Commit Graph

17 Commits

Author SHA1 Message Date
Roman Lebedev a5baf86744 AMD BdVer2 (Piledriver) Initial Scheduler model
Summary:
# Overview
This is somewhat partial.
* Latencies are good {F7371125}
  * All of these remaining inconsistencies //appear// to be noise/noisy/flaky.
* NumMicroOps are somewhat good {F7371158}
  * Most of the remaining inconsistencies are from `Ld` / `Ld_ReadAfterLd` classes
* Actual unit occupation (pipes, `ResourceCycles`) are undiscovered lands, i did not really look there.
  They are basically verbatum copy from `btver2`
* Many `InstRW`. And there are still inconsistencies left...

To be noted:
I think this is the first new schedule profile produced with the new next-gen tools like llvm-exegesis!

# Benchmark
I realize that isn't what was suggested, but i'll start with some "internal" public real-world benchmark i understand - [[ https://github.com/darktable-org/rawspeed | RawSpeed raw image decoding library ]].
Diff (the exact clang from trunk without/with this patch):
```
Comparing /home/lebedevri/rawspeed/build-old/src/utilities/rsbench/rsbench to /home/lebedevri/rawspeed/build-new/src/utilities/rsbench/rsbench
Benchmark                                                                                        Time             CPU      Time Old      Time New       CPU Old       CPU New
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/real_time_pvalue                             0.0000          0.0000      U Test, Repetitions: 25 vs 25
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/real_time_mean                              -0.0607         -0.0604           234           219           233           219
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/real_time_median                            -0.0630         -0.0626           233           219           233           219
Canon/EOS 5D Mark II/09.canon.sraw1.cr2/threads:8/real_time_stddev                            +0.2581         +0.2587             1             2             1             2
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/real_time_pvalue                             0.0000          0.0000      U Test, Repetitions: 25 vs 25
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/real_time_mean                              -0.0770         -0.0767           144           133           144           133
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/real_time_median                            -0.0767         -0.0763           144           133           144           133
Canon/EOS 5D Mark II/10.canon.sraw2.cr2/threads:8/real_time_stddev                            -0.4170         -0.4156             1             0             1             0
Canon/EOS 5DS/2K4A9927.CR2/threads:8/real_time_pvalue                                          0.0000          0.0000      U Test, Repetitions: 25 vs 25
Canon/EOS 5DS/2K4A9927.CR2/threads:8/real_time_mean                                           -0.0271         -0.0270           463           450           463           450
Canon/EOS 5DS/2K4A9927.CR2/threads:8/real_time_median                                         -0.0093         -0.0093           453           449           453           449
Canon/EOS 5DS/2K4A9927.CR2/threads:8/real_time_stddev                                         -0.7280         -0.7280            13             4            13             4
Canon/EOS 5DS/2K4A9928.CR2/threads:8/real_time_pvalue                                          0.0004          0.0004      U Test, Repetitions: 25 vs 25
Canon/EOS 5DS/2K4A9928.CR2/threads:8/real_time_mean                                           -0.0065         -0.0065           569           565           569           565
Canon/EOS 5DS/2K4A9928.CR2/threads:8/real_time_median                                         -0.0077         -0.0077           569           564           569           564
Canon/EOS 5DS/2K4A9928.CR2/threads:8/real_time_stddev                                         +1.0077         +1.0068             2             5             2             5
Canon/EOS 5DS/2K4A9929.CR2/threads:8/real_time_pvalue                                          0.0220          0.0199      U Test, Repetitions: 25 vs 25
Canon/EOS 5DS/2K4A9929.CR2/threads:8/real_time_mean                                           +0.0006         +0.0007           312           312           312           312
Canon/EOS 5DS/2K4A9929.CR2/threads:8/real_time_median                                         +0.0031         +0.0032           311           312           311           312
Canon/EOS 5DS/2K4A9929.CR2/threads:8/real_time_stddev                                         -0.7069         -0.7072             4             1             4             1
