617 617 539 471 110
Gaussian Sum 623 621 552 498 104
1.6>eta>0.8 Global Chi2 542 541 422 277 214
Kalman 537 536 436 315 250
DNA 541 540 456 355 207
agg DNA 544 543 471 395 197
Gaussian Sum 548 544 493 417 212
eta>1.6 Global Chi2 476 473 251 140 328
Kalman 469 468 259 139 336
DNA 475 475 273 155 329
agg DNA 478 478 307 197 327
Gaussian Sum 488 481 364 243 331

Fitter Comparison devrel2 (10March)

Pt = 1GeV Electrons 2500 events mc08.005127.singlepart_e_pt1.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Global Chi2 626 626 516 414 121
Kalman 618 618 527 431 151
DNA 618 618 532 450 123
1.6>eta>0.8 Global Chi2 545 544 425 280 216
Kalman 540 539 439 318 252
DNA 544 543 459 358 209
eta>1.6 Global Chi2 485 481 259 147 334
Kalman 477 475 266 145 342
DNA 484 482 279 161 335

Pt = 5GeV Electrons 2500 events mc08.005128.singlepart_e_pt5.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Global Chi2 685 631 541 433 112
test GXF 685 631 541 433 112
Kalman 682 631 558 484 151
DNA 684 633 567 497 105
agg DNA 684 632 575 514 79
test agg 685 640 571 498 79
Gaussian Sum 687 637 582 531 42
1.6>eta>0.8 Global Chi2 637 544 370 239 177
test GXF 637 544 370 239 177
Kalman 632 547 416 278 219
DNA 638 556 443 330 152
agg DNA 638 563 467 366 145
test agg 638 580 469 360 151
Gaussian Sum 636 573 490 394 65
eta>1.6 Global Chi2 691 478 257 143 432
test GXF 691 478 257 143 432
Kalman 686 483 266 147 458
DNA 688 489 276 154 441
agg DNA 688 507 309 183 432
test agg 690 519 331 201 435
Gaussian Sum 694 545 386 247 410

Pt = 100 GeV Electrons 2500 events mc08.005129.singlepart_e_pt100.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Global Chi2 675 583 423 321 50
Kalman 677 604 442 325 48
DNA 679 611 463 343 43
agg DNA 715 651 534 392 10
Gaussian Sum 715 654 529 398 12
1.6>eta>0.8 Global Chi2 679 506 302 192 104
Kalman 674 527 316 198 101
DNA 674 534 355 222 86
agg DNA 692 569 428 277 20
Gaussian Sum 692 569 418 266 18
eta>1.6 Global Chi2 842 523 258 128 561
Kalman 842 527 257 137 560
DNA 840 526 264 136 551
agg DNA 842 535 294 163 488
Gaussian Sum 842 530 293 163 489

Pt = 5GeV Pions 2500 eventsmc08.005131.singlepart_singlepi_pt5.digit.RDO.e342_s483(14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Global Chi2 627 627 627 619 29
Kalman 626 625 623 620 38
DNA 626 625 623 621 35
1.6>eta>0.8 Global Chi2 576 576 573 564 44
Kalman 576 576 574 566 47
DNA 575 575 572 568 47
eta>1.6 Global Chi2 695 693 689 651 370
Kalman 694 692 690 657 369
DNA 695 691 685 648 368

-- SueCheatham - 23 Mar 2009

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