From: Zooko O'Whielacronx <zooko@zooko.com>
Date: Wed, 24 Jan 2007 22:21:45 +0000 (-0700)
Subject: add comment
X-Git-Tag: tahoe_v0.1.0-0-UNSTABLE~325
X-Git-Url: https://git.rkrishnan.org/(%5B%5E?a=commitdiff_plain;h=020dd3f6d289182471f9ae6dba334e8f7ab212db;p=tahoe-lafs%2Ftahoe-lafs.git

add comment
---

diff --git a/pyfec/fec/fec.c b/pyfec/fec/fec.c
index fcedb16a..441f3d0b 100644
--- a/pyfec/fec/fec.c
+++ b/pyfec/fec/fec.c
@@ -577,6 +577,7 @@ fec_encode_all(const fec_t* code, const gf*restrict const*restrict const src, gf
 }
 
 #if 0
+/* By turning the nested loop inside out, we might incur different cache usage and therefore go slower or faster.  However in practice I'm not able to detect a difference, since >90% of the time is spent in my Python test script anyway.  :-) */
 void
 fec_encode_all(const fec_t* code, const gf*restrict const*restrict const src, gf*restrict const*restrict const fecs, const unsigned char*restrict const share_ids, unsigned char num_share_ids, size_t sz) {
     for (unsigned j=0; j < code->k; j++) {