Canon/EOS 10D/CRW_7673.CRW/threads:8/real_time_pvalue                                          0.0004          0.0004      U Test, Repetitions: 25 vs 25
Canon/EOS 10D/CRW_7673.CRW/threads:8/real_time_mean                                           -0.0015         -0.0015           141           141           141           141
Canon/EOS 10D/CRW_7673.CRW/threads:8/real_time_median                                         -0.0010         -0.0011           141           141           141           141
Canon/EOS 10D/CRW_7673.CRW/threads:8/real_time_stddev                                         -0.1486         -0.1456             0             0             0             0
Canon/EOS 40D/_MG_0154.CR2/threads:8/real_time_pvalue                                          0.6139          0.8766      U Test, Repetitions: 25 vs 25
Canon/EOS 40D/_MG_0154.CR2/threads:8/real_time_mean                                           -0.0008         -0.0005            60            60            60            60
Canon/EOS 40D/_MG_0154.CR2/threads:8/real_time_median                                         -0.0006         -0.0002            60            60            60            60
Canon/EOS 40D/_MG_0154.CR2/threads:8/real_time_stddev                                         -0.1467         -0.1390             0             0             0             0
Canon/EOS 77D/IMG_4049.CR2/threads:8/real_time_pvalue                                          0.0137          0.0137      U Test, Repetitions: 25 vs 25
Canon/EOS 77D/IMG_4049.CR2/threads:8/real_time_mean                                           +0.0002         +0.0002           275           275           275           275
Canon/EOS 77D/IMG_4049.CR2/threads:8/real_time_median                                         -0.0015         -0.0014           275           275           275           275
Canon/EOS 77D/IMG_4049.CR2/threads:8/real_time_stddev                                         +3.3687         +3.3587             0             2             0             2
Canon/PowerShot G1/crw_1693.crw/threads:8/real_time_pvalue                                     0.4041          0.3933      U Test, Repetitions: 25 vs 25
Canon/PowerShot G1/crw_1693.crw/threads:8/real_time_mean                                      +0.0004         +0.0004            67            67            67            67
Canon/PowerShot G1/crw_1693.crw/threads:8/real_time_median                                    -0.0000         -0.0000            67            67            67            67
Canon/PowerShot G1/crw_1693.crw/threads:8/real_time_stddev                                    +0.1947         +0.1995             0             0             0             0
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/real_time_pvalue                              0.0074          0.0001      U Test, Repetitions: 25 vs 25
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/real_time_mean                               -0.0092         +0.0074           547           542            25            25
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/real_time_median                             -0.0054         +0.0115           544           541            25            25
Fujifilm/GFX 50S/20170525_0037TEST.RAF/threads:8/real_time_stddev                             -0.4086         -0.3486             8             5             0             0
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/real_time_pvalue                                        0.3320          0.0000      U Test, Repetitions: 25 vs 25
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/real_time_mean                                         +0.0015         +0.0204           218           218            12            12
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/real_time_median                                       +0.0001         +0.0203           218           218            12            12
Fujifilm/X-Pro2/_DSF3051.RAF/threads:8/real_time_stddev                                       +0.2259         +0.2023             1             1             0             0
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/real_time_pvalue                                      0.0000          0.0001      U Test, Repetitions: 25 vs 25
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/real_time_mean                                       -0.0209         -0.0179            96            94            90            88
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/real_time_median                                     -0.0182         -0.0155            95            93            90            88
