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Xiaolin Zhao 91d07ac71c cmd/compile: inline constant sized memclrNoHeapPointers calls on loong64 
Tested that on loong64, the optimization effect is negative for
constant size cases greater than 512.
So only enable inlining for constant size cases less than 512.

goos: linux
goarch: loong64
pkg: runtime
cpu: Loongson-3A6000 @ 2500.00MHz
                      |  bench.old   |              bench.new               |
                      |    sec/op    |    sec/op     vs base                |
MemclrKnownSize1        2.4070n ± 0%   0.4004n ± 0%  -83.37% (p=0.000 n=20)
MemclrKnownSize2        2.1365n ± 0%   0.4004n ± 0%  -81.26% (p=0.000 n=20)
MemclrKnownSize4        2.4445n ± 0%   0.4004n ± 0%  -83.62% (p=0.000 n=20)
MemclrKnownSize8        2.4200n ± 0%   0.4004n ± 0%  -83.45% (p=0.000 n=20)
MemclrKnownSize16       2.8030n ± 0%   0.8007n ± 0%  -71.43% (p=0.000 n=20)
MemclrKnownSize32        2.803n ± 0%    1.602n ± 0%  -42.85% (p=0.000 n=20)
MemclrKnownSize64        3.250n ± 0%    2.402n ± 0%  -26.08% (p=0.000 n=20)
MemclrKnownSize112       6.006n ± 0%    2.819n ± 0%  -53.06% (p=0.000 n=20)
MemclrKnownSize128       6.006n ± 0%    3.240n ± 0%  -46.05% (p=0.000 n=20)
MemclrKnownSize192       6.807n ± 0%    5.205n ± 0%  -23.53% (p=0.000 n=20)
MemclrKnownSize248       7.608n ± 0%    6.301n ± 0%  -17.19% (p=0.000 n=20)
MemclrKnownSize256       7.608n ± 0%    6.707n ± 0%  -11.84% (p=0.000 n=20)
MemclrKnownSize512       13.61n ± 0%    13.61n ± 0%        ~ (p=0.374 n=20)
MemclrKnownSize1024      26.43n ± 0%    26.43n ± 0%        ~ (p=0.826 n=20)
MemclrKnownSize4096      103.3n ± 0%    103.3n ± 0%        ~ (p=1.000 n=20)
MemclrKnownSize512KiB    26.29µ ± 0%    26.29µ ± 0%   -0.00% (p=0.012 n=20)
geomean                  10.05n         5.006n       -50.18%

                      |  bench.old   |               bench.new                |
                      |     B/s      |      B/s       vs base                 |
MemclrKnownSize1        396.2Mi ± 0%   2381.9Mi ± 0%  +501.21% (p=0.000 n=20)
MemclrKnownSize2        892.8Mi ± 0%   4764.0Mi ± 0%  +433.59% (p=0.000 n=20)
MemclrKnownSize4        1.524Gi ± 0%    9.305Gi ± 0%  +510.56% (p=0.000 n=20)
MemclrKnownSize8        3.079Gi ± 0%   18.609Gi ± 0%  +504.42% (p=0.000 n=20)
MemclrKnownSize16       5.316Gi ± 0%   18.609Gi ± 0%  +250.05% (p=0.000 n=20)
MemclrKnownSize32       10.63Gi ± 0%    18.61Gi ± 0%   +75.00% (p=0.000 n=20)
MemclrKnownSize64       18.34Gi ± 0%    24.81Gi ± 0%   +35.27% (p=0.000 n=20)
MemclrKnownSize112      17.37Gi ± 0%    37.01Gi ± 0%  +113.08% (p=0.000 n=20)
MemclrKnownSize128      19.85Gi ± 0%    36.80Gi ± 0%   +85.39% (p=0.000 n=20)
MemclrKnownSize192      26.27Gi ± 0%    34.35Gi ± 0%   +30.77% (p=0.000 n=20)
MemclrKnownSize248      30.36Gi ± 0%    36.66Gi ± 0%   +20.75% (p=0.000 n=20)
MemclrKnownSize256      31.34Gi ± 0%    35.55Gi ± 0%   +13.43% (p=0.000 n=20)
MemclrKnownSize512      35.02Gi ± 0%    35.03Gi ± 0%    +0.00% (p=0.030 n=20)
MemclrKnownSize1024     36.09Gi ± 0%    36.09Gi ± 0%         ~ (p=0.101 n=20)
MemclrKnownSize4096     36.93Gi ± 0%    36.93Gi ± 0%    +0.00% (p=0.003 n=20)
MemclrKnownSize512KiB   18.57Gi ± 0%    18.57Gi ± 0%    +0.00% (p=0.041 n=20)
geomean                 10.13Gi         20.33Gi       +100.72%

