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  1. 29 Mar, 2019 5 commits
    • Jordan Liggitt's avatar
      net/http/httputil: make ReverseProxy flush headers on FlushInterval · 2cc34738
      Jordan Liggitt authored 
      A regression was introduced in CL 137335 (5440bfc2) that caused FlushInterval
to not be honored until the first Write() call was encountered. This change
starts the flush timer as part of setting up the maxLatencyWriter.

Fixes #31125
Fixes #31126

Change-Id: I75325bd926652922219bd1457b2b00ac6d0d41b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/170066Reviewed-by: default avatarBrad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
      2cc34738
    • Ian Lance Taylor's avatar
      runtime: rename p racectx field to raceprocctx · 70ea70ec
      Ian Lance Taylor authored 
      Both g and p had a racectx field, but they held different kinds of values.
The g field held ThreadState values while the p field held Processor values
(to use the names used in the C++ code in the compiler_rt support library).
Rename the p field to raceprocctx to reduce potential confusion.

Change-Id: Iefba0e259d240171e973054c452c3c15bf3f8f8f
Reviewed-on: https://go-review.googlesource.com/c/go/+/169960Reviewed-by: default avatarDmitry Vyukov <dvyukov@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
      70ea70ec
    • Ben Hoyt's avatar
      bytes, strings: add tests for TrimLeftFunc and TrimRightFunc · 154e5abf
      Ben Hoyt authored 
      When I was working on the fix for #31038 (make TrimSpace return nil on
all-space input) I noticed that there were no tests for TrimLeftFunc
and TrimRightFunc, including the funky nil behavior. So add some!

I've just reused the existing TrimFunc test cases for TrimLeftFunc and
TrimRightFunc, as well as adding new tests for the empty string and
all-trimmed cases (which test the nil-returning behavior of TrimFunc and
TrimLeftFunc).

Change-Id: Ib580d4364e9b3c91350305f9d9873080d7862904
Reviewed-on: https://go-review.googlesource.com/c/go/+/170061
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: default avatarIan Lance Taylor <iant@golang.org>
      154e5abf
    • zdjones's avatar
      cmd/compile: make prove use poset to check non-negatives · ddef1578
      zdjones authored 
      Prove currently fails to remove bounds checks of the form:

if i >= 0 {              // hint that i is non-negative
    for i < len(data) {  // i becomes Phi in the loop SSA
        _ = data[i]      // data[Phi]; bounds check!!
	i++
    }
}

addIndVarRestrictions fails to identify that the loop induction
variable, (Phi), is non-negative. As a result, the restrictions,
i <= Phi < len(data), are only added for the signed domain. When
testing the bounds check, addBranchRestrictions is similarly unable
to infer that Phi is non-negative. As a result, the restriction,
Phi >= len(data), is only added/tested for the unsigned domain.

This CL changes the isNonNegative method to utilise the factTable's
partially ordered set (poset). It also adds field factTable.zero to
allow isNonNegative to query the poset using the zero(0) constant
found or created early in prove.

Fixes #28956

Change-Id: I792f886c652eeaa339b0d57d5faefbf5922fe44f
Reviewed-on: https://go-review.googlesource.com/c/go/+/161437
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: default avatarGiovanni Bajo <rasky@develer.com>
      ddef1578
    • Agniva De Sarker's avatar
      internal/bytealg: simplify memchr for wasm · 4a7cd9d9
      Agniva De Sarker authored 
      Get rid of an extra register R5 which just recalculated the value of R4.
Reuse R4 instead.

We also remove the casting of c to an unsigned char because the initial
load of R0 is done with I32Load8U anyways.

Also indent the code to make it more readable.

