perf: key 120000000 / takes longer than I expect

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1

C:\q>c:\q\w32\q.exe -c 80 120

KDB+ 3.2 2014.09.21 Copyright (C) 1993-2014 Kx Systems

w32/ 4()core 3783MB xxx xxx 10.254.78.39 NONEXPIRE

q)\t key 120000000

994

q)\t a:key 120000000

456

q)\t key 120000000

9304

/ what am I missing?

2

maybe insufficient readily available memory (windows swapping stuff out to satisfy this request) ?
I get

q)\t key 120000000

605

q)\t a:key 120000000

260

q)\t key 120000000

611

q).Q.w

used| 1073860560

heap| 2214592512