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artiq/benchmarks/rpc_timing.py

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from math import sqrt
from artiq import *
class RPCTiming(Experiment, AutoDB):
"""RPC timing"""
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class DBKeys:
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core = Device()
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repeats = Argument(100)
rpc_time_mean = Result()
rpc_time_stddev = Result()
def nop(self, x):
pass
@kernel
def bench(self):
self.ts = [0.0 for _ in range(self.repeats)]
for i in range(self.repeats):
t1 = self.core.get_rtio_time()
self.nop(10)
t2 = self.core.get_rtio_time()
self.ts[i] = float(t2.amount - t1.amount)
def run(self):
self.bench()
mean = sum(self.ts)/self.repeats
self.rpc_time_stddev = sqrt(
sum([(t - mean)**2 for t in self.ts])/self.repeats)*s
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self.rpc_time_mean = mean*s