Commit Graph

16 Commits

Author SHA1 Message Date
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
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
Roy Oursler
49156c3568 igzip: Implement block buffer
Change-Id: I9d7942740557e4ffaf8e223e190f4bd4e4f47b1e
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
6049ce3ca7 igzip: Modify state to record total_in on deflate call
Change-Id: I13e5878a227732545aee5a762bf5a9a75ce73f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
80bfbb33df igzip: Remove DECLARE_ALIGNED and optimize structure layout
Change-Id: I95bc3b8e2e30aff0d596c743158337400c4eb486
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-08-18 14:35:44 -07:00
Roy Oursler
ed15402f5b igzip: Add stateful dictionary support
Change-Id: I75dbac947787bc0041674468c88d0aa41b8b082f
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-06-26 04:11:48 -04:00
Roy Oursler
e38ed4b54e igzip: Increase isal_mod_hist size to stop histogram overflow
Change-Id: I1c651c9625d0fb543cd89e53e2b78b391176ef68
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 17:11:51 -07:00
Roy Oursler
a41d352a03 igzip: Modify assembly functions and structs to work on Windows
Change-Id: Icd106c3330dec72601e6f03340c07c6e1d1b5794
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:55:14 -07:00
Roy Oursler
01dfbcc484 igzip: implement igzip two pass
Change-Id: I9564b2da251a02197b39cab5f141e7aff1ae8439
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:50:48 -07:00