Update Changelog for 1.0 release.
Update version string and install doc. Add Fixed-Block Deduplication tests.
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13
Changelog
13
Changelog
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@ -1,3 +1,16 @@
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== 1.0.0 Stable Release ==
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Fix chunk flag setup when compression fails in adaptive mode.
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Prevent display of non-fatal errors during compression.
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Add buffer overflow check in Ppmd compression routines.
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Fix pipe mode encryption check.
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Change file difference check in tests.
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Fix encryption with adaptive modes.
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Add missing zero-out of algorithm data field.
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Add a functionality test suite.
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Tweak chunking parameters for better block size distribution and dedupe ratio.
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Add some more debug mode info.
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Minor fix for adapt mode.
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Use Libbsc for XML data in adapt2 mode.
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== 0.9.1 Minor update Release ==
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== 0.9.1 Minor update Release ==
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Portability to Debian based distros.
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Portability to Debian based distros.
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Enable SSE4/AVX detection for AMD platforms (Bulldozer has both).
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Enable SSE4/AVX detection for AMD platforms (Bulldozer has both).
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15
INSTALL
15
INSTALL
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@ -27,6 +27,21 @@ NOTE: Basic Installation does not enable support for Libbsc, a
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new block-sorting compressor (similar to but better than
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new block-sorting compressor (similar to but better than
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Bzip2). See below for details.
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Bzip2). See below for details.
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Testing
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=======
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After running make as given above you can run:
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make test
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This will generate some data files from /usr/bin /usr/share and
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/usr/include directories and then run a whole lot of tests. These
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execute pcompress with a wide variety of combinations of options.
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For every test both compression and decompression are performed
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and after every decompression the decompressed file is verified
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byte for byte with the original using the diff utility.
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It takes a while to run all the tests.
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Custom Installation
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Custom Installation
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===================
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===================
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The options to the config script are detailed below. Note that this is
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The options to the config script are detailed below. Note that this is
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@ -42,7 +42,7 @@ extern "C" {
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#define FLAG_DEDUP 1
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#define FLAG_DEDUP 1
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#define FLAG_DEDUP_FIXED 2
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#define FLAG_DEDUP_FIXED 2
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#define FLAG_SINGLE_CHUNK 4
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#define FLAG_SINGLE_CHUNK 4
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#define UTILITY_VERSION "0.9.1"
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#define UTILITY_VERSION "1.0.0"
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#define MASK_CRYPTO_ALG 0x30
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#define MASK_CRYPTO_ALG 0x30
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#define MAX_LEVEL 14
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#define MAX_LEVEL 14
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47
test/t8.tst
Normal file
47
test/t8.tst
Normal file
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@ -0,0 +1,47 @@
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#
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# Fixed block dedupe
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#
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echo "#################################################"
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echo "# Test Fixed block Deduplication"
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echo "#################################################"
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for algo in lzfx lz4 adapt adapt2
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do
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for tf in combined.dat comb_d.dat
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do
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for feat in "-F" "-F -B3 -L" "-F -B4" "-F -B5 -L"
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do
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for seg in 2m 100m
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do
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cmd="../../pcompress -c ${algo} -l 3 -s ${seg} $feat ${tf}"
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echo "Running $cmd"
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eval $cmd
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if [ $? -ne 0 ]
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then
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echo "${cmd} errored."
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exit 1
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fi
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cmd="../../pcompress -d ${tf}.pz ${tf}.1"
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echo "Running $cmd"
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eval $cmd
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if [ $? -ne 0 ]
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then
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echo "${cmd} errored."
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exit 1
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fi
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diff ${tf} ${tf}.1 > /dev/null
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if [ $? -ne 0 ]
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then
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echo "${cmd}: Decompression was not correct"
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exit 1
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fi
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rm -f ${tf}.pz ${tf}.1
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done
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done
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done
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done
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echo "#################################################"
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echo ""
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