Change-Id: I460a56f7ccc9f820ca2c1934c1c517b9614809ac
Reviewed-on: https://go-review.googlesource.com/c/go/+/621355
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Pratt <mpratt@google.com>
2024-10-24 08:55:31 +00:00
..
abi
alias3.dir
arenas
asmhdr.dir
chan
closure3.dir cmd/compile: add "deadlocals" pass to remove unused locals 2024-07-30 15:46:27 +00:00
closure5.dir
codegen cmd/compile: inline constant sized memclrNoHeapPointers calls on loong64 2024-10-24 08:55:31 +00:00
ddd2.dir
dwarf
fixedbugs go/types, types2: qualify named types in error messages with type kind 2024-10-23 04:43:01 +00:00
import2.dir
import4.dir
interface
internal/runtime/sys runtime: move getcallersp to internal/runtime/sys 2024-09-17 17:01:20 +00:00
intrinsic.dir runtime,internal: move runtime/internal/sys to internal/runtime/sys 2024-07-23 19:05:35 +00:00
ken
linkname.dir
linknameasm.dir cmd/compile: generate args_stackmap for ABI0 assembly func regardless of linkname 2024-06-07 15:22:22 +00:00
method4.dir
retjmp.dir
stress test/stress: fix typo in comment 2024-03-25 19:21:35 +00:00
syntax
typeparam cmd/compile: export/import materialized aliases 2024-04-05 16:29:58 +00:00
uintptrescapes.dir
64bit.go
235.go
alg.go
alias1.go
alias2.go go/types, types2: qualify named types in error messages with type kind 2024-10-23 04:43:01 +00:00
alias3.go
alias.go
align.go
append1.go
append.go
args.go
armimm.go
asmhdr.go
assign1.go
assign.go
atomicload.go
bigalg.go
bigmap.go
blank1.go
blank.go
bom.go
bombad.go
bounds.go
cannotassign.go
chancap.go
chanlinear.go
char_lit1.go
char_lit.go
checkbce.go cmd/compile: rewrite the constant parts of the prove pass 2024-08-07 16:07:33 +00:00
clear.go
clearfat.go
closedchan.go
closure1.go
closure2.go
closure3.go
closure4.go
closure5.go
closure6.go
closure7.go
closure.go
cmp6.go
cmp.go
cmplx.go
cmplxdivide1.go
cmplxdivide.c
cmplxdivide.go
complit1.go
complit.go
compos.go
const1.go
const2.go
const3.go
const4.go
const5.go
const6.go
const7.go
const8.go
const.go
convert1.go
convert2.go
convert3.go
convert4.go
convert.go
convinline.go
convlit1.go
convlit.go
convT2X.go
copy1.go
copy.go
crlf.go
ddd1.go
ddd2.go
ddd.go
decl.go
declbad.go
defer.go
defererrcheck.go test: add open-coded defer tests for too many exits path 2024-07-29 14:30:07 +00:00
deferfin.go
defernil.go
deferprint.go
deferprint.out
devirt.go
directive2.go
directive.go
divide.go
divmod.go
embedfunc.go
embedvers.go
empty.go
env.go
eof1.go
eof.go
escape2.go
escape2n.go
escape3.go
escape4.go cmd/compile: retire "IsHiddenClosure" and "IsDeadcodeClosure" 2024-07-22 21:27:37 +00:00
escape5.go
escape_array.go
escape_calls.go
escape_closure.go cmd/compile: retire "IsHiddenClosure" and "IsDeadcodeClosure" 2024-07-22 21:27:37 +00:00
escape_field.go
escape_goto.go
escape_hash_maphash.go
escape_iface.go
escape_indir.go
escape_level.go
escape_map.go
escape_mutations.go
escape_param.go
escape_reflect.go reflect: remove calling mapiterkey, mapiterelem 2024-09-18 20:57:20 +00:00
escape_runtime_atomic.go runtime: migrate internal/atomic to internal/runtime 2024-03-25 19:53:03 +00:00
escape_selfassign.go
escape_slice.go
escape_struct_param1.go
escape_struct_param2.go
escape_struct_return.go
escape_sync_atomic.go
escape_unsafe.go
escape.go
fibo.go
finprofiled.go
float_lit2.go
float_lit3.go
float_lit.go
floatcmp.go
for.go
func1.go
func2.go
func3.go go/parser, syntax: better error message for parameter missing type 2024-09-30 22:04:40 +00:00
func4.go
func5.go
func6.go
func7.go
func8.go
func.go
funcdup2.go
funcdup.go
fuse.go cmd/compile: handle boolean and pointer relations 2024-08-07 16:07:55 +00:00
gc1.go
gc2.go
gc.go
gcgort.go
gcstring.go
goprint.go
goprint.out
goto.go
heapsampling.go
helloworld.go
helloworld.out
if.go
import1.go
import2.go
import4.go
import5.go
import6.go
import.go
index0.go
index1.go
index2.go
index.go
indirect1.go
indirect.go
init1.go
init.go
initcomma.go
initexp.go
initialize.go
initializerr.go
initloop.go go/types: improve recursive type error message 2024-10-22 22:20:29 +00:00
inline_big.go
inline_caller.go
inline_callers.go
inline_endian.go
inline_literal.go
inline_math_bits_rotate.go
inline_sync.go
inline_variadic.go
inline.go cmd/compile: add "deadlocals" pass to remove unused locals 2024-07-30 15:46:27 +00:00
