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gc tweaking to gain a few percent of performance

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This commit is contained in:
Araq 2011-05-07 22:13:24 +02:00
commit 73c3551766
13 changed files with 183 additions and 153 deletions
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53
lib/system/cgprocs.nim
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@ -23,28 +23,39 @@ proc nimLoadLibraryError(path: string) {.compilerproc, noinline.}
proc setStackBottom(theStackBottom: pointer) {.compilerRtl, noinline.}
# Support for thread local storage:
when false:
when defined(windows):
proc TlsAlloc(): int32 {.importc: "TlsAlloc", stdcall, dynlib: "kernel32".}
proc TlsSetValue(dwTlsIndex: int32, lpTlsValue: pointer) {.
importc: "TlsSetValue", stdcall, dynlib: "kernel32".}
proc TlsGetValue(dwTlsIndex: int32): pointer {.
importc: "TlsGetValue", stdcall, dynlib: "kernel32".}
else:
type
Tpthread_key {.importc: "pthread_key_t", header: "<sys/types.h>".} = int
when defined(windows):
type
TThreadVarSlot {.compilerproc.} = distinct int32
proc pthread_getspecific(a1: Tpthread_key): pointer {.
importc: "pthread_getspecific", header: "<pthread.h>".}
proc pthread_key_create(a1: ptr Tpthread_key,
a2: proc (x: pointer) {.noconv.}): int32 {.
importc: "pthread_key_create", header: "<pthread.h>".}
proc pthread_key_delete(a1: Tpthread_key): int32 {.
importc: "pthread_key_delete", header: "<pthread.h>".}
proc TlsAlloc(): TThreadVarSlot {.
importc: "TlsAlloc", stdcall, dynlib: "kernel32".}
proc TlsSetValue(dwTlsIndex: TThreadVarSlot, lpTlsValue: pointer) {.
importc: "TlsSetValue", stdcall, dynlib: "kernel32".}
proc TlsGetValue(dwTlsIndex: TThreadVarSlot): pointer {.
importc: "TlsGetValue", stdcall, dynlib: "kernel32".}
proc ThreadVarAlloc(): TThreadVarSlot {.compilerproc, inline.} =
result = TlsAlloc()
proc ThreadVarSetValue(s: TThreadVarSlot, value: pointer) {.compilerproc.} =
TlsSetValue(s, value)
proc ThreadVarGetValue(s: TThreadVarSlot): pointer {.compilerproc.} =
result = TlsGetValue(s)
else:
type
Tpthread_key {.importc: "pthread_key_t",
header: "<sys/types.h>".} = distinct int
TThreadVarSlot {.compilerproc.} = Tpthread_key
proc pthread_setspecific(a1: Tpthread_key, a2: pointer): int32 {.
importc: "pthread_setspecific", header: "<pthread.h>".}
proc pthread_getspecific(a1: Tpthread_key): pointer {.
importc: "pthread_getspecific", header: "<pthread.h>".}
proc pthread_key_create(a1: ptr Tpthread_key,
destruct: proc (x: pointer) {.noconv.}): int32 {.
importc: "pthread_key_create", header: "<pthread.h>".}
proc pthread_key_delete(a1: Tpthread_key): int32 {.
importc: "pthread_key_delete", header: "<pthread.h>".}
proc pthread_setspecific(a1: Tpthread_key, a2: pointer): int32 {.
importc: "pthread_setspecific", header: "<pthread.h>".}