fix: remove thread_num

Author: SpringMT

benchmarks/multi_thread_comporess.rb

@@ -4,6 +4,7 @@
 require 'objspace'
 require 'zstd-ruby'
 require 'thread'
+require "zstds"
 
 GUESSES = (ENV['GUESSES'] || 1000).to_i
 THREADS = (ENV['THREADS'] || 1).to_i
@@ -14,19 +15,14 @@
 json_string = File.read("./samples/#{sample_file_name}")
 
 queue = Queue.new
-# queue = []
 GUESSES.times { queue << json_string }
-# stream = Zstd::StreamingCompress.new(thread_num: THREADS)
 THREADS.times { queue << nil }
 THREADS.times.map {
   Thread.new {
     while str = queue.pop
-      # stream = Zstd::StreamingCompress.new(thread_num: THREADS)
-      #stream << str
-      #stream << str
-      #stream << str
-      #stream.flush
-      Zstd.compress(str, thread_num: 1)
+      stream = Zstd::StreamingCompress.new
+      stream << str
+      stream.finish
     end
   }
 }.each(&:join)

ext/zstdruby/common.h

@@ -43,12 +43,11 @@ static size_t zstd_compress(ZSTD_CCtx* const ctx, ZSTD_outBuffer* output, ZSTD_i
 
 static void set_compress_params(ZSTD_CCtx* const ctx, VALUE level_from_args, VALUE kwargs)
 {
-  ID kwargs_keys[3];
+  ID kwargs_keys[2];
   kwargs_keys[0] = rb_intern("level");
   kwargs_keys[1] = rb_intern("dict");
-  kwargs_keys[2] = rb_intern("thread_num");
-  VALUE kwargs_values[3];
-  rb_get_kwargs(kwargs, kwargs_keys, 0, 3, kwargs_values);
+  VALUE kwargs_values[2];
+  rb_get_kwargs(kwargs, kwargs_keys, 0, 2, kwargs_values);
 
   int compression_level = ZSTD_CLEVEL_DEFAULT;
   if (kwargs_values[0] != Qundef && kwargs_values[0] != Qnil) {
@@ -68,15 +67,6 @@ static void set_compress_params(ZSTD_CCtx* const ctx, VALUE level_from_args, VAL
       rb_raise(rb_eRuntimeError, "%s", "ZSTD_CCtx_loadDictionary failed");
     }
   }
-
-  if (kwargs_values[2] != Qundef && kwargs_values[2] != Qnil) {
-    int thread_num = NUM2INT(kwargs_values[2]);
-    size_t const r = ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, thread_num);
-    if (ZSTD_isError(r)) {
-      rb_warn("Note: the linked libzstd library doesn't support multithreading.Reverting to single-thread mode. \n");
-    }
-    // ZSTD_CCtx_setParameter(ctx, ZSTD_c_jobSize, thread_num);
-  }
 }
 
 static void set_decompress_params(ZSTD_DCtx* const dctx, VALUE kwargs)

ext/zstdruby/extconf.rb

@@ -2,7 +2,7 @@
 
 have_func('rb_gc_mark_movable')
 
-$CFLAGS = '-I. -O3 -std=c99 -DZSTD_STATIC_LINKING_ONLY -DZSTD_MULTITHREAD -pthread'
+$CFLAGS = '-I. -O3 -std=c99 -DZSTD_STATIC_LINKING_ONLY -DZSTD_MULTITHREAD -pthread -DDEBUGLEVEL=0'
 $CPPFLAGS += " -fdeclspec" if CONFIG['CXX'] =~ /clang/
 
 Dir.chdir File.expand_path('..', __FILE__) do