aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--archival/libunarchive/decompress_bunzip2.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/archival/libunarchive/decompress_bunzip2.c b/archival/libunarchive/decompress_bunzip2.c
index 00ec47c75..2fa0f898a 100644
--- a/archival/libunarchive/decompress_bunzip2.c
+++ b/archival/libunarchive/decompress_bunzip2.c
@@ -20,6 +20,17 @@
20 the Burrows-Wheeler transformation. Much of that time is delay 20 the Burrows-Wheeler transformation. Much of that time is delay
21 resulting from cache misses. 21 resulting from cache misses.
22 22
23 (2010 update by vda: profiled "bzcat <84mbyte.bz2 >/dev/null"
24 on x86-64 CPU with L2 > 1M: get_next_block is hotter than read_bunzip:
25 %time seconds calls function
26 71.01 12.69 444 get_next_block
27 28.65 5.12 93065 read_bunzip
28 00.22 0.04 7736490 get_bits
29 00.11 0.02 47 dealloc_bunzip
30 00.00 0.00 93018 full_write
31 ...)
32
33
23 I would ask that anyone benefiting from this work, especially those 34 I would ask that anyone benefiting from this work, especially those
24 using it in commercial products, consider making a donation to my local 35 using it in commercial products, consider making a donation to my local
25 non-profit hospice organization (www.hospiceacadiana.com) in the name of 36 non-profit hospice organization (www.hospiceacadiana.com) in the name of