* [Buildroot] [PATCH] package/zstd: build multithreaded host-zstd
@ 2021-01-18 20:37 Thomas De Schampheleire
2021-01-18 21:15 ` Thomas Petazzoni
0 siblings, 1 reply; 2+ messages in thread
From: Thomas De Schampheleire @ 2021-01-18 20:37 UTC (permalink / raw)
To: buildroot
From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Under the assumption that all Buildroot build hosts nowadays are
multithreaded, we can boost performance of host-zstd by enabling
multithreaded operation.
See also commit 52154e52069d20105f62191e6c9f903f188a5129.
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
---
package/zstd/zstd.mk | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/package/zstd/zstd.mk b/package/zstd/zstd.mk
index c3af9bd58c..a4f0632fcf 100644
--- a/package/zstd/zstd.mk
+++ b/package/zstd/zstd.mk
@@ -76,18 +76,20 @@ define ZSTD_INSTALL_TARGET_CMDS
DESTDIR=$(TARGET_DIR) PREFIX=/usr -C $(@D)/lib $(ZSTD_INSTALL_LIBS)
endef
-# note: no 'HAVE_...' options for host library build only
+# note: only limited 'HAVE_...' options for host library build only
+HOST_ZSTD_OPTS = HAVE_THREAD=1
+
define HOST_ZSTD_BUILD_CMDS
- $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
- -C $(@D)/lib libzstd.a libzstd
- $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
+ $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) $(HOST_ZSTD_OPTS) \
+ -C $(@D)/lib libzstd.a-mt libzstd-mt
+ $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) $(HOST_ZSTD_OPTS) \
-C $(@D) zstd
endef
define HOST_ZSTD_INSTALL_CMDS
- $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
+ $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) $(HOST_ZSTD_OPTS) \
DESTDIR=$(HOST_DIR) PREFIX=/usr -C $(@D)/lib install
- $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) \
+ $(HOST_MAKE_ENV) $(HOST_CONFIGURE_OPTS) $(MAKE) $(HOST_ZSTD_OPTS) \
DESTDIR=$(HOST_DIR) PREFIX=/usr -C $(@D)/programs install
endef
--
2.26.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [Buildroot] [PATCH] package/zstd: build multithreaded host-zstd
2021-01-18 20:37 [Buildroot] [PATCH] package/zstd: build multithreaded host-zstd Thomas De Schampheleire
@ 2021-01-18 21:15 ` Thomas Petazzoni
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Petazzoni @ 2021-01-18 21:15 UTC (permalink / raw)
To: buildroot
On Mon, 18 Jan 2021 21:37:52 +0100
Thomas De Schampheleire <patrickdepinguin@gmail.com> wrote:
> From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
>
> Under the assumption that all Buildroot build hosts nowadays are
> multithreaded, we can boost performance of host-zstd by enabling
> multithreaded operation.
>
> See also commit 52154e52069d20105f62191e6c9f903f188a5129.
>
> Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
> ---
> package/zstd/zstd.mk | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
Applied to master, thanks.
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-01-18 20:37 [Buildroot] [PATCH] package/zstd: build multithreaded host-zstd Thomas De Schampheleire
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