Name: elC94547 Date: 09/29/2000



Java 2 SDK 1.3.1-b1 (solx86) intermittantly fails the testbase_nsk tests:
    nsk/stress/numeric/numeric001
    nsk/stress/numeric/numeric002
    nsk/stress/numeric/numeric005
    nsk/stress/numeric/numeric006
    nsk/stress/numeric/numeric009
    nsk/stress/numeric/numeric010
which check JVM accuracy in intensive numeric calculations. The tests
numeric001,002,010 check if a matrix product AxA is correctly computed
in multi-thread calculations, and the tests numeric005,006,009 check
if a matrix product AxA is correctly computed in single thread.

The newly observed failures looks like regression of the known bug previously
fixed in HS 1.0.1 and in HS 1.3 (both on Solaris for SPARC):
    4259964 (P3/S3) intermittent error in multi-thread numeric calculations

To reproduce these failures, please try the mentioned tests found below
the 'src' directory in the testbase:
    /net/sqesvr/export/vsn/VM/testbase/testbase_nsk

Compile those tests as follows:
    javac numeric001.java
    . . .
    javac numeric010.java

Start those tests as follows:
    java numeric001 300
    java numeric002 300
    java numeric010 200
and as:
    java numeric005 300 3
    java numeric006 300 3
    java numeric009 200 2

Here:
    200,300: matrix size (200x200 or 300x300),
             and number of threads for multi-thread tests,
    2,3: number of iterations in single-thread tests.

======================================================================