constantine/benchmarks/platforms.nim
Mamy Ratsimbazafy a2a2495351
Github Action CI (without GMP) (#29)
* Github Action CI (without GMP)

* Deactivate MacOS, spurious failures: https://github.com/actions/virtual-environments/issues/841

* force install with nimble

* Add badge

* Don"t include Nim 1.2.x https://github.com/mratsim/constantine/pull/20#issuecomment-646327952

* Action branch mistake

* Add back OSX? https://github.com/actions/virtual-environments/issues/841, https://github.com/actions/virtual-environments/issues/969

* fix MacOS target

* comment out RDTSC on i386

* Add initialization canaries

* Add more verbose output to debug windows failures

* spurious windows i386 test

* For now only activate Linux and mac

* missed include
2020-06-19 22:08:15 +02:00

31 lines
1.1 KiB
Nim

# Constantine
# Copyright (c) 2018-2019 Status Research & Development GmbH
# Copyright (c) 2020-Present Mamy André-Ratsimbazafy
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at http://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at http://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
when defined(amd64): # TODO defined(i386) but it seems lie RDTSC call is misconfigured
import platforms/x86
export getTicks, cpuName
const SupportsCPUName* = true
const SupportsGetTicks* = true
else:
const SupportsCPUName* = false
const SupportsGetTicks* = false
# Prevent compiler optimizing benchmark away
# -----------------------------------------------
# This doesn't always work unfortunately ...
proc volatilize(x: ptr byte) {.codegenDecl: "$# $#(char const volatile *x)", inline.} =
discard
template preventOptimAway*[T](x: var T) =
volatilize(cast[ptr byte](unsafeAddr x))
template preventOptimAway*[T](x: T) =
volatilize(cast[ptr byte](x))