int_lit.go
intcvt.go
intrinsic_atomic.go
intrinsic.go
iota.go
label1.go
label.go
linkmain_run.go
linkmain.go
linkname3.go cmd/compile: disallow linkname referring to instantiations 2024-05-15 19:27:25 +00:00
linkname.go
linknameasm.go cmd/compile: generate args_stackmap for ABI0 assembly func regardless of linkname 2024-06-07 15:22:22 +00:00
linkobj.go
linkx_run.go
linkx.go
literal2.go
literal.go
live1.go
live2.go cmd/compile,internal/runtime/maps: add extendible hashing 2024-10-21 14:16:20 +00:00
live_noswiss.go test: split non-regabi stack map test 2024-10-21 20:54:57 +00:00
live_regabi_noswiss.go all: wire up swisstable maps 2024-10-14 19:58:47 +00:00
live_regabi_swiss.go cmd/compile,internal/runtime/maps: add extendible hashing 2024-10-21 14:16:20 +00:00
live_regabi.go all: wire up swisstable maps 2024-10-14 19:58:47 +00:00
live_swiss.go test: split non-regabi stack map test 2024-10-21 20:54:57 +00:00
live_uintptrkeepalive.go
live.go test: split non-regabi stack map test 2024-10-21 20:54:57 +00:00
loopbce.go cmd/compile: rewrite the constant parts of the prove pass 2024-08-07 16:07:33 +00:00
mainsig.go
makechan.go all: fix some comments 2024-04-04 14:29:45 +00:00
makemap.go
makenew.go
makeslice.go
mallocfin.go
map1.go
map.go
mapclear.go
maplinear.go
maymorestack.go
mergemul.go
method1.go
method2.go
method3.go
method4.go
method5.go
method6.go
method7.go
method.go
named1.go
named.go
newinline.go cmd/compile: add "deadlocals" pass to remove unused locals 2024-07-30 15:46:27 +00:00
nil.go
nilcheck.go
nilptr2.go
nilptr3.go
nilptr4.go
nilptr5_aix.go
nilptr5_wasm.go
nilptr5.go
nilptr_aix.go
nilptr.go
noinit.go
nosplit.go
nowritebarrier.go
nul1.go
opt_branchlikely.go
parentype.go
peano.go
phiopt.go
print.go
print.out
printbig.go
printbig.out
prove_constant_folding.go cmd/compile: rewrite the constant parts of the prove pass 2024-08-07 16:07:33 +00:00
prove_invert_loop_with_unused_iterators.go
prove.go cmd/compile: compute Negation's limits from argument's limits 2024-09-03 21:12:20 +00:00
range2.go
range3.go
range4.go
range.go
rangegen.go
README.md
recover1.go
recover2.go
recover3.go
recover4.go
recover5.go
recover.go
reflectmethod1.go
reflectmethod2.go
reflectmethod3.go
reflectmethod4.go
reflectmethod5.go
reflectmethod6.go
reflectmethod7.go
reflectmethod8.go
rename1.go
rename.go
reorder2.go
reorder.go
retjmp.go
return.go
rotate0.go
rotate1.go
rotate2.go
rotate3.go
rotate.go
rune.go
runtime.go
shift1.go
shift2.go
shift3.go
sieve.go
sigchld.go
sigchld.out
simassign.go
sizeof.go
slice3.go
slice3err.go
slicecap.go
sliceopt.go
solitaire.go
stack.go
stackobj2.go
stackobj3.go
stackobj.go
strcopy.go
strength.go
string_lit.go
stringrange.go
struct0.go
switch2.go
switch3.go
switch4.go
switch5.go
switch6.go
switch7.go
switch.go
tailcall.go cmd/compile: emit tail call wrappers when possible 2024-09-09 20:20:10 +00:00
tighten.go
tinyfin.go
torture.go
turing.go
typecheck.go
typecheckloop.go
typeswitch1.go
typeswitch2.go
typeswitch2b.go
typeswitch3.go
typeswitch.go
uintptrescapes2.go
uintptrescapes3.go
uintptrescapes.go
uintptrkeepalive.go
undef.go
unsafe_slice_data.go
unsafe_string_data.go
unsafe_string.go
unsafebuiltins.go
used.go
utf.go
varerr.go
varinit.go
wasmexport2.go cmd/compile: correct wasmexport result type checking 2024-09-11 20:01:21 +00:00
wasmexport.go cmd/compile: add basic wasmexport support 2024-08-09 20:07:54 +00:00
winbatch.go
writebarrier.go
zerodivide.go
zerosize.go

README.md

The test directory contains tests of the Go tool chain and runtime. It includes black box tests, regression tests, and error output tests. They are run as part of all.bash.

To run just these tests, execute:

../bin/go test cmd/internal/testdir

To run just tests from specified files in this directory, execute:

../bin/go test cmd/internal/testdir -run='Test/(file1.go|file2.go|...)'

Standard library tests should be written as regular Go tests in the appropriate package.

The tool chain and runtime also have regular Go tests in their packages. The main reasons to add a new test to this directory are:

  • it is most naturally expressed using the test runner; or
  • it is also applicable to gccgo and other Go tool chains.