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libxbps: performance improvements by caching the most accessed paths.

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1- We can cache the result of the first xbps_pkgdb_init() when it fails
   and avoid the malloc/free/access from it.
2- We cache the uname(2) result into a private var in xbps_handle and
   use it in xbps_pkg_arch_match().

This improves performance by ~5% approx and it's close as it was before
introducing the repository index format 1.5.
This commit is contained in:
Juan RP
2012-06-15 15:33:11 +02:00
parent 506625a716
commit 068cab8d20
22 changed files with 272 additions and 159 deletions
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4
lib/repository_finddeps.c
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@ -310,9 +310,9 @@ find_repo_deps(struct xbps_handle *xhp,
* added in the transaction dictionary.
*/
unsorted = prop_dictionary_get(xhp->transd, "unsorted_deps");
if (((curpkgd = xbps_find_pkg_in_array_by_pattern(unsorted, reqpkg, NULL)) == NULL) &&
if (((curpkgd = xbps_find_pkg_in_array_by_pattern(xhp, unsorted, reqpkg, NULL)) == NULL) &&
((curpkgd = xbps_find_virtualpkg_conf_in_array_by_pattern(xhp, unsorted, reqpkg)) == NULL) &&
((curpkgd = xbps_find_virtualpkg_in_array_by_pattern(unsorted, reqpkg)) == NULL)) {
((curpkgd = xbps_find_virtualpkg_in_array_by_pattern(xhp, unsorted, reqpkg)) == NULL)) {
/* error matching required pkgdep */
if (errno && errno != ENOENT) {
rv = errno;