From c701bf2a98e6416dd5cbdf84ddc79c76dd629b5d Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 11 Jan 2023 17:29:07 +0100
Subject: init: replace custom cpu count detection with sysconf

Drop now-unnecessary assembly support.
---
 init.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

(limited to 'init.c')

diff --git a/init.c b/init.c
index f112ce7..07a00d8 100644
--- a/init.c
+++ b/init.c
@@ -23,6 +23,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <unistd.h>
 
 #include <cblas.h>
 
@@ -30,7 +31,6 @@
 
 #include "basis.h"
 #include "common.h"
-#include "cpu.h"
 #include "internal.h"
 #include "log.h"
 #include "nlsolve.h"
@@ -55,9 +55,16 @@ static int teukolsky_init_check_options(TDContext *td)
     int ret;
 
     if (!td->nb_threads) {
-        td->nb_threads = tdi_cpu_count();
-        if (!td->nb_threads)
-            td->nb_threads = 1;
+        long val = 0;
+
+#ifdef _SC_NPROCESSORS_ONLN
+        val = sysconf(_SC_NPROCESSORS_ONLN);
+#endif
+
+        if (val <= 0)
+            val = 1;
+
+        td->nb_threads = val;
     }
 
     ret = tp_init(&s->tp, td->nb_threads);
@@ -327,7 +334,7 @@ TDContext *td_context_alloc(void)
     if (!td)
         return NULL;
 
-    td->nb_threads = 1;
+    td->nb_threads = 0;
 
     td->family          = TD_FAMILY_TIME_ANTISYM_CUBIC;
     td->solution_branch = 0;
-- 
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