vtjnash

This was too good to pass up https://youtu.be/xUP3cSKb8sI?t=28m53s (besides, I'd already done this 2.5 years ago, but it wasn't quite complete enough to show anyone).

time = CCall{:time, :libc, Ptr{Void}, Tuple{Ptr{Void},}}()
time(C_NULL)

immutable CCall{Name, Lib, R, A} end
@generated function call{Name,Lib,R,A}(::CFunction{Name,Lib,R,A}, args...)

vtjnash

mainmem.backing = "swap" # disable swapping
MemTrimRate = "0" # disable returning unused memory to the host
sched.mem.pshare.enable = "FALSE" # disable page sharing
prefvmx.useRecommendedLockedMemSize = "TRUE" # force memory to be pre-allocated on host
scsi0.virtualDev = "pvscsi" # fasted disk i/o subsystem (requires driver off pvscsi.flp floppy disk image)
scsi0:0.virtualSSD = 1 # if running off an SSD

## also, preallocate the VMDK disks

vtjnash

#!./julia -f

const n = parse(Int, ARGS[1])

times = Float64[]
for i in 1:n
    push!(times, @elapsed begin
        f = symbol("f$i")
        @eval $f() = $i
        @eval $f()

vtjnash

#include <stdint.h>
#include <stdio.h>
#include <inttypes.h>
#include <string.h>

__attribute__((noinline)) int footest0();
__attribute__((noinline)) int footest1();

int (*ppfootest[1])() = {&footest0};
int foo;

vtjnash

commit bcfd1decff490724e5c3d6e700c29b7d4b33ebe7
Author: kshyatt <[email protected]>
Date:   Thu Jul 7 18:34:16 2016 -0700

    Split bitarray up into multiple files to help w/ timeout

~/julia/build-llvm37/test$ JULIA_CPU_CORES=2 make 
    JULIA build-llvm37/test/all
	From worker 3:	     * strings/util         
	From worker 2:	     * strings/search       

vtjnash

Apply the below patch to mbedtls.
Reconfigure with `cmake -D CMAKE_BUILD_TYPE=Debug .` (in the scratch build directory).
Rebuild / reinstall.
Enable debugging with `ccall((:mbedtls_debug_set_threshold, :libmbedtls), Void, (Cint,), 4)`.

diff -rup mbedtls-2.3.0-gpl/library/debug.c mbedtls-2.3.0-gpl-debug/library/debug.c
--- mbedtls-2.3.0-gpl/library/debug.c	2016-06-28 08:42:05.000000000 -0400
+++ mbedtls-2.3.0-gpl-debug/library/debug.c	2016-10-24 15:52:33.152253092 -0400
@@ -59,6 +59,11 @@ void mbedtls_debug_set_threshold( int th
     debug_threshold = threshold;

vtjnash

cd scripts && ./runvagrant.sh
./summary.sh 0.*AL/*.json > master.summary
./summary.sh 0.*MZ/*.json > branch.summary
mkdir gist && cd gist
diff -u0 ../master.summary ../branch.summary > 00comparison.diff
cp $(grep tests_fail 00comparison.diff | grep ^+ | cut -c2- | cut -d' ' -f1 | xargs -i find ../0.*MZ -name {}) .

--- ../master.summary	2016-11-07 22:46:37.258892998 -0500
+++ ../branch.summary	2016-11-07 22:47:01.626763797 -0500
@@ -9 +9 @@

vtjnash

cd scripts && ./runvagrant.sh
./summary.sh 0.*AL/*.json > master.summary
./summary.sh 0.*MZ/*.json > branch.summary
mkdir gist && cd gist
diff -u0 ../master.summary ../branch.summary > 00comparison.diff
cp $(grep tests_fail 00comparison.diff | grep ^+ | cut -c2- | cut -d' ' -f1 | xargs -i find ../0.*MZ -name {}) .
ls *.json | xargs -i bash -c 'sed "s/\\\\n/\\n/g" < {} | less'

--- ../master.summary	2016-11-21 11:04:15.840254891 -0500
+++ ../branch.summary	2016-11-21 11:04:28.948186659 -0500

vtjnash

diff --git a/src/interpreter.c b/src/interpreter.c
index 5c89505..d84191d9 100644
--- a/src/interpreter.c
+++ b/src/interpreter.c
@@ -246,6 +246,10 @@ static jl_value_t *eval(jl_value_t *e, interpreter_state *s)
     }
     else if (ex->head == method_sym) {
         jl_sym_t *fname = (jl_sym_t*)args[0];
+        if (jl_is_globalref(fname)) {
+            modu = jl_globalref_mod(fname);

vtjnash

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <pthread.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <string.h>
#include <sys/time.h>