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| author | Nathan Bossart | 2024-04-02 15:32:49 +0000 |
|---|---|---|
| committer | Nathan Bossart | 2024-04-02 15:32:49 +0000 |
| commit | 4133c1f45c54f0e52b4bb758f67af78951930e43 (patch) | |
| tree | 72baeaf19d88c6423727d57899acfd3f9ae5ee8b | |
| parent | 6687430c98f3bed1d4c5f85f05a230b0d4581a66 (diff) | |
Avoid function call overhead of pg_popcount() in syslogger.c.
Instead of calling the pg_popcount() function for a single byte, we
can look up the value in the pg_number_of_ones array.
Discussion: https://postgr.es/m/20240401221117.GB2362108%40nathanxps13
| -rw-r--r-- | src/backend/postmaster/syslogger.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/postmaster/syslogger.c b/src/backend/postmaster/syslogger.c index 08efe74cc91..437947dbb9d 100644 --- a/src/backend/postmaster/syslogger.c +++ b/src/backend/postmaster/syslogger.c @@ -898,7 +898,7 @@ process_pipe_input(char *logbuffer, int *bytes_in_logbuffer) if (p.nuls[0] == '\0' && p.nuls[1] == '\0' && p.len > 0 && p.len <= PIPE_MAX_PAYLOAD && p.pid != 0 && - pg_popcount((char *) &dest_flags, 1) == 1) + pg_number_of_ones[dest_flags] == 1) { List *buffer_list; ListCell *cell; |