Commit Graph

16 Commits

Author SHA1 Message Date
Roy Oursler
fce71b0670 igzip: Implement icf_body random data skip ahead
Change-Id: I5dd5f37ec0cdfe4f2591685dc4a0a056f0b07ea3
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-12-04 10:41:40 -07:00
Roy Oursler
a570a3e5d4 igzip: Limit max compare_large to limit redundant matching
Change-Id: I989c9b805700fdced4624fb5f4b4c19cce389448
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-20 11:12:02 -07:00
Roy Oursler
a1f8e55d11 igzip: Remove movnti instructions
Change-Id: I760b737bb5b138de4d62d841e2f24bc41c6a8b68
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-20 11:12:02 -07:00
Roy Oursler
7345490999 igzip: Modify igzip_body assembly to run to last 16 bytes.
Change-Id: Ib2c688d0b2d7ff5d4fd7b14bb6eea72a7f689cd3
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-20 11:12:02 -07:00
Roy Oursler
03bef684a4 igzip: Setup for variable hash mask
Change-Id: I3be94dbc40c2e02dcff4f89e5a9df8ed1f744f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
6317ce2b78 igzip: Setup for variable lookback distance
Change-Id: Idd52c9392113dfc54feea3c66916a7f5aa128bef
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
f421ea8d7a igzip: Modify isal_deflate buffer management
Change-Id: I2f12a0acf8ceeffb7328093e25205a6e73484159
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-08-21 16:35:30 -07:00
Roy Oursler
7da82d555f igzip: Add missing USE_HSWNI defines
Change-Id: Ic3f2e1dada0c61e7b78068131fbea37023215844
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-07-26 11:10:13 -07:00
Roy Oursler
d389b8d6f8 igzip: Move COMPARE_TYPES usage
Change-Id: I87d88618b6f86c1f9618ba9cea132153a8ef2fa5
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-06-14 15:30:14 -07:00
Roy Oursler
5d413c8b12 igzip: Use full 32 bits histogram elements in igizp_icf_body/finish
This fix prevents possible histogram overflow in compression.

Change-Id: Ie5f25d1bace7f443f432678fcfbd9050ac65113f
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
8965584ae3 igzip: Implement large hash table method as level 2
Move current level 2 compression to be level 3 and create a level 2
compression which is the same algorithm as level 1 but with a larger
hashtable.

Change-Id: I398a6017c2ff218dded24e229fb51c23ea69f314
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
7a12bcb2a8 igzip: Separate concept of level and compression method
Change-Id: I82a5fbeb93adc77057893c643e044e311e4f393c
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
fe68f02dac igzip: Move hash_table and symbol histogram for icf compression
Change-Id: I50df9c8915ff3e1af450aeb8e4c0cc3baf9624ae
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
2573f3cd87 igzip: Create defines for lvl1 hash table and histogram
Change-Id: I4cdf7af4e482b8105aef024085323d0b1cd622ef
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
06cd70481c igzip: Separate defines for LVL1 and LVL0 hash tables
Change-Id: I19bdec8d2d0c74083bc1695763c9630516995885
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
4ae2d1be29 igzip: Implement optimized level 2 compression
Change-Id: I8cf5bcd56f290d17205ac36dc2828c8acfc66947
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00