Tested on a Core2Quad (Yorksfield) Q9450 2.66 Ghz with Windows 7 64bit.

B1=250000 ATH's GMP-ECM
with asm-redc
GMP 5.0.1
ATH's GMP-ECM
no asm-redc
GMP 5.0.1
Jeff's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
no asm-redc
MPIR 2.1.1
100 digits 733ms
562ms
1326ms
561ms
717ms
609ms
717ms
515ms
780ms
530ms
200 digits 1779ms
1138ms
3260ms
1186ms
1840ms
1108ms
1935ms
826ms
1763ms
811ms
300 digits 3385ms
1997ms
6022ms
2106ms
3354ms
1810ms
3151ms
1280ms
3307ms
1295ms
350 digits 4587ms
2464ms
8081ms
2621ms
4602ms
2231ms
4305ms
1591ms
4508ms
1607ms
400 digits 9360ms
3292ms
9796ms
3245ms
5866ms
2652ms
5444ms
1872ms
5413ms
1809ms
500 digits 14056ms
4617ms
13728ms
4540ms
8049ms
3510ms
7831ms
2465ms
7785ms
2480ms
550 digits 17379ms
5460ms
17441ms
5398ms
9796ms
4072ms
9531ms
2839ms
9485ms
2870ms
600 digits 19953ms
7098ms
20389ms
7083ms

11373ms
3447ms
11403ms
3432ms
700 digits 26037ms
9734ms
26910ms
9688ms

15288ms
4680ms
15225ms
4680ms
800 digits 32277ms
10280ms
33212ms
10281ms

18876ms
5179ms
18907ms
5132ms
900 digits 41262ms
12652ms
40575ms
12777ms

23229ms
6115ms
23322ms
6084ms
1000 digits 48875ms
14367ms
49250ms
14258ms

27659ms
6833ms
27659ms
6786ms
2000 digits 174830ms
38455ms
175049ms
38672ms

88609ms
18205ms
87968ms
18175ms
B1=1000000 ATH's GMP-ECM
with asm-redc
GMP 5.0.1
ATH's GMP-ECM
no asm-redc
GMP 5.0.1
Jeff's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
no asm-redc
MPIR 2.1.1
100 digits 2979ms
2979ms
5335ms
2512ms
2886ms
2589ms
2824ms
2090ms
3104ms
2075ms
200 digits 7207ms
4743ms
12199ms
5164ms
7332ms
4773ms
7722ms
3479ms
7145ms
3448ms
300 digits 13619ms
8252ms
24071ms
9048ms
13744ms
7628ms
12761ms
5366ms
13182ms
5428ms
350 digits 18377ms
10296ms
32745ms
11357ms
18439ms
9251ms
17238ms
6599ms
18252ms
6755ms
400 digits 38610ms
14040ms
39296ms
13947ms
23462ms
11232ms
21840ms
7722ms
21513ms
8190ms
500 digits 55006ms
19843ms
56894ms
19562ms
32168ms
14788ms
31559ms
10577ms
31622ms
10530ms
550 digits 69389ms
23697ms
69982ms
23385ms
39234ms
17285ms
38235ms
12309ms
38033ms
11981ms
600 digits 81869ms
20452ms
81760ms
20405ms

45334ms
9703ms
45661ms
9750ms
700 digits 108202ms
23182ms
104552ms
23119ms

60326ms
11559ms
60949ms
11388ms
800 digits 133319ms
28829ms
129621ms
29126ms

76315ms
13931ms
75894ms
13837ms
900 digits 162787ms
32932ms
165595ms
32776ms

93476ms
16130ms
93648ms
15896ms
1000 digits 197856ms
38595ms
195828ms
38642ms

110838ms
18424ms
111759ms
18517ms
2000 digits 701630ms
102477ms
702644ms
102679ms

353998ms
47252ms
351532ms
47440ms
B1=3000000 ATH's GMP-ECM
with asm-redc
ATH's GMP-ECM
no asm-redc
Jeff's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
with asm-redc
MPIR 2.1.1
ATH's GMP-ECM
no asm-redc
MPIR 2.1.1
100 digits 8986ms
5195ms
15959ms
5491ms
8923ms
6209ms
8518ms
4602ms
9282ms
4633ms
200 digits 21497ms
10827ms
36863ms
11559ms
21918ms
11403ms
20373ms
7909ms
21357ms
8112ms
300 digits 40872ms
18892ms
72322ms
20092ms
40497ms
18221ms
38330ms
12573ms
39437ms
12651ms
350 digits 55302ms
23713ms
98484ms
25474ms
55193ms
22136ms
51870ms
15272ms
54522ms
15475ms
400 digits 114614ms
31731ms
114130ms
31184ms
70637ms
26770ms
65660ms
18190ms
64600ms
18127ms
500 digits 165314ms
45116ms
165798ms
44320ms
96970ms
35553ms
94459ms
24788ms
95379ms
24788ms
550 digits 208698ms
53212ms
209244ms
52120ms
118264ms
40873ms
115706ms
28174ms
114505ms
28174ms
600 digits 246637ms
55084ms
246372ms
55022ms

136266ms
26989ms
136968ms
26708ms
700 digits 325730ms
70965ms
313686ms
70996ms

184533ms
34086ms
183301ms
34117ms
800 digits 390189ms
80887ms
401359ms
80934ms

227871ms
39936ms
228198ms
39671ms
900 digits 498906ms
95707ms
498111ms
95613ms

280006ms
46348ms
280474ms
46348ms
1000 digits 591118ms
106908ms
589699ms
106955ms

333561ms
52167ms
334217ms
51839ms
2000 digits 2113205ms
293579ms
2116574ms
293547ms

1066859ms
139356ms
1062726ms
139121ms
B1=11000000 ATH's GMP-ECM
with asm-redc
ATH's GMP-ECM
no asm-redc
Jeff's GMP-ECM
with asm-redc
100 digits 32838ms
16676ms
54413ms
18159ms
32760ms
19984ms
200 digits 78905ms
34351ms
140042ms
38298ms
80356ms
36380ms
300 digits 149418ms
59686ms
254703ms
66987ms
153177ms
58033ms
350 digits 203612ms
74958ms
343483ms
84459ms
203082ms
70964ms
400 digits 413091ms
104442ms
420672ms
103101ms
259196ms
85832ms
500 digits 608591ms
150353ms
610572ms
147873ms
356556ms
114068ms
550 digits 753250ms
176578ms
754764ms
174378ms
434868ms
131073ms
600 digits 884916ms
192084ms
884869ms
192630ms

700 digits 1156981ms
238057ms
1153736ms
237902ms

800 digits 1434445ms
285544ms
1434008ms
285420ms

B1=43000000 ATH's GMP-ECM
with asm-redc
ATH's GMP-ECM
no asm-redc
Jeff's GMP-ECM
with asm-redc
100 digits 130916ms
51153ms
216076ms
55240ms
128483ms
62182ms
200 digits 308851ms
106205ms
540388ms
117609ms
314841ms
113303ms
300 digits 587983ms
186687ms
997829ms
206639ms
596563ms
181008ms
400 digits 1648228ms
327072ms
1617979ms
317931ms
1015519ms
265264ms
500 digits 2386332ms
469391ms
2391136ms
454462ms
1395850ms
352126ms
600 digits 3463722ms
538531ms
3460882ms
537143ms

700 digits 4531314ms
682489ms
4520925ms
683362ms