On Sat, 12 Mar 2022 12:30:39 GMT, Andrew Haley wrote:
> 1ns
Incidentally, there must be a lot of speculation and bypassing going on there.
I can see 15 cycles of latency, probably 20, so that'd be more like 5ns start
to finish. M1 is a remarkable thing.
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PR: https://git.openjdk.
On Sat, 12 Mar 2022 14:21:13 GMT, Florian Weimer wrote:
> > ```
> > extern "C" char address_of_label[] __attribute__ ((visibility ("hidden")));
> > ```
>
> It doesn't hurt, but the Itanium ABI does not mangle such global data
> symbols, so it's not strictly needed.
That's an interesting point
On Sat, 12 Mar 2022 12:32:38 GMT, Andrew Haley wrote:
> > into the assembler sources and use
> > ```c++
> > extern char address_of_label[] __attribute__ ((visibility
> > ("hidden")));
> > ```
>
> ITYM
>
> ```
> extern "C" char address_of_label[] __attribute__ ((visibility ("hidden")));
On Sat, 12 Mar 2022 07:45:57 GMT, Florian Weimer wrote:
> into the assembler sources and use
>
> ```c++
> extern char address_of_label[] __attribute__ ((visibility
> ("hidden")));
ITYM
extern "C" char address_of_label[] __attribute__ ((visibility ("hidden")));
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PR: http
On Fri, 11 Mar 2022 12:18:36 GMT, Florian Weimer wrote:
> > According to
> > https://forums.swift.org/t/concurrencys-use-of-thread-local-variables/48654:
> > "these accesses are just a move from a system register plus a load/store
> > at a constant offset."
>
> Ideally you'd still benchmark t
On Sat, 12 Mar 2022 05:44:21 GMT, Chris Plummer wrote:
>> jdb has 3 types of arguments:
>>
>> 1. Those that are jdb specific, such as -attach, -launch, and -listconnectors
>> 2. Those that are passed to the JVM used to run jdb. These are all prefixed
>> with -J, and any valid JVM argument can b
