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[Discuss-gnuradio] 3DNow fir test failing under debian with latest unsta


From: Krzysztof Kamieniecki
Subject: [Discuss-gnuradio] 3DNow fir test failing under debian with latest unstable updates
Date: Mon, 22 Aug 2005 00:44:58 -0400
User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.8) Gecko/20050511

Hello All,

It seems like something may have broken in the 3Dnow fir code (on Debian Unstable), it may be GNURadio or it may be GCC. Has anybody seen this?


SSE seems to be faster on this processor anyways, is there a recommended way of selecting SSE over 3Dnow! ?


Some information below

***make check log:
make[3]: Entering directory 
`/home/krys/prj/gr2/gr-build/gnuradio-core/src/tests'
.Testing gr_vmcircbuf_createfilemapping_factory...
gr_vmcircbuf_createfilemapping: createfilemapping is not available
....... gr_vmcircbuf_createfilemapping_factory: Doesn't work
Testing gr_vmcircbuf_sysv_shm_factory...
....... gr_vmcircbuf_sysv_shm_factory: OK
Testing gr_vmcircbuf_mmap_shm_open_factory...
....... gr_vmcircbuf_mmap_shm_open_factory: OK
Testing gr_vmcircbuf_mmap_tmpfile_factory...
....... gr_vmcircbuf_mmap_tmpfile_factory: OK
....................................................>>> gr_fir_fff: using 3DNow!
. [generic] [3DNow!] [SSE]
. [generic] [3DNow!] [SSE]
. [generic] [3DNow!Ext]F. [generic] [3DNow!] [SSE]
. [generic] [3DNow!Ext] [3DNow!] [SSE]
. [generic] [3DNow!] [SSE]



!!!FAILURES!!!
Test Results:
Run:  59   Failures: 1   Errors: 0


1) test: qa_gr_fir_ccc::t1 (F) line: 150 qa_gr_fir_ccc.cc
equality assertion failed
- Expected: -1.29015e+08
- Actual  : -8.2333e+26


FAIL: test_all
===================
1 of 1 tests failed
===================

***GCC Info:
gcc (GCC) 4.0.2 20050816 (prerelease) (Debian 4.0.1-5)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

***CPU Info:
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 4
model name      : AMD Athlon(tm) 64 Processor 3700+
stepping        : 10
cpu MHz         : 797.986
cache size      : 1024 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow
bogomips        : 1576.96

***gnuradio-core/src/test/benchmakr_dotprod output:
   generic: taps:  256  input: 4e+07  cpu: 11.330  taps/sec:  9.038e+08
    3DNow!: taps:  256  input: 4e+07  cpu:  5.095  taps/sec:   2.01e+09
       SSE: taps:  256  input: 4e+07  cpu:  4.506  taps/sec:  2.272e+09
--
Krzysztof Kamieniecki
callsign:KB1KLB
mailto:address@hidden





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