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| author | Guoqi Chen <chenguoqi@loongson.cn> | 2024-09-03 10:04:02 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-09-12 17:06:28 +0000 |
| commit | 8efb5ebfd02a8e5cb6c79c5cd0e093fe896e6347 (patch) | |
| tree | de02d2090ae1666730ecfdd74c8d93f32cf7619d /src | |
| parent | 7a5fc9b34deb8d9fe22c9d060a5839827344fcc2 (diff) | |
| download | go-8efb5ebfd02a8e5cb6c79c5cd0e093fe896e6347.tar.xz | |
runtime: switch cputicks and switchToCrashStack0 on loong64 to regabi
goos: linux
goarch: loong64
pkg: runtime
cpu: Loongson-3A6000 @ 2500.00MHz
| old.bench | new.bench |
| sec/op | sec/op vs base |
SelectUncontended 246.6n ± 0% 247.4n ± 0% +0.32% (p=0.000 n=10)
SelectSyncContended 1.458µ ± 0% 1.461µ ± 0% +0.17% (p=0.000 n=10)
SelectAsyncContended 246.6n ± 0% 247.5n ± 0% +0.36% (p=0.000 n=10)
SelectNonblock 32.81n ± 0% 32.81n ± 0% ~ (p=1.000 n=10)
SelectProdCons 653.8n ± 0% 652.2n ± 0% -0.24% (p=0.010 n=10)
GoroutineSelect 2.204m ± 0% 2.172m ± 0% -1.46% (p=0.000 n=10)
GoroutineForRange 1.775m ± 0% 1.748m ± 0% -1.54% (p=0.000 n=10)
geomean 3.573µ 3.561µ -0.34%
Change-Id: I6337cad72369e77e378b6e9bec6521d71b3f4fc5
Reviewed-on: https://go-review.googlesource.com/c/go/+/610175
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Tim King <taking@google.com>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: Tim King <taking@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/asm_loong64.s | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/runtime/asm_loong64.s b/src/runtime/asm_loong64.s index c6e46f5f69..7391fb1338 100644 --- a/src/runtime/asm_loong64.s +++ b/src/runtime/asm_loong64.s @@ -91,9 +91,8 @@ TEXT runtime·mstart(SB),NOSPLIT|TOPFRAME,$0 RET // not reached // func cputicks() int64 -TEXT runtime·cputicks(SB),NOSPLIT,$0-8 +TEXT runtime·cputicks<ABIInternal>(SB),NOSPLIT,$0-8 RDTIMED R0, R4 - MOVV R4, ret+0(FP) RET /* @@ -213,19 +212,19 @@ noswitch: JMP (R4) // func switchToCrashStack0(fn func()) -TEXT runtime·switchToCrashStack0(SB), NOSPLIT, $0-8 - MOVV fn+0(FP), REGCTXT // context register - MOVV g_m(g), R4 // curm +TEXT runtime·switchToCrashStack0<ABIInternal>(SB),NOSPLIT,$0-8 + MOVV R4, REGCTXT // context register + MOVV g_m(g), R5 // curm // set g to gcrash MOVV $runtime·gcrash(SB), g // g = &gcrash JAL runtime·save_g(SB) - MOVV R4, g_m(g) // g.m = curm - MOVV g, m_g0(R4) // curm.g0 = g + MOVV R5, g_m(g) // g.m = curm + MOVV g, m_g0(R5) // curm.g0 = g // switch to crashstack - MOVV (g_stack+stack_hi)(g), R4 - ADDV $(-4*8), R4, R3 + MOVV (g_stack+stack_hi)(g), R5 + ADDV $(-4*8), R5, R3 // call target function MOVV 0(REGCTXT), R6 |