GoPro/HERO6 Black/GOPR9172.GPR/threads:8/real_time_stddev                                     -0.6164         -0.2703             2             1             2             1
Kodak/DCS Pro 14nx/D7465857.DCR/threads:8/real_time_pvalue                                     0.0000          0.0000      U Test, Repetitions: 25 vs 25
Kodak/DCS Pro 14nx/D7465857.DCR/threads:8/real_time_mean                                      -0.0098         -0.0098           176           175           176           175
Kodak/DCS Pro 14nx/D7465857.DCR/threads:8/real_time_median                                    -0.0126         -0.0126           176           174           176           174
Kodak/DCS Pro 14nx/D7465857.DCR/threads:8/real_time_stddev                                    +6.9789         +6.9157             0             2             0             2
Nikon/D850/Nikon-D850-14bit-lossless-compressed.NEF/threads:8/real_time_pvalue                 0.0000          0.0000      U Test, Repetitions: 25 vs 25
Nikon/D850/Nikon-D850-14bit-lossless-compressed.NEF/threads:8/real_time_mean                  -0.0237         -0.0238           474           463           474           463
Nikon/D850/Nikon-D850-14bit-lossless-compressed.NEF/threads:8/real_time_median                -0.0267         -0.0267           473           461           473           461
Nikon/D850/Nikon-D850-14bit-lossless-compressed.NEF/threads:8/real_time_stddev                +0.7179         +0.7178             3             5             3             5
Olympus/E-M1MarkII/Olympus_EM1mk2__HIRES_50MP.ORF/threads:8/real_time_pvalue                   0.6837          0.6554      U Test, Repetitions: 25 vs 25
Olympus/E-M1MarkII/Olympus_EM1mk2__HIRES_50MP.ORF/threads:8/real_time_mean                    -0.0014         -0.0013          1375          1373          1375          1373
Olympus/E-M1MarkII/Olympus_EM1mk2__HIRES_50MP.ORF/threads:8/real_time_median                  +0.0018         +0.0019          1371          1374          1371          1374
Olympus/E-M1MarkII/Olympus_EM1mk2__HIRES_50MP.ORF/threads:8/real_time_stddev                  -0.7457         -0.7382            11             3            10             3
Panasonic/DC-G9/P1000476.RW2/threads:8/real_time_pvalue                                        0.0000          0.0000      U Test, Repetitions: 25 vs 25
Panasonic/DC-G9/P1000476.RW2/threads:8/real_time_mean                                         -0.0080         -0.0289            22            22            10            10
Panasonic/DC-G9/P1000476.RW2/threads:8/real_time_median                                       -0.0070         -0.0287            22            22            10            10
Panasonic/DC-G9/P1000476.RW2/threads:8/real_time_stddev                                       +1.0977         +0.6614             0             0             0             0
Panasonic/DC-GH5/_T012014.RW2/threads:8/real_time_pvalue                                       0.0000          0.0000      U Test, Repetitions: 25 vs 25
Panasonic/DC-GH5/_T012014.RW2/threads:8/real_time_mean                                        +0.0132         +0.0967            35            36            10            11
Panasonic/DC-GH5/_T012014.RW2/threads:8/real_time_median                                      +0.0132         +0.0956            35            36            10            11
Panasonic/DC-GH5/_T012014.RW2/threads:8/real_time_stddev                                      -0.0407         -0.1695             0             0             0             0
Panasonic/DC-GH5S/P1022085.RW2/threads:8/real_time_pvalue                                      0.0000          0.0000      U Test, Repetitions: 25 vs 25
Panasonic/DC-GH5S/P1022085.RW2/threads:8/real_time_mean                                       +0.0331         +0.1307            13            13             6             6
Panasonic/DC-GH5S/P1022085.RW2/threads:8/real_time_median                                     +0.0430         +0.1373            12            13             6             6
Panasonic/DC-GH5S/P1022085.RW2/threads:8/real_time_stddev                                     -0.9006         -0.8847             1             0             0             0
Pentax/645Z/IMGP2837.PEF/threads:8/real_time_pvalue                                            0.0016          0.0010      U Test, Repetitions: 25 vs 25
Pentax/645Z/IMGP2837.PEF/threads:8/real_time_mean                                             -0.0023         -0.0024           395           394           395           394
