import numpy as np
from sklearn.metrics import average_precision_score
def chance_level_ap(n_all, n_positive, trials=1000):
return np.mean([
average_precision_score([1] * n_positive + [0] * (n_all - n_positive), np.random.permutation(n_all))
for _ in range(trials)])
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# Copyright 2016, Takuya Akiba | |
# All rights reserved. | |
# | |
# Redistribution and use in source and binary forms, with or without | |
# modification, are permitted provided that the following conditions are | |
# met: | |
# | |
# * Redistributions of source code must retain the above copyright | |
# notice, this list of conditions and the following disclaimer. | |
# * Redistributions in binary form must reproduce the above |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import chainermn | |
from chainermn.communicators._memory_utility import array_to_buffer_object | |
import mpi4py.MPI | |
comm = chainermn.create_communicator('naive') | |
def alltoall_demo(xp): | |
mpi_comm = comm.mpi_comm |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
from chainer.training import extension | |
import signal | |
class LearningRateSignalHandler(extension.Extension): | |
trigger = 1, 'epoch' | |
def __init__(self, attr='lr', rate=0.1, signalnum=signal.SIGUSR1, optimizer=None): | |
self.attr = attr |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
class RangeWithTimeout(object): | |
def __init__(self, n=None, timeout_seconds=None): | |
self.n = n | |
self.timeout_seconds = timeout_seconds | |
self.i = 0 | |
def __iter__(self): | |
self.start_datetime = datetime.datetime.now() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/usr/bin/env python | |
import itertools | |
import sys | |
import os | |
import subprocess | |
import jinja2 | |
def enumerate_combinations(**params): |
Sorry, something went wrong. Reload?
Sorry, we cannot display this file.
Sorry, this file is invalid so it cannot be displayed.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
set -e | |
TARGET_DIR="$(dirname $(readlink -m $0))/.local" | |
WORKING_DIR="/tmp/" | |
LIBJPEG_VERSION="1.5.3" | |
OPENCV_VERSION="3.4.1" | |
eval "$(pyenv init -)" | |
PYENV_VERSION=$(pyenv version | cut -f 1 -d ' ') |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
use crate::*; | |
mod normal_distribution { | |
const S2PI: f64 = 2.50662827463100050242E0; | |
// https://github.com/scipy/scipy/blob/v1.5.4/scipy/special/cephes/ndtri.c | |
const P0: [f64; 5] = [ | |
-5.99633501014107895267E1, | |
9.80010754185999661536E1, | |
-5.66762857469070293439E1, |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import it.unimi.dsi.fastutil.ints.IntArrayFIFOQueue; | |
import it.unimi.dsi.fastutil.ints.IntArrays; | |
import it.unimi.dsi.logging.ProgressLogger; | |
import it.unimi.dsi.webgraph.GraphClassParser; | |
import it.unimi.dsi.webgraph.ImmutableGraph; | |
import it.unimi.dsi.webgraph.LazyIntIterator; | |
import java.io.*; | |
import java.util.*; |