name                           old time/op  new time/op  delta
IndexRune                       597ns ± 3%   580ns ± 3%  -2.93%  (p=0.002 n=10+10)
IndexRuneLongString             634ns ± 4%   654ns ± 3%  +3.07%  (p=0.004 n=10+10)
IndexRuneFastPath              57.6ns ± 3%  56.9ns ± 4%    ~     (p=0.210 n=10+10)
Index                           104ns ± 3%   104ns ± 4%    ~     (p=0.639 n=10+10)
LastIndex                      87.1ns ± 5%  85.7ns ± 3%    ~     (p=0.171 n=10+10)
IndexByte                      34.4ns ± 4%  32.9ns ± 5%  -4.28%  (p=0.002 n=10+10)
IndexHard1                     21.6ms ± 1%  21.8ms ± 3%    ~     (p=0.460 n=8+10)
IndexHard2                     21.6ms ± 2%  21.9ms ± 5%    ~     (p=0.133 n=9+10)
IndexHard3                     21.8ms ± 3%  21.7ms ± 1%    ~     (p=0.579 n=10+10)
IndexHard4                     21.6ms ± 1%  21.9ms ± 4%    ~     (p=0.360 n=8+10)
LastIndexHard1                 25.1ms ± 2%  25.4ms ± 5%    ~     (p=0.853 n=10+10)
LastIndexHard2                 25.3ms ± 6%  25.2ms ± 5%    ~     (p=0.796 n=10+10)
LastIndexHard3                 25.3ms ± 4%  25.2ms ± 3%    ~     (p=0.739 n=10+10)
IndexTorture                    130µs ± 3%   133µs ± 5%    ~     (p=0.218 n=10+10)
IndexAnyASCII/1:1              98.4ns ± 5%  96.6ns ± 5%    ~     (p=0.054 n=10+10)
IndexAnyASCII/1:2               109ns ± 4%   110ns ± 3%    ~     (p=0.232 n=10+10)
IndexAnyASCII/1:4               135ns ± 4%   134ns ± 3%    ~     (p=0.671 n=10+10)
IndexAnyASCII/1:8               184ns ± 4%   184ns ± 3%    ~     (p=0.749 n=10+10)
IndexAnyASCII/1:16              289ns ± 3%   281ns ± 3%  -2.73%  (p=0.001 n=9+10)
IndexAnyASCII/16:1              322ns ± 3%   307ns ± 3%  -4.71%  (p=0.000 n=10+10)
IndexAnyASCII/16:2              329ns ± 3%   320ns ± 3%  -2.89%  (p=0.008 n=10+10)
IndexAnyASCII/16:4              353ns ± 3%   339ns ± 3%  -3.91%  (p=0.001 n=10+10)
IndexAnyASCII/16:8              390ns ± 3%   374ns ± 3%  -4.06%  (p=0.000 n=10+10)
IndexAnyASCII/16:16             471ns ± 4%   452ns ± 2%  -4.22%  (p=0.000 n=10+10)
IndexAnyASCII/256:1            2.94µs ± 4%  2.91µs ± 2%    ~     (p=0.424 n=10+10)
IndexAnyASCII/256:2            2.92µs ± 3%  2.90µs ± 2%    ~     (p=0.388 n=9+10)
IndexAnyASCII/256:4            2.93µs ± 1%  2.90µs ± 1%  -0.98%  (p=0.036 n=8+9)
IndexAnyASCII/256:8            3.03µs ± 5%  2.97µs ± 3%    ~     (p=0.085 n=10+10)
IndexAnyASCII/256:16           3.07µs ± 4%  3.01µs ± 1%  -2.03%  (p=0.003 n=10+9)
IndexAnyASCII/4096:1           45.8µs ± 3%  45.9µs ± 2%    ~     (p=0.905 n=10+9)
IndexAnyASCII/4096:2           46.7µs ± 3%  46.2µs ± 3%    ~     (p=0.190 n=10+10)
IndexAnyASCII/4096:4           45.7µs ± 2%  46.4µs ± 3%  +1.37%  (p=0.022 n=9+10)
IndexAnyASCII/4096:8           46.4µs ± 3%  46.0µs ± 2%    ~     (p=0.436 n=10+10)
IndexAnyASCII/4096:16          46.6µs ± 3%  46.7µs ± 2%    ~     (p=0.971 n=10+10)
IndexPeriodic/IndexPeriodic2   1.40ms ± 3%  1.40ms ± 2%    ~     (p=0.853 n=10+10)
IndexPeriodic/IndexPeriodic4   1.40ms ± 3%  1.40ms ± 3%    ~     (p=0.579 n=10+10)
IndexPeriodic/IndexPeriodic8   1.42ms ± 3%  1.39ms ± 2%  -1.60%  (p=0.029 n=10+10)
IndexPeriodic/IndexPeriodic16   616µs ± 5%   583µs ± 5%  -5.32%  (p=0.001 n=10+10)
IndexPeriodic/IndexPeriodic32   313µs ± 5%   301µs ± 2%  -3.67%  (p=0.002 n=10+10)
IndexPeriodic/IndexPeriodic64   169µs ± 5%   164µs ± 5%  -3.17%  (p=0.023 n=10+10)

NodeJS version - 10.2.1

Change-Id: I9a8268314b5652c4aeffc4c5c72d2fd1a384aa9e
Reviewed-on: https://go-review.googlesource.com/c/go/+/169777
Run-TryBot: Agniva De Sarker <agniva.quicksilver@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: default avatarCherry Zhang <cherryyz@google.com>
      4a7cd9d9
  3. 28 Mar, 2019 20 commits
  5. 27 Mar, 2019 15 commits
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