search for: dmitrii

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2016 Feb 09
2
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
Dmitrii, all, Please note, that GCC 5.3 had a significant update to the MPX code quality - please, use this version as reference. Regards, Sergos On Tue, Feb 9, 2016 at 12:49 AM, Kostya Serebryany via llvm-dev < llvm-dev at lists.llvm.org> wrote: > > > On Thu, Feb 4, 2016 at 10:40 AM, Ko...
2017 Feb 17
6
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
...). Additionally, we've analyzed various implementation aspects of Intel MPX and tested it on real-world applications. We would appreciate your feedback. Regards, Oleksii Oleksenko On 02/09/2016 10:27 PM, Kostya Serebryany via llvm-dev wrote: >/On Tue, Feb 9, 2016 at 7:22 AM, Dmitrii Kuvaiskii < />/Dmitrii.Kuvaiskii at tu-dresden.de <http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev>> wrote: />//>>/Thank you Sergey and Konstantin for useful suggestions. We are />>/currently bootstrappin...
2016 Feb 04
2
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
On Thu, Feb 4, 2016 at 4:59 AM, Dmitrii Kuvaiskii < Dmitrii.Kuvaiskii at tu-dresden.de> wrote: > >> Recently I played with MPX support on Intel C/C++ Compiler (icc). This > >> implementation looks *much* better, with the following example > >> overheads: 1.2X on "raytrace", 1.25X on "b...
2016 Feb 03
2
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
On Wed, Feb 3, 2016 at 6:27 AM, Dmitrii Kuvaiskii < Dmitrii.Kuvaiskii at tu-dresden.de> wrote: > I continue playing with Intel MPX and its support in modern compilers. > All experiments were done on the Alienware (Dell) 15 R2, Ubuntu 15.10 > (linux 4.2.0), gcc version is 5.2.1, icc version 2016.1.150. The > benchmark s...
2016 Sep 02
2
ScalarEvolution pass and interprocedural analysis
...compilation time for real-world (think memcached, nginx) programs? Any feedback/hints/papers are welcome, thanks in advance. Also, any good manual on how ScalarEvolution can be used in LLVM would be great (currently I'm looking into how other LLVM passes use it). -- Yours sincerely, Dmitrii Kuvaiskii
2016 Jan 28
3
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
...com/google/sanitizers/wiki/AddressSanitizerIntraObjectOverflow>, but it's not worth the extreme complexity of the MPX-based checker. --kcc On Thu, Jan 28, 2016 at 9:14 AM, David Chisnall via llvm-dev < llvm-dev at lists.llvm.org> wrote: > On 28 Jan 2016, at 17:03, Dmitrii Kuvaiskii via llvm-dev < > llvm-dev at lists.llvm.org> wrote: > > > > Interestingly, my > > preliminary experiments indicate that adding MPX bounds checking via > > Pointer Checker in gcc is usually slower than using software-only > > AddressSanitizer. > &g...
2006 Jun 22
5
Problems with layouts
ruby script/generate controller Tools::Search - ok in views/layouts/application.rhtml: <%= render_component :controller => ''tools/search'', :action => ''searchbox'', :params => {:context => ''header-section''} %> in
2016 Jun 01
3
[Bug 96307] New: Kernel 4.7-rc1 oops when starting X
https://bugs.freedesktop.org/show_bug.cgi?id=96307 Bug ID: 96307 Summary: Kernel 4.7-rc1 oops when starting X Product: xorg Version: git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: Driver/nouveau Assignee:
2016 Jan 28
2
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
...with Alienware 15 R2 with the following CPU: Intel(R) Core(TM) i7-6820HK. Interestingly, my preliminary experiments indicate that adding MPX bounds checking via Pointer Checker in gcc is usually slower than using software-only AddressSanitizer. Thanks for the other pointers! -- Yours sincerely, Dmitrii Kuvaiskii
2016 Jan 28
2
Intel MPX support (instrumentation pass similar to gcc's Pointer Checker)
...ntly involved in MPX. But he pointed to the SoftBoundCETS prototype at https://github.com/santoshn/softboundcets-34 . Therefore, I was thinking about adapting SoftBound to MPX, as a drop-in replacement for gcc's PointerChecker. Could anyone comment on this? -- Yours sincerely, Dmitrii Kuvaiskii
2006 Jun 29
4
Multiple belongs_to
Let''s say I have a catalog with hotels. Each hotel belongs to a category (4-star, 5-star etc.) This is it''s official category.However, there is also a category that users assign and a category that "independent reviewers" assign. So I have this: hotels { id, category_id, reviewer_category, user_category } categories { id, name } class Hotel <
2013 Jan 02
2
rbind: inconsistent behaviour with empty data frames?
