Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-22 Thread Richard Sandiford via Gcc-patches
Sam James via Gcc-patches writes: >> On 8 Nov 2022, at 07:14, Sam James wrote: >> >> 1. This should speed up decompression for folks, as parallel xz >> creates a different archive which can be decompressed in parallel. >> >> Note that this different method is enabled by default in a new >>

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-17 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 07:14, Sam James wrote: > > 1. This should speed up decompression for folks, as parallel xz > creates a different archive which can be decompressed in parallel. > > Note that this different method is enabled by default in a new > xz release coming shortly anyway (>=

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-11 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 07:14, Sam James wrote: > > 1. This should speed up decompression for folks, as parallel xz > creates a different archive which can be decompressed in parallel. > > Note that this different method is enabled by default in a new > xz release coming shortly anyway (>=

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-10 Thread Martin Liška
On 11/9/22 03:06, Xi Ruoyao via Gcc-patches wrote: On Wed, 2022-11-09 at 01:52 +, Joseph Myers wrote: On Tue, 8 Nov 2022, Xi Ruoyao via Gcc-patches wrote: I'm wondering if running xz -T0 on different machines (with different core numbers) may produce different compressed data.  The

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-08 Thread Xi Ruoyao via Gcc-patches
On Wed, 2022-11-09 at 01:52 +, Joseph Myers wrote: > On Tue, 8 Nov 2022, Xi Ruoyao via Gcc-patches wrote: > > > I'm wondering if running xz -T0 on different machines (with different > > core numbers) may produce different compressed data.  The difference can > > cause trouble distributing

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-08 Thread Joseph Myers
On Tue, 8 Nov 2022, Xi Ruoyao via Gcc-patches wrote: > I'm wondering if running xz -T0 on different machines (with different > core numbers) may produce different compressed data. The difference can > cause trouble distributing checksums. gcc_release definitely doesn't use any options to make

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-08 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 08:52, Jakub Jelinek wrote: > > On Tue, Nov 08, 2022 at 07:40:02AM +, Sam James wrote: >>> On 8 Nov 2022, at 07:33, Xi Ruoyao wrote: >>> I'm wondering if running xz -T0 on different machines (with different >>> core numbers) may produce different compressed data. The

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-08 Thread Jakub Jelinek via Gcc-patches
On Tue, Nov 08, 2022 at 07:40:02AM +, Sam James wrote: > > On 8 Nov 2022, at 07:33, Xi Ruoyao wrote: > > I'm wondering if running xz -T0 on different machines (with different > > core numbers) may produce different compressed data. The difference can > > cause trouble distributing checksums.

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 07:36, Sam James wrote: > > > >> On 8 Nov 2022, at 07:34, Eric Botcazou wrote: >> >>> I build GCC regularly from the weekly snapshots >>> and so the decompression time adds up. >> >> But is very largely dwarfed by the build time of the compiler, isn't it? >> > > It

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 07:33, Xi Ruoyao wrote: > > On Tue, 2022-11-08 at 07:14 +, Sam James via Gcc-patches wrote: >> 1. This should speed up decompression for folks, as parallel xz >>creates a different archive which can be decompressed in parallel. >> >>Note that this different

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Sam James via Gcc-patches
> On 8 Nov 2022, at 07:34, Eric Botcazou wrote: > >> I build GCC regularly from the weekly snapshots >> and so the decompression time adds up. > > But is very largely dwarfed by the build time of the compiler, isn't it? > It is. It's no big deal if the patch isn't accepted, it's just

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Eric Botcazou via Gcc-patches
>I build GCC regularly from the weekly snapshots >and so the decompression time adds up. But is very largely dwarfed by the build time of the compiler, isn't it? -- Eric Botcazou

Re: [PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Xi Ruoyao via Gcc-patches
On Tue, 2022-11-08 at 07:14 +, Sam James via Gcc-patches wrote: > 1. This should speed up decompression for folks, as parallel xz >    creates a different archive which can be decompressed in parallel. > >    Note that this different method is enabled by default in a new >    xz release

[PATCH] maintainer-scripts/gcc_release: compress xz in parallel

2022-11-07 Thread Sam James via Gcc-patches
1. This should speed up decompression for folks, as parallel xz creates a different archive which can be decompressed in parallel. Note that this different method is enabled by default in a new xz release coming shortly anyway (>= 5.3.3_alpha1). I build GCC regularly from the weekly