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WebAssembly module caching

This commit is contained in:
Steven Hugg 2018-07-09 23:44:17 -05:00
parent bbe665bb03
commit a208f19efe
1 changed files with 38 additions and 11 deletions
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49
src/worker/workermain.js
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@ -1,5 +1,32 @@
"use strict";
// WebAssembly module cache
// TODO: leaks memory even when disabled...
var _WASM_module_cache = {};
var CACHE_WASM_MODULES = ENVIRONMENT_IS_WORKER;
function getWASMModule(module_id) {
var module = _WASM_module_cache[module_id];
if (!module) {
starttime();
module = new WebAssembly.Module(wasmBlob[module_id]);
if (CACHE_WASM_MODULES) {
_WASM_module_cache[module_id] = module;
delete wasmBlob[module_id];
}
endtime("module creation " + module_id);
}
return module;
}
// function for use with instantiateWasm
function moduleInstFn(module_id) {
return function(imports,ri) {
var mod = getWASMModule(module_id);
var inst = new WebAssembly.Instance(mod, imports);
ri(inst);
return inst.exports;
}
}
var PLATFORM_PARAMS = {
'mw8080bw': {
code_start: 0x0,
@ -124,9 +151,9 @@ var document = noop();
document.documentElement = noop();
document.documentElement.style = noop();
var _t1, _t2;
var _t1;
function starttime() { _t1 = new Date(); }
function endtime(msg) { _t2 = new Date(); console.log(msg, _t2.getTime() - _t1.getTime(), "ms"); }
function endtime(msg) { var _t2 = new Date(); console.log(msg, _t2.getTime() - _t1.getTime(), "ms"); }
/// working file store and build steps
@ -276,7 +303,7 @@ function loadWASM(modulename, debug) {
xhr.open("GET", "wasm/"+modulename+".wasm", false); // synchronous request
xhr.send(null);
if (xhr.response) {
wasmBlob[modulename] = xhr.response; //new Uint8Array(xhr.response);
wasmBlob[modulename] = new Uint8Array(xhr.response);
console.log("Loaded " + modulename + ".wasm");
loaded[modulename] = 1;
} else {
@ -578,7 +605,7 @@ function assembleCA65(step) {
if (staleFiles(step, [objpath, lstpath])) {
var objout, lstout;
var CA65 = ca65({
wasmBinary: wasmBlob['ca65'],
instantiateWasm: moduleInstFn('ca65'),
noInitialRun:true,
//logReadFiles:true,
print:print_fn,
@ -612,7 +639,7 @@ function linkLD65(step) {
var errors = [];
var errmsg = '';
var LD65 = ld65({
wasmBinary: wasmBlob['ld65'],
instantiateWasm: moduleInstFn('ld65'),
noInitialRun:true,
//logReadFiles:true,
print:print_fn,
@ -777,7 +804,7 @@ function assembleSDASZ80(step) {
}
}
var ASZ80 = sdasz80({
wasmBinary: wasmBlob['sdasz80'],
instantiateWasm: moduleInstFn('sdasz80'),
noInitialRun:true,
//logReadFiles:true,
print:match_asm_fn,
@ -822,7 +849,7 @@ function linkSDLDZ80(step)
}
var params = step.params;
var LDZ80 = sdldz80({
wasmBinary: wasmBlob['sdldz80'],
instantiateWasm: moduleInstFn('sdldz80'),
noInitialRun:true,
//logReadFiles:true,
print:match_aslink_fn,
@ -899,12 +926,12 @@ function compileSDCC(step) {
var params = step.params;
loadNative('sdcc');
var SDCC = sdcc({
wasmBinary: wasmBlob['sdcc'],
instantiateWasm: moduleInstFn('sdcc'),
noInitialRun:true,
noFSInit:true,
print:print_fn,
printErr:msvcErrorMatcher(errors),
TOTAL_MEMORY:256*1024*1024,
//TOTAL_MEMORY:256*1024*1024,
});
var FS = SDCC['FS'];
populateFiles(step, FS);
@ -1128,7 +1155,7 @@ function compileVerilator(step) {
code = compileInlineASM(code, platform, step, errors, asmlines);
var match_fn = makeErrorMatcher(errors, /%(.+?): (.+?:)?(\d+)?[:]?\s*(.+)/i, 3, 4);
var verilator_mod = verilator_bin({
wasmBinary:wasmBlob['verilator_bin'],
instantiateWasm: moduleInstFn('verilator_bin'),
noInitialRun:true,
print:print_fn,
printErr:match_fn,
@ -1182,7 +1209,7 @@ function compileYosys(step) {
var match_fn = makeErrorMatcher(errors, /ERROR: (.+?) in line (.+?[.]v):(\d+)[: ]+(.+)/i, 3, 4);
starttime();
var yosys_mod = yosys({
wasmBinary:wasmBlob['yosys'],
instantiateWasm: moduleInstFn('yosys'),
noInitialRun:true,
print:print_fn,
printErr:match_fn,