Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,610
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     207,120
Calibration 2     199,981
Calibration 3     198,855
ssj_ops@calibrated=199,418
100% 99.6% 199,418 198,610
90% 90.0% 179,476 179,448
80% 80.0% 159,534 159,443
70% 69.5% 139,593 138,556
60% 60.3% 119,651 120,332
50% 50.3% 99,709 100,406
40% 40.6% 79,767 80,879
30% 30.2% 59,825 60,211
20% 19.9% 39,884 39,730
10% 10.0% 19,942 19,863
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,066,539 1,494
Payment 15,066,542
Order Status 1,506,653
Delivery 1,506,654
Stock Level 1,506,654
Customer Report 15,066,546
Calibration 2 New Order 14,545,742 1,494
Payment 14,545,735
Order Status 1,454,575
Delivery 1,454,575
Stock Level 1,454,576
Customer Report 14,545,738
Calibration 3 New Order 14,464,102 1,494
Payment 14,464,104
Order Status 1,446,410
Delivery 1,446,411
Stock Level 1,446,411
Customer Report 14,464,102
100% 99.6% New Order 14,445,287 1,494
Payment 14,445,292
Order Status 1,444,529
Delivery 1,444,529
Stock Level 1,444,528
Customer Report 14,445,294
90% 90.0% New Order 13,050,966 1,494
Payment 13,050,972
Order Status 1,305,095
Delivery 1,305,097
Stock Level 1,305,097
Customer Report 13,050,970
80% 80.0% New Order 11,596,729 1,494
Payment 11,596,730
Order Status 1,159,673
Delivery 1,159,673
Stock Level 1,159,673
Customer Report 11,596,732
70% 69.5% New Order 10,076,832 1,494
Payment 10,076,830
Order Status 1,007,685
Delivery 1,007,684
Stock Level 1,007,684
Customer Report 10,076,825
60% 60.3% New Order 8,751,495 1,494
Payment 8,751,491
Order Status 875,150
Delivery 875,148
Stock Level 875,150
Customer Report 8,751,491
50% 50.3% New Order 7,302,414 1,494
Payment 7,302,413
Order Status 730,241
Delivery 730,242
Stock Level 730,241
Customer Report 7,302,416
40% 40.6% New Order 5,882,128 1,494
Payment 5,882,127
Order Status 588,213
Delivery 588,212
Stock Level 588,212
Customer Report 5,882,121
30% 30.2% New Order 4,379,394 1,494
Payment 4,379,394
Order Status 437,939
Delivery 437,938
Stock Level 437,939
Customer Report 4,379,391
20% 19.9% New Order 2,889,483 1,494
Payment 2,889,482
Order Status 288,948
Delivery 288,949
Stock Level 288,949
Customer Report 2,889,483
10% 10.0% New Order 1,444,608 1,494
Payment 1,444,606
Order Status 144,461
Delivery 144,462
Stock Level 144,461
Customer Report 1,444,607
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0