git: openjdk/jcstress: Make "sanity" even faster: coarser VMs, shallower strides, near-zero test time

[duke]

Changeset: c2974120
Author:    Aleksey Shipilev <shade at redhat.com>
Date:      2020-10-06 16:54:37 +0000
URL:       https://git.openjdk.java.net/jcstress/commit/c2974120

Make "sanity" even faster: coarser VMs, shallower strides, near-zero test time

! jcstress-core/src/main/java/org/openjdk/jcstress/Options.java
! jcstress-core/src/main/java/org/openjdk/jcstress/infra/processors/JCStressTestProcessor.java