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Chrome is actually one of my exact benchmark cases. When building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% reduction in link time. We have some other optimizations in the pipeline but not upstream yet. My best time so far (including other optimizations not yet upstream) is 28s on blink_core.dll, compared to 110s with /debug On Sat, Jan 20, 2018 at...

...d rule of thumb is that /debug:ghash will be close to or faster than /debug:fastlink, but with none of the penalties like slow debug time On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> wrote: > Chrome is actually one of my exact benchmark cases. When building > blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% > reduction in link time. We have some other optimizations in the pipeline > but not upstream yet. > > My best time so far (including other optimizations not yet upstream) is > 28s on blink_core.dll, compared to 110s with /debug...

...hash will be close > to or faster than /debug:fastlink, but with none of the penalties like slow > debug time > On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> > wrote: > >> Chrome is actually one of my exact benchmark cases. When building >> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >> reduction in link time. We have some other optimizations in the pipeline >> but not upstream yet. >> >> My best time so far (including other optimizations not yet upstream) is >> 28s on blink_core.dll, compared...

...to or faster than /debug:fastlink, but with none of the penalties >> like slow debug time >> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >> wrote: >> >>> Chrome is actually one of my exact benchmark cases. When building >>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>> reduction in link time. We have some other optimizations in the pipeline >>> but not upstream yet. >>> >>> My best time so far (including other optimizations not yet upstream) is >>> 28s on blin...

...:fastlink, but with none of the penalties >>> like slow debug time >>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>> wrote: >>> >>>> Chrome is actually one of my exact benchmark cases. When building >>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>> reduction in link time. We have some other optimizations in the pipeline >>>> but not upstream yet. >>>> >>>> My best time so far (including other optimizations not yet upstream) is >>...

...t;>>> like slow debug time >>>>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>>>> wrote: >>>>> >>>>>> Chrome is actually one of my exact benchmark cases. When building >>>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>> but not upstream yet. >>>>>> >>>>>> My best time so far (including other optimizatio...

...of the penalties >>>> like slow debug time >>>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>>> wrote: >>>> >>>>> Chrome is actually one of my exact benchmark cases. When building >>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>> reduction in link time. We have some other optimizations in the pipeline >>>>> but not upstream yet. >>>>> >>>>> My best time so far (including other optimizations not yet upstr...

...slow debug time >>>>>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>>>>> wrote: >>>>>> >>>>>>> Chrome is actually one of my exact benchmark cases. When building >>>>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>> but not upstream yet. >>>>>>> >>>>>>> My best time so far (including o...

...>>>>>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>>>>>> wrote: >>>>>>> >>>>>>>> Chrome is actually one of my exact benchmark cases. When building >>>>>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>> but not upstream yet. >>>>>>>> >>>>>>>> My best time so...

...Jan 20, 2018 at 12:44 PM Zachary Turner < >>>>>>>>> zturner at google.com> wrote: >>>>>>>>> >>>>>>>>>> Chrome is actually one of my exact benchmark cases. When building >>>>>>>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>> but not upstream yet. >>>>>>>>>> >>>>>>&...

...>> On Sat, Jan 20, 2018 at 12:44 PM Zachary Turner <zturner at google.com> >>>>>>>> wrote: >>>>>>>> >>>>>>>>> Chrome is actually one of my exact benchmark cases. When building >>>>>>>>> blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>> but not upstream yet. >>>>>>>>> >>>>>>>>>...

...project commits * The build documentation for the LLVM project's OpenMP library has been converted to reStructeredText. [r321481](https://reviews.llvm.org/rL321481). * LLD's COFF linker has been optimised by avoiding parsing arguments twice. As noted in the commit message, Chromium's `blink_core.dll` has 300MB input arguments in .directives meaning this change improves link time by around 15%. [r321470](https://reviews.llvm.org/rL321470). ## Review corner The LLVM Weekly review corner serves to highlight patches that are stuck waiting awaiting review, or work from first-time contributor...

...Turner < >>>>>>>>>>> zturner at google.com> wrote: >>>>>>>>>>> >>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>> but not upstream yet. >>>>>>>>>>>> &...

...12:44 PM Zachary Turner < >>>>>>>>>> zturner at google.com> wrote: >>>>>>>>>> >>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>> but not upstream yet. >>>>>>>>>>> >>>&...

...;>>>>>>>>>>> zturner at google.com> wrote: >>>>>>>>>>>> >>>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>>> but not upstream yet. >>>>>>>>>>&g...

...;>>>>>>>> zturner at google.com> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>>>> but not upstream yet. >>>>>>>>&g...

On Sat, Jan 20, 2018 at 9:05 PM, Zachary Turner <zturner at google.com> wrote: > You probably don't want to go down the same route that clang goes through > to write the object file. If you think yaml2coff is convoluted, the way > clang does it will just give you a headache. There are multiple > abstractions involved to account for different object file formats (ELF, >

...;>> zturner at google.com> wrote: >>>>>>>>>>>>>>> >>>>>>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>>>>>> but not upstream yet. >>>>&g...

...;>>>>> zturner at google.com> wrote: >>>>>>>>>>>>>> >>>>>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>>>>> but not upstream yet. >>>>>>&g...

...gle.com> wrote: >>>>>>>>>>>>>>>>> >>>>>>>>>>>>>>>>>> Chrome is actually one of my exact benchmark cases. When >>>>>>>>>>>>>>>>>> building blink_core.dll and browser_tests.exe, i get anywhere from a 20-40% >>>>>>>>>>>>>>>>>> reduction in link time. We have some other optimizations in the pipeline >>>>>>>>>>>>>>>>>> but not upstream yet. &g...