From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: zsh-workers@zsh.org
Subject: Re: Slowdown around 5.0.5-dev-0
Date: Thu, 22 Oct 2015 18:33:28 +0200 [thread overview]
Message-ID: <CAKc7PVAcA=T3ow3iTQjKr-dAsMaQmEpzyE8FMtWw7hVKZKpOcg@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVAmR3faPBqJAMnFSFbjqmHywFY2K7h0aYwk1=s2QU8gQw@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 225 bytes --]
PS. I also attach diff with the two should-stay patches, it has the
state of the code that I used to build zsh-newheaps-zhalloc. It
contains newheaps and zhalloc patch, and not the 36834.
Best regards,
Sebastian Gniazdowski
[-- Attachment #2: newheaps_zhalloc.patch --]
[-- Type: application/octet-stream, Size: 1408 bytes --]
diff --git a/Src/exec.c b/Src/exec.c
index 154bbb8..76af7e9 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -5066,10 +5066,11 @@ doshfunc(Shfunc shfunc, LinkList doshargs, int noreturnval)
#ifdef MAX_FUNCTION_DEPTH
static int funcdepth;
#endif
+ Heap funcheap;
queue_signals(); /* Lots of memory and global state changes coming */
- pushheap();
+ NEWHEAPS(funcheap) {
oargv0 = NULL;
obreaks = breaks;
@@ -5289,7 +5290,8 @@ doshfunc(Shfunc shfunc, LinkList doshargs, int noreturnval)
numpipestats = oldnumpipestats;
memcpy(pipestats, oldpipestats, sizeof(int)*numpipestats);
}
- popheap();
+
+ } OLDHEAPS;
unqueue_signals();
diff --git a/Src/mem.c b/Src/mem.c
index b9569ea..63a5afe 100644
--- a/Src/mem.c
+++ b/Src/mem.c
@@ -543,9 +543,14 @@ zhalloc(size_t size)
/* find a heap with enough free space */
- for (h = ((fheap && ARENA_SIZEOF(fheap) >= (size + fheap->used))
- ? fheap : heaps);
- h; h = h->next) {
+ /*
+ * This previously assigned:
+ * h = ((fheap && ARENA_SIZEOF(fheap) >= (size + fheap->used))
+ * ? fheap : heaps);
+ * but we think that nothing upstream of fheap has more free space,
+ * so why start over at heaps just because fheap has too little?
+ */
+ for (h = (fheap ? fheap : heaps); h; h = h->next) {
if (ARENA_SIZEOF(h) >= (n = size + h->used)) {
void *ret;
next prev parent reply other threads:[~2015-10-22 16:33 UTC|newest]
Thread overview: 61+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-10 10:54 Sebastian Gniazdowski
2015-10-10 17:58 ` Bart Schaefer
2015-10-10 18:11 ` Sebastian Gniazdowski
2015-10-10 18:32 ` Sebastian Gniazdowski
2015-10-11 0:06 ` Bart Schaefer
2015-10-11 6:20 ` Bart Schaefer
2015-10-11 8:39 ` Sebastian Gniazdowski
2015-10-11 16:17 ` Bart Schaefer
2015-10-11 16:48 ` Sebastian Gniazdowski
2015-10-11 17:31 ` Bart Schaefer
2015-10-11 18:05 ` Sebastian Gniazdowski
2015-10-11 21:22 ` Bart Schaefer
2015-10-12 8:21 ` Sebastian Gniazdowski
2015-10-12 14:01 ` Bart Schaefer
2015-10-12 16:50 ` Sebastian Gniazdowski
2015-10-13 0:33 ` Bart Schaefer
2015-10-13 8:21 ` Sebastian Gniazdowski
2015-10-13 15:52 ` Bart Schaefer
2015-10-14 6:50 ` Sebastian Gniazdowski
2015-10-14 13:27 ` Peter Stephenson
2015-10-14 16:25 ` Bart Schaefer
2015-10-14 16:50 ` Bart Schaefer
2015-10-15 4:32 ` Bart Schaefer
2015-10-15 13:03 ` Sebastian Gniazdowski
2015-10-16 0:35 ` Bart Schaefer
2015-10-17 9:12 ` Sebastian Gniazdowski
2015-10-17 9:24 ` Sebastian Gniazdowski
2015-10-18 16:19 ` Bart Schaefer
2015-10-18 20:40 ` Sebastian Gniazdowski
2015-10-18 21:07 ` Bart Schaefer
2015-10-18 21:31 ` Sebastian Gniazdowski
2015-10-19 17:21 ` Bart Schaefer
2015-10-22 12:49 ` Sebastian Gniazdowski
2015-10-22 15:00 ` Bart Schaefer
2015-10-22 16:28 ` Sebastian Gniazdowski
2015-10-22 16:33 ` Sebastian Gniazdowski [this message]
2015-10-23 15:40 ` Sebastian Gniazdowski
2015-10-23 15:57 ` Sebastian Gniazdowski
2015-10-23 19:26 ` Bart Schaefer
2015-10-23 23:50 ` Bart Schaefer
2015-10-24 6:09 ` Sebastian Gniazdowski
2015-10-24 7:37 ` Sebastian Gniazdowski
2015-10-24 8:04 ` Sebastian Gniazdowski
2015-10-24 19:39 ` Bart Schaefer
2015-10-25 7:35 ` Sebastian Gniazdowski
2015-10-25 17:23 ` Bart Schaefer
2015-10-25 20:56 ` Sebastian Gniazdowski
2015-10-26 0:49 ` Bart Schaefer
2015-10-26 7:41 ` Sebastian Gniazdowski
2015-10-26 7:47 ` Sebastian Gniazdowski
2015-10-24 6:27 ` Sebastian Gniazdowski
2015-10-24 10:54 ` Sebastian Gniazdowski
2015-10-24 11:25 ` Sebastian Gniazdowski
2015-10-24 16:31 ` Bart Schaefer
2015-10-24 16:41 ` Bart Schaefer
2015-10-23 6:32 ` Sebastian Gniazdowski
2015-10-16 0:37 ` Bart Schaefer
2015-10-13 13:07 ` Sebastian Gniazdowski
2015-10-13 13:31 ` Sebastian Gniazdowski
2015-10-12 12:05 ` Sebastian Gniazdowski
2015-10-12 15:13 ` Bart Schaefer
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