The rbind on empty and nonempty data frames behaves inconsistently. I am not sure if by design. In the first example, first row is deleted, which may or may not be on purpose: df1 <- data.frame() df2 <- data.frame(foo=c(1, 2), bar=c("a", "b")) rbind(df1, df2) foo bar 2 2 b Now if we continue: df1 <- data.frame(matrix(0, 0, 2)) names(df1) <- names(df2)
2016 Jun 20
0
[PATCH] drm/nouveau/nouveau_fbcon.c: fix for disabled fbdev emulation
...n 2 12:23:31 2016 +1000 drm/nouveau/fbcon: fix out-of-bounds memory accesses kernel started to oops when loading nouveau module when using GTX 780 Ti video adapter. This patch fixes the problem. Bug report: https://bugzilla.kernel.org/show_bug.cgi?id=120591 Signed-off-by: Dmitrii Tcvetkov <demfloro at demfloro.ru> Suggested-by: Ilia Mirkin <imirkin at alum.mit.edu> Fixes: f045f459d925 ("nouveau_fbcon_init()") --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers...
2006 Jun 25
7
Unicode HOWTO?
I am disappointed about the (seeming) lack of Unicode support in Rails. Is there a howto about working the most important limitations? For example, figuring out the length of an entered word: "???".length() will return 6, not 3. So if there is a maximum number of characters a user is allowed to enter, this won''t work as it should -- it treats strings as byte arrays instead
2013 Mar 18
0
[linux-linus test] 17325: regressions - trouble: broken/fail/pass
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry Cherkassov <Dmitrii.Cherkasov@amd.com>...
2013 Mar 29
0
[linux-linus test] 17454: regressions - FAIL
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry Cherkassov <Dmitrii.Cherkasov@amd.com>...
2013 Apr 10
0
[linux-linus test] 17612: regressions - FAIL
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry Cherkassov <Dmitrii.Cherkasov@amd.com>...
2013 May 05
0
[linux-linus test] 17901: regressions - FAIL
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Belimov <d.belimov@gmail.com> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry C...
2013 May 07
0
[linux-linus test] 17916: regressions - FAIL
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Belimov <d.belimov@gmail.com> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry C...
2013 Jun 16
0
[linux-linus test] 18150: regressions - FAIL
...Dirk Hohndel <dirk@hohndel.org> Dirkjan Bussink <dirkjan.bussink@nedap.com> Divy Le Ray <divy@chelsio.com> Diwakar Tundlam <dtundlam@nvidia.com> Djalal Harouni <tixxdz@opendz.org> Djamil Elaidi <d-elaidi@ti.com> Djuri Baars <dsbaars@gmail.com> Dmitrii Cherkasov <DCherkasov@luxsoft.com> Dmitry Adamushko <dmitry.adamushko@gmail.com> Dmitry Antipov <dmitry.antipov@linaro.org> Dmitry Artamonow <mad_soft@inbox.ru> Dmitry Belimov <d.belimov@gmail.com> Dmitry Cherkasov <Dmitrii.Cherkasov@amd.com> Dmitry C...