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| author | unknown <marko@hundin.mysql.fi> | 2005-04-22 14:04:18 +0300 |
|---|---|---|
| committer | unknown <marko@hundin.mysql.fi> | 2005-04-22 14:04:18 +0300 |
| commit | 98dc4142b206ea3fcf1d7b4bd127baef1aeac2d4 (patch) | |
| tree | e0d005c35a0eef1e1ffe58afae9a7cc2b6e1777f /innobase/include/trx0rseg.ic | |
| parent | f2c13c3f4fa493e4054e9d6c34a82d80af2bbafc (diff) | |
| download | mariadb-git-98dc4142b206ea3fcf1d7b4bd127baef1aeac2d4.tar.gz | |
InnoDB: Some low-level optimizations made based on OProfile results.
innobase/dict/dict0mem.c:
dict_mem_table_create(): Add a debug assertion.
innobase/include/btr0btr.ic:
btr_node_ptr_get_child_page_no(): Add a UNIV_UNLIKELY hint.
Remove a buf_frame_align() call.
innobase/include/btr0cur.ic:
btr_cur_get_page(): Add a debug assertion.
innobase/include/buf0buf.ic:
buf_block_peek_if_too_old(): Replace if() with return().
buf_block_align(), buf_frame_align(): Add UNIV_UNLIKELY hints.
innobase/include/data0type.ic:
dtype_get_fixed_size(): Add UNIV_UNLIKELY hints.
innobase/include/mem0mem.ic:
Remove signedness warning in debug assertion.
innobase/include/read0read.ic:
read_view_sees_trx_id(): Eliminate a comparison inside loop.
innobase/include/row0sel.ic:
open_step(): Add UNIV_EXPECT hint.
innobase/include/row0upd.ic:
upd_field_set_field_no(): Add a UNIV_UNLIKELY hint.
innobase/include/sync0rw.ic:
Add UNIV_LIKELY and UNIV_UNLIKELY hints.
rw_lock_x_lock_func_nowait(): Eliminate a function call.
Replace ut_a() assertions with ut_ad().
innobase/include/trx0rseg.ic:
Add UNIV_UNLIKELY hints.
innobase/include/ut0rnd.ic:
ut_fold_binary(): Eliminate a loop variable
to avoid register spilling on x86.
Diffstat (limited to 'innobase/include/trx0rseg.ic')
| -rw-r--r-- | innobase/include/trx0rseg.ic | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/innobase/include/trx0rseg.ic b/innobase/include/trx0rseg.ic index 35e927f5e79..c9ac50ebf16 100644 --- a/innobase/include/trx0rseg.ic +++ b/innobase/include/trx0rseg.ic @@ -65,7 +65,7 @@ trx_rsegf_get_nth_undo( ulint n, /* in: index of slot */ mtr_t* mtr) /* in: mtr */ { - if (n >= TRX_RSEG_N_SLOTS) { + if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { fprintf(stderr, "InnoDB: Error: trying to get slot %lu of rseg\n", (unsigned long) n); ut_error; @@ -86,7 +86,7 @@ trx_rsegf_set_nth_undo( ulint page_no,/* in: page number of the undo log segment */ mtr_t* mtr) /* in: mtr */ { - if (n >= TRX_RSEG_N_SLOTS) { + if (UNIV_UNLIKELY(n >= TRX_RSEG_N_SLOTS)) { fprintf(stderr, "InnoDB: Error: trying to set slot %lu of rseg\n", (unsigned long) n); ut_error; |