I hereby claim:
- I am pushrax on github.
- I am pushrax (https://keybase.io/pushrax) on keybase.
- I have a public key whose fingerprint is E1F4 5158 16CF 7C2A 189B 816C 33B7 1578 9EE9 E9DC
To claim this, I am signing this object:
| # frozen_string_literal: true | |
| require 'memory_profiler' | |
| def assert_equal(a, b) | |
| puts "#{a} != #{b} at #{caller.last}" if a != b | |
| end | |
| def assert(allocated_memsize: nil, allocated_objects: nil) | |
| report = MemoryProfiler.report { yield } |
| require 'benchmark_driver' | |
| require 'memory_profiler' | |
| def assert_equal(a, b); raise "#{a} != #{b}" if a != b; end | |
| report = MemoryProfiler.report { [:a, :b].include?(:a) } | |
| assert_equal 1, report.total_allocated | |
| Benchmark.driver do |x| | |
| x.prelude(<<~RUBY) |
| require 'benchmark_driver' | |
| require 'memory_profiler' | |
| def assert_equal(a, b); raise "#{a} != #{b}" if a != b; end | |
| # Great! | |
| a = 1 | |
| report = MemoryProfiler.report { [a, 2].max } | |
| assert_equal 0, report.total_allocated |
| // gcc -O2 function_call_overhead.c | |
| #include <stdio.h> | |
| #include <inttypes.h> | |
| #define concat_lower_uint32(high, low) (high = (high << 32) | low); | |
| int __attribute__ ((noinline)) foo() { | |
| return 42; | |
| } |
| void aabbIntersectFast(vec3 P, vec3 R, vec3 invR, vec3 aabb[2], out float tmin, out float tmax) | |
| { | |
| vec3 t1 = (aabb[0] - P) * invR; | |
| vec3 t2 = (aabb[1] - P) * invR; | |
| vec3 tmins = min(t1, t2); | |
| vec3 tmaxs = max(t1, t2); | |
| tmin = max(max(tmins.x, tmins.y), tmins.z); | |
| tmax = min(min(tmaxs.x, tmaxs.y), tmaxs.z); | |
| } |
| #!/bin/sh | |
| readelf -x .text $1 | sed '1,2d' | cut -d ' ' -f 4,5,6,7 | sed 's/ //g' | sed 's/\(..\)/\\x\1/g' | tr -d '\n' |
| directories="include src" | |
| revs=$(git rev-list --all | awk '{printf "%s\n%s ", $0, $0}' | sed '1d' | sed '$d') | |
| echo "$revs" \ | |
| | xargs -n2 -L1 bash -c "git --no-pager diff \$1 \$0 --shortstat -- $directories" \ | |
| | awk '{adds+=$4; dels+=$6} END {print adds " insertions"; print dels " deletions"}' |
I hereby claim:
To claim this, I am signing this object:
| #!/bin/bash | |
| DATE=`date +%Y-%m-%d.%H%M%S` | |
| echo "Starting MySQL dump for replication $DATE" | |
| mysqldump -u root -p --single-transaction --master-data --databases my_app --verbose | gzip -c > "mysql.master.$DATE.sql.gz" | |
| echo "Dump complete" |
| replaceCurrentRoute: (params) -> | |
| params = Batman.extend({}, params) | |
| # ... | |
| currentPageParams = @routableParams(params) # loads some more data (controller and action) | |
| # ... | |
| path = Shopify.get('dispatcher').pathFromParams(currentPageParams) | |
| return unless path |