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Comparing compile time and run time performance of Crystal on Windows and Linux. The sample program is https://github.com/crystal-lang/crystal/blob/b7f3f102fd68fcf9fe4f074513c9e374ec98b492/samples/havlak.cr

Both binaries are built and executed on the same system via WSL (this might cause a little bias, but WSL2 performance is very comparative between Windows and Linux). Hardware is a XPS 9710 with i7 11800H.

;TLDR: Compiler performance is very similar, except for LLVM codegen where Windows has the edge (this is probably due to the newer LLVM version). Runtime performance

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Using /home/linuxbrew/.linuxbrew/bin/llvm-config [version= 13.0.0]
In src/compiler/crystal/program.cr:45:69

 45 | getter splat_expansions : Hash(Def, Type) = ({} of Def => Type).compare_by_identity
                                                                      ^------------------
Error: instantiating 'Hash(Crystal::Def, Crystal::Type)#compare_by_identity()'


In src/hash.cr:976:5

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{
    "IndexDocument": {
        "Suffix": "index.html"
    },
    "ErrorDocument": {
        "Key": "api/1.2.2/404.html"
    },
    "RoutingRules": [
        {
            "Condition": {

straight-shoota

The following table shows all shards known to https://shardbox.org which have a executables defined in their latest release.

Date: 2024-01-31

executables	postinstall	repo
walter	CRFLAGS=--release make build && (mkdir -p ../../bin; cp bin/walter ../../bin)	github:gtramontina/walter.cr
protoc-gen-crystal	shards build	github:jeromegn/protobuf.cr
mssh		github:tbrand/mssh
miniss		github:noraj/miniss

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diff --git c/src/compiler/crystal/repl/context.cr w/src/compiler/crystal/repl/context.cr
index 1cceb2c45..3451a87d0 100644
--- c/src/compiler/crystal/repl/context.cr
+++ w/src/compiler/crystal/repl/context.cr
@@ -471,8 +472,14 @@ class Crystal::Repl::Context

     return unless path && name

-    # TODO: obviously support other platforms than darwin
-    lib_path = File.join(path, "lib#{name}.dylib")

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# Foo class for foo.
#
# # Bar methods
# Bar methods to bary things.
#
# * bar
# * bar?
#
# # Baz methods
# Baz methods to bazy things.

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# These are the invalid syntax comments extracted from crystal master (at 152e390fb1368fafd5c3d6028f46ee149f0f216a)
# /src/** files using the code from https://github.com/crystal-lang/crystal/pull/8851
# src/hash.cr
{}
{}
# src/regex.cr
Regex::MatchData("tal")
{}
Regex::MatchData("Skiing")
Regex::MatchData("sledding")

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struct Range

  # Iterates over the elements of this range, passing each in turn to the block.
  #
  # ```
  # (10..15).each { |n| print n, ' ' }
  # # prints: 10 11 12 13 14 15
  # ```
  def each : Nil
    {% if B == Nil %}

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E, [2020-04-10T15:38:08.902789000Z #14627]   ERROR -- crystal-run-test_ssl_server.tmp:http.server: Error while connecting a new socket -- OpenSSL::SSL::Error: SSL_accept: I/O error
E, [2020-04-10T15:38:09.113485000Z #14627]   ERROR -- crystal-run-test_ssl_server.tmp:http.server: Error while connecting a new socket -- OpenSSL::SSL::Error: SSL_accept: error:1408F10B:SSL routines:ssl3_get_record:wrong version number
E, [2020-04-10T15:38:09.323018000Z #14627]   ERROR -- crystal-run-test_ssl_server.tmp:http.server: Error while connecting a new socket -- OpenSSL::SSL::Error: SSL_accept: error:1408F10B:SSL routines:ssl3_get_record:wrong version number
E, [2020-04-10T15:38:10.649837000Z #14627]   ERROR -- crystal-run-test_ssl_server.tmp:http.server: Error while connecting a new socket -- OpenSSL::SSL::Error: SSL_accept: error:1408F10B:SSL routines:ssl3_get_record:wrong version number
E, [2020-04-10T15:38:10.717875000Z #14627]   ERROR -- crystal-run-test_ssl_server.tmp:http.server: Error while connecting a new socket

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No engine or GOST support via engine with your /usr/bin/openssl

###########################################################
    testssl.sh       3.1dev from https://testssl.sh/dev/
    (c90bd84fe 2020-04-09 13:59:35 -- )

      This program is free software. Distribution and
             modification under GPLv2 permitted.
      USAGE w/o ANY WARRANTY. USE IT AT YOUR OWN RISK!