Pentax/645Z/IMGP2837.PEF/threads:8/real_time_median                                           -0.0029         -0.0030           395           394           395           393
Pentax/645Z/IMGP2837.PEF/threads:8/real_time_stddev                                           -0.0275         -0.0375             1             1             1             1
Phase One/P65/CF027310.IIQ/threads:8/real_time_pvalue                                          0.0232          0.0000      U Test, Repetitions: 25 vs 25
Phase One/P65/CF027310.IIQ/threads:8/real_time_mean                                           -0.0047         +0.0039           114           113            28            28
Phase One/P65/CF027310.IIQ/threads:8/real_time_median                                         -0.0050         +0.0037           114           113            28            28
Phase One/P65/CF027310.IIQ/threads:8/real_time_stddev                                         -0.0599         -0.2683             1             1             0             0
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/real_time_pvalue                          0.0000          0.0000      U Test, Repetitions: 25 vs 25
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/real_time_mean                           +0.0206         +0.0207           405           414           405           414
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/real_time_median                         +0.0204         +0.0205           405           414           405           414
Samsung/NX1/2016-07-23-142101_sam_9364.srw/threads:8/real_time_stddev                         +0.2155         +0.2212             1             1             1             1
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/real_time_pvalue                         0.0000          0.0000      U Test, Repetitions: 25 vs 25
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/real_time_mean                          -0.0109         -0.0108           147           145           147           145
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/real_time_median                        -0.0104         -0.0103           147           145           147           145
Samsung/NX30/2015-03-07-163604_sam_7204.srw/threads:8/real_time_stddev                        -0.4919         -0.4800             0             0             0             0
Samsung/NX3000/_3184416.SRW/threads:8/real_time_pvalue                                         0.0000          0.0000      U Test, Repetitions: 25 vs 25
Samsung/NX3000/_3184416.SRW/threads:8/real_time_mean                                          -0.0149         -0.0147           220           217           220           217
Samsung/NX3000/_3184416.SRW/threads:8/real_time_median                                        -0.0173         -0.0169           221           217           220           217
Samsung/NX3000/_3184416.SRW/threads:8/real_time_stddev                                        +1.0337         +1.0341             1             3             1             3
Sony/DSLR-A350/DSC05472.ARW/threads:8/real_time_pvalue                                         0.0001          0.0001      U Test, Repetitions: 25 vs 25
Sony/DSLR-A350/DSC05472.ARW/threads:8/real_time_mean                                          -0.0019         -0.0019           194           193           194           193
Sony/DSLR-A350/DSC05472.ARW/threads:8/real_time_median                                        -0.0021         -0.0021           194           193           194           193
Sony/DSLR-A350/DSC05472.ARW/threads:8/real_time_stddev                                        -0.4441         -0.4282             0             0             0             0
Sony/ILCE-7RM2/14-bit-compressed.ARW/threads:8/real_time_pvalue                                0.0000          0.4263      U Test, Repetitions: 25 vs 25
Sony/ILCE-7RM2/14-bit-compressed.ARW/threads:8/real_time_mean                                 +0.0258         -0.0006            81            83            19            19
Sony/ILCE-7RM2/14-bit-compressed.ARW/threads:8/real_time_median                               +0.0235         -0.0011            81            82            19            19
Sony/ILCE-7RM2/14-bit-compressed.ARW/threads:8/real_time_stddev                               +0.1634         +0.1070             1             1             0             0
```
{F7443905}
If we look at the `_mean`s, the time column, the biggest win is `-7.7%` (`Canon/EOS 5D Mark II/10.canon.sraw2.cr2`),
and the biggest loose is `+3.3%` (`Panasonic/DC-GH5S/P1022085.RW2`);
Overall: mean `-0.7436%`, median `-0.23%`, `cbrt(sum(time^3))` = `-8.73%`
Looks good so far i'd say.

llvm-exegesis details:
{F7371117} {F7371125}
{F7371128} {F7371144} {F7371158}

Reviewers: craig.topper, RKSimon, andreadb, courbet, avt77, spatel, GGanesh

Reviewed By: andreadb

Subscribers: javed.absar, gbedwell, jfb, llvm-commits

Differential Revision: https://reviews.llvm.org/D52779

llvm-svn: 345463
2018-10-27 20:46:30 +00:00
Roman Lebedev a51921877a [NFC][X86] Baseline tests for AMD BdVer2 (Piledriver) Scheduler model
Adding the baseline tests in a preparatory NFC commit,
so that the actual commit shows the *diff*.

Yes, i'm aware that a few of these codegen-based sched tests
are testing wrong instructions, i will fix that afterwards.

For https://reviews.llvm.org/D52779

llvm-svn: 345462
2018-10-27 20:36:11 +00:00
Craig Topper 07889079fa [X89] Explicitly enable aes in aes-schedule.ll to fix failures after r341861.
llvm-svn: 341868
2018-09-10 21:49:01 +00:00
Simon Pilgrim 913345f8f5 [X86][AES] Ensure we're testing both non-VEX/VEX variants of AES instructions on AVX targets
Add skylake server tests as well

llvm-svn: 328424
2018-03-24 15:05:12 +00:00
Sanjoy Das 1074eb225b Reapply "[X86] Flag BroadWell scheduler model as complete"
This reverts commit r320508, in effect re-applying r320308.  Simon has already
reverted the parts that caused the crash that motivated the revert in r320492.

llvm-svn: 320512
2017-12-12 19:11:31 +00:00
Sanjoy Das 81a4a02cbc Revert "[X86] Flag BroadWell scheduler model as complete"
This reverts commit r320308.  r320308 crashes LLC, please see the llvm-commits
thread for a reproducer.

llvm-svn: 320508
2017-12-12 18:40:58 +00:00
Simon Pilgrim 1f8cfba0bb [X86] Flag BroadWell scheduler model as complete
Locally tag COPY as WriteMove, which has caused some reg-reg + reg-mem instruction tests to reorder.

llvm-svn: 320308
2017-12-10 13:49:51 +00:00
Gadi Haber 2cf601f28f [X86][Haswell]: Updating the scheduling information for the Haswell subtarget.
Updated the scheduling information for the Haswell subtarget with the following changes:

Regrouped the instructions after adding appropriate load + store latencies.
Added scheduling for missing instructions such as the GATHER instrs.
The changes were made after revisiting the latencies impact of all memory uOps.

Reviewers: RKSimon, zvi, craig.topper, apilipenko
Differential Revision: https://reviews.llvm.org/D40021

Change-Id: Iaf6c1f5169add1552845a8a566af4e5a359217a7
llvm-svn: 320137
2017-12-08 09:48:44 +00:00
Francis Visoiu Mistrih 25528d6de7 [CodeGen] Unify MBB reference format in both MIR and debug output
As part of the unification of the debug format and the MIR format, print
MBB references as '%bb.5'.

The MIR printer prints the IR name of a MBB only for block definitions.

* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g'
* find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g'
* find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g'
* grep -nr 'BB#' and fix

Differential Revision: https://reviews.llvm.org/D40422

llvm-svn: 319665
2017-12-04 17:18:51 +00:00
Gadi Haber 323f2e1715 [X86][Broadwell] Added the instruction scheduling information for the Broadwell CPU.
Adding the scheduling information for the Browadwell (BDW) CPU target.

This patch adds the instruction scheduling information for the Broadwell (BDW) architecture target by adding the file X86SchedBroadwell.td located under the X86 Target.
We used the scheduling information retrieved from the Broadwell architects in order to create the file.
The scheduling information includes latency, number of micro-Ops and used ports by each BDW instruction.

The patch continues the scheduling replacement and insertion effort started with the SandyBridge (SNB) target in r310792, the Haswell (HSW) target in r311879, the SkylakeClient (SKL) target in rL313613 + rL315978 and the SkylakeServer (SKX) in rL315175.

Performance fluctuations may be expected due to code alignment effects.

Reviewers: zvi, RKSimon, craig.topper
Differential Revision: https://reviews.llvm.org/D39054

Change-Id: If6f799e5ff60e1091c8d43b05ea78c53581bae01
llvm-svn: 316492
2017-10-24 20:19:47 +00:00
Gadi Haber 85d99b4310 [X86][Broadwell] Added the broadwell cpu to the scheduling regression tests.<NFC>
NFC.
Added the Broadwell cpu and the BROADWELL prefix to all the scheduling regression tests, as part of prepartion for a larger commit of adding all Broadwell scheduiling.

Reviewers: RKSimon, zvi, aaboud
Differential Revision: https://reviews.llvm.org/D38994

Change-Id: I54bc9065168844c107b1729fcdc1d311ce3ea0a9
llvm-svn: 315998
2017-10-17 13:45:39 +00:00
Gadi Haber 1e0f1f476a [X86][SKL] Updated scheduling information for the SkylakeClient target
Updated the scheduling information for the SkylakeClient target with the following changes:

1. regrouped the instructions after adding load and store latencies.
2. regrouped the instructions after adding identified missing ports in several groups.
The changes were made after revisiting the latencies impact of all the load and store uOps.

Reviewers: zvi, RKSimon, craig.topper
Differential Revision: https://reviews.llvm.org/D38727

Change-Id: I778a308cc11e490e8fa5e27e2047412a1dca029f
llvm-svn: 315978
2017-10-17 06:47:04 +00:00
Gadi Haber 6f8fbf4b86 [X86][Skylake] Adding the scheduling information for the SkylakeClient target
This patch adds the instruction scheduling information for the SkylakeClient (SKL) architecture target by adding the file X86SchedSkylakeClient.td located under the X86 Target.
We used the scheduling information retrieved from the Skylake architects in order to create the file.
The scheduling information includes latency, number of micro-Ops and used ports by each SKL instruction.
The patch continues the scheduling replacement and insertion effort started with the SNB target in r307529 and r310792 and for HSW in r311879.

Please expect some performance fluctuations due to code alignment effects.

Reviewers: craig.topper, zvi, chandlerc, igorb, aymanmus, RKSimon, delena
Differential Revision: https://reviews.llvm.org/D37294

llvm-svn: 313613
2017-09-19 06:19:27 +00:00
Ashutosh Nema bfcac0b480 AMD family 17h (znver1) scheduler model update.
Summary:
This patch enables the following:
1) Regex based Instruction itineraries for integer instructions.
2) The instructions are grouped as per the nature of the instructions
   (move, arithmetic, logic, Misc, Control Transfer). 
3) FP instructions and their itineraries are added which includes values
   for SSE4A, BMI, BMI2 and SHA instructions.

Patch by Ganesh Gopalasubramanian

Reviewers: RKSimon, craig.topper

Subscribers: vprasad, shivaram, ddibyend, andreadb, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D36617

llvm-svn: 312237
2017-08-31 12:38:35 +00:00
Gadi Haber 767d98bad8 [X86][Skylake] Fixing duplicated prefixes in the run command of Code Gen regression tests
NFC.
Replaced duplicated HASWELL prefixes in run commands in the X86 Code Gen regression tests by the SKYLAKE prefix when the -mcpu is set to skylake.
The fix is needed in preparation of an upcoming patch containing the Skylake scheduling info.

Reviewers: zvi, RKSimon, aymanmus, igorb

Differential Revision: https://reviews.llvm.org/D37258

llvm-svn: 312103
2017-08-30 08:08:50 +00:00
Gadi Haber d76f7b824e [X86][Haswell] Updating HSW instruction scheduling information
This patch completely replaces the instruction scheduling information for the Haswell architecture target by modifying the file X86SchedHaswell.td located under the X86 Target.
We used the scheduling information retrieved from the Haswell architects in order to replace and modify the existing scheduling.
The patch continues the scheduling replacement effort started with the SNB target in r307529 and r310792.
Information includes latency, number of micro-Ops and used ports by each HSW instruction.

Please expect some performance fluctuations due to code alignment effects.

Reviewers: RKSimon, zvi, aymanmus, craig.topper, m_zuckerman, igorb, dim, chandlerc, aaboud

Differential Revision: https://reviews.llvm.org/D36663

llvm-svn: 311879
2017-08-28 10:04:16 +00:00
Simon Pilgrim 358aeae7b8 [X86][AES] Add scheduling latency/throughput tests for AES instructions
llvm-svn: 311167
2017-08-18 15:26:51 +00:00