Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,939
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     202,762
Calibration 2     200,519
Calibration 3     200,096
ssj_ops@calibrated=200,308
100% 99.8% 200,308 199,939
90% 89.6% 180,277 179,561
80% 80.0% 160,246 160,197
70% 69.9% 140,215 140,028
60% 60.3% 120,185 120,817
50% 49.7% 100,154 99,622
40% 40.2% 80,123 80,466
30% 29.8% 60,092 59,786
20% 20.1% 40,062 40,252
10% 10.2% 20,031 20,347
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,750,384 1,494
Payment 14,750,383
Order Status 1,475,038
Delivery 1,475,039
Stock Level 1,475,039
Customer Report 14,750,387
Calibration 2 New Order 14,583,947 1,494
Payment 14,583,945
Order Status 1,458,395
Delivery 1,458,394
Stock Level 1,458,395
Customer Report 14,583,945
Calibration 3 New Order 14,554,103 1,494
Payment 14,554,097
Order Status 1,455,410
Delivery 1,455,409
Stock Level 1,455,409
Customer Report 14,554,102
100% 99.8% New Order 14,542,619 1,494
Payment 14,542,623
Order Status 1,454,262
Delivery 1,454,262
Stock Level 1,454,263
Customer Report 14,542,620
90% 89.6% New Order 13,059,071 1,494
Payment 13,059,066
Order Status 1,305,907
Delivery 1,305,906
Stock Level 1,305,906
Customer Report 13,059,068
80% 80.0% New Order 11,651,628 1,494
Payment 11,651,619
Order Status 1,165,161
Delivery 1,165,162
Stock Level 1,165,162
Customer Report 11,651,620
70% 69.9% New Order 10,184,828 1,494
Payment 10,184,833
Order Status 1,018,483
Delivery 1,018,483
Stock Level 1,018,484
Customer Report 10,184,831
60% 60.3% New Order 8,786,968 1,494
Payment 8,786,975
Order Status 878,697
Delivery 878,698
Stock Level 878,696
Customer Report 8,786,966
50% 49.7% New Order 7,245,565 1,494
Payment 7,245,564
Order Status 724,557
Delivery 724,557
Stock Level 724,558
Customer Report 7,245,566
40% 40.2% New Order 5,852,148 1,494
Payment 5,852,142
Order Status 585,215
Delivery 585,216
Stock Level 585,215
Customer Report 5,852,148
30% 29.8% New Order 4,348,339 1,494
Payment 4,348,344
Order Status 434,834
Delivery 434,834
Stock Level 434,834
Customer Report 4,348,344
20% 20.1% New Order 2,927,514 1,494
Payment 2,927,515
Order Status 292,751
Delivery 292,751
Stock Level 292,752
Customer Report 2,927,519
10% 10.2% New Order 1,479,854 1,494
Payment 1,479,861
Order Status 147,986
Delivery 147,986
Stock Level 147,985
Customer Report 1